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Bridge Statistics for Butte-Silver Bow, Montana (MT)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 146Number of bridges
  • 1,578ft / 481mTotal length
  • $13,087,000Total costs
  • 628,861Total average daily traffic
  • 78,589Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Butte-Silver Bow
  • No street view available for this location

New bridges in Butte-Silver Bow, MT - historical statistics
  • New bridges - historical statistics
  • 11910-1919
  • 11930-1939
  • 101950-1959
  • 621960-1969
  • 501970-1979
  • 41980-1989
  • 11990-1999
  • 52000-2009
  • 122010-2019
Reconstructed bridges in Butte-Silver Bow, MT - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11980-1989
  • 21990-1999
  • 22000-2009
  • 32010-2019
Average Bridge Daily Traffic in Butte-Silver Bow, MT
Average Bridge Truck Traffic in Butte-Silver Bow, MT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 1.1%Very good
  • 36.4%Good
  • 52.3%Satisfactory
  • 9.1%Fair
  • 1.1%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 8.0%Very good
  • 54.5%Good
  • 31.8%Satisfactory
  • 5.7%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 3.4%Very good
  • 31.8%Good
  • 47.7%Satisfactory
  • 17.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 48.4%Very good
  • 38.7%Good
  • 6.5%Satisfactory
  • 6.5%Fair
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Structure Number: I00015134+00392,  Location: 3.1M N BUTTE (Lat: 46.041092,  Lng: -112.454508),  Route carried "on" structure: Interstate 15,  Year Built: 1976,  Status: Open,  Structure Length: 4.51m (14.80ft),  Average Daily Traffic: 3,356 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 3,541 (year 2040),  Design Load: HS 20,  Features Intersected: INT WOODVILLE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 215.797,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.3m (76.4ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 35.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete
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Structure Number: I00015136+07921,  Location: 6.2M N BUTTE (Lat: 46.077006,  Lng: -112.429350),  Route carried "on" structure: Interstate 15,  Year Built: 1976,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 2,601 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 2,744 (year 2040),  Design Load: HS 20,  Features Intersected: SEP SAWMILL GULCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 220.369,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 33.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 25.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00015136+07922,  Location: 6.2M N BUTTE (Lat: 46.077028,  Lng: -112.429789),  Route carried "on" structure: Interstate 15,  Year Built: 1976,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 2,601 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 2,744 (year 2040),  Design Load: HS 20,  Features Intersected: SEP SAWMILL GULCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 220.242,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 33.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 25.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00015138+06601,  Location: 8M N BUTTE (Lat: 46.102192,  Lng: -112.415425),  Route carried "on" structure: Interstate 15,  Year Built: 1976,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 2,601 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 2,744 (year 2040),  Design Load: HS 20,  Features Intersected: INT TRASK-LOWLAND RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 223.369,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 33.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00015138+06602,  Location: 8M N BUTTE (Lat: 46.102306,  Lng: -112.415800),  Route carried "on" structure: Interstate 15,  Year Built: 1976,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 2,601 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 2,744 (year 2040),  Design Load: HS 20,  Features Intersected: INT TRASK-LOWLAND RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 223.253,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 31.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090216+06721,  Location: 3.1M W ROCKER (Lat: 46.009919,  Lng: -112.689433),  Route carried "on" structure: Interstate 90,  Year Built: 1967,  Status: Open,  Structure Length: 4.82m (15.81ft),  Average Daily Traffic: 12,919 (year 2020),  Truck Traffic: 14%,  Average Future Daily Traffic: 13,888 (year 2040),  Design Load: HS 20,  Features Intersected: SEP LAIRD ST-FRONTAGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 345.124,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.2m (56.4ft),  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 78.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090216+06722,  Location: 3.1M W ROCKER (Lat: 46.010203,  Lng: -112.689444),  Route carried "on" structure: Interstate 90,  Year Built: 1967,  Status: Open,  Structure Length: 4.82m (15.81ft),  Average Daily Traffic: 12,919 (year 2020),  Truck Traffic: 14%,  Average Future Daily Traffic: 13,888 (year 2040),  Design Load: HS 20,  Features Intersected: SEP LAIRD ST-FRONTAGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 345.255,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 13.1m (43.0ft),  Out-to-Out Width: 13.8m (45.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 73.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: I00090219+01691,  Location: 1.2M W ROCKER (Lat: 46.008028,  Lng: -112.638339),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 9.23m (30.28ft),  Average Daily Traffic: 12,317 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 13,241 (year 2040),  Design Load: HS 20,  Features Intersected: INT NISSLER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 349.113,  Lanes on structure: 2,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 29.7m (97.4ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.3m (40.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 83.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090219+01692,  Location: 1.2M W ROCKER (Lat: 46.008319,  Lng: -112.638117),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 8.93m (29.30ft),  Average Daily Traffic: 12,317 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 13,241 (year 2040),  Design Load: HS 20,  Features Intersected: INT NISSLER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 349.267,  Lanes on structure: 2,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 29.7m (97.4ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.4m (40.7ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090227+04551,  Location: BUTTE (Lat: 45.979819,  Lng: -112.480156),  Route carried "on" structure: Interstate 90,  Year Built: 1963,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 5.88m (19.29ft),  Average Daily Traffic: 9,241 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 9,703 (year 2040),  Design Load: HS 20,  Features Intersected: INT I-15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 362.497,  Lanes on structure: 2,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 23.2m (76.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090227+04552,  Location: BUTTE (Lat: 45.979950,  Lng: -112.479989),  Route carried "on" structure: Interstate 90,  Year Built: 1963,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 5.91m (19.39ft),  Average Daily Traffic: 9,241 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 9,703 (year 2040),  Design Load: HS 20,  Features Intersected: INT I 15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 362.668,  Lanes on structure: 2,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 23.2m (76.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00115000+02471,  Location: 0.6M W BUTTE (Lat: 46.003347,  Lng: -112.569128),  Route carried "on" structure: Spur Interstate 115,  Year Built: 1964,  Status: Closed,  Structure Length: 7.43m (24.38ft),  Average Daily Traffic: 4,058 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 4,261 (year 2040),  Design Load: HS 20,  Features Intersected: SEP I 15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.361,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.6m (61.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 59.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.50m (27.89ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: October 2020,  Critical Feature Inspection Date: October 2020,  Other Special Inspection Date: April 2021,  Bridge Improvement Cost: $460,000,  Roadway Improvement Cost: $230,000,  Total Project Cost: $690,000,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00115001+01871,  Location: BUTTE (Lat: 46.003447,  Lng: -112.550242),  Route carried "on" structure: Spur Interstate 115,  Year Built: 1955,  Status: Open,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 4,058 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 4,261 (year 2040),  Design Load: HL 93,  Features Intersected: EXCELSIOR AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.914,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.6m (28.2ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00115001+01872,  Location: BUTTE (Lat: 46.003572,  Lng: -112.550133),  Route carried "on" structure: Spur Interstate 115,  Year Built: 1955,  Status: Open,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 4,058 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 4,261 (year 2040),  Design Load: HL 93,  Features Intersected: EXCELSIOR AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.876,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.6m (28.2ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 10.9m (35.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.80m (19.03ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $332,000,  Roadway Improvement Cost: $166,000,  Total Project Cost: $498,000,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L01040000+04001,  Location: MELROSE (Lat: 45.622150,  Lng: -112.690425),  Route carried "on" structure: County highway 1040,  Year Built: 1973,  Status: Open,  Structure Length: 2.93m (9.61ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BIG HOLE OVERFLOW 055,  Facility Carried by Structure: TRAPPER CR RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.923,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 5.4m (17.7ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L22119000+01001,  Location: HOMESTAKE PASS (Lat: 45.919472,  Lng: -112.411883),  Route carried "on" structure: ServiceCounty highway 22119,  Year Built: 1966,  Status: Open,  Structure Length: 7.04m (23.10ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 15,  Features Intersected: INT HOMESTAKE-I 90 005,  Facility Carried by Structure: HOMESTAKE PASS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.490,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.1m (65.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47001000+02001,  Location: 3M W ROCKER (Lat: 46.005069,  Lng: -112.661861),  Route carried "on" structure: County highway 47001,  Year Built: 2006,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: SILVER BOW CREEK 014,  Facility Carried by Structure: SILVER BOW RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.439,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 3.88m (12.73ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $93,000,  Roadway Improvement Cost: $19,000,  Total Project Cost: $117,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L47017000+01001,  Location: 3M W DIVIDE (Lat: 45.759717,  Lng: -112.801653),  Route carried "on" structure: ServiceCounty highway 47017,  Year Built: 1914,  Year Reconstructed: 2015,  Status: Posted for load,  Structure Length: 7.07m (23.20ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: BIG HOLE RIVER 009,  Facility Carried by Structure: PUMPHOUSE RD
Minimum Vertical Clearance: 4.54m (14.90ft),  Kilometerpoint: 0.130,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.1m (13.5ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 1,  Length of Maximum Span: 47.2m (154.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.1m (13.5ft),  Out-to-Out Width: 4.8m (15.7ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 31.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 8.00m (26.25ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Critical Feature Inspection Date: July 2020,  Bridge Improvement Cost: $332,000,  Roadway Improvement Cost: $166,000,  Total Project Cost: $498,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L47026000+02001,  Location: W MELROSE (Lat: 45.626764,  Lng: -112.687153),  Route carried "on" structure: County highway 47026,  Year Built: 2001,  Status: Open,  Structure Length: 6.70m (21.98ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HL 93,  Features Intersected: BIG HOLE RIVER 008,  Facility Carried by Structure: TRAPPER CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.320,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 33.3m (109.3ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 66.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47193000+04001,  Location: 3M W ROCKER (Lat: 46.009869,  Lng: -112.683936),  Route carried "on" structure: ServiceCounty highway 47193,  Year Built: 1967,  Status: Open,  Structure Length: 8.06m (26.44ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 15,  Features Intersected: INT RAMSEY I 90 013,  Facility Carried by Structure: PALMER ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.191,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.1m (75.8ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 68.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47207000+01001,  Location: SE ROCKER (Lat: 46.001489,  Lng: -112.602283),  Route carried "on" structure: County highway 47207,  Year Built: 1987,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: SILVER BOW CREEK 007,  Facility Carried by Structure: S ROCKER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.209,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 8.3m (27.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 49.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L47426000+01001,  Location: BUTTE-BURLINGTON ST (Lat: 45.974911,  Lng: -112.476353),  Route carried "on" structure: ServiceCounty highway 47608,  Year Built: 1964,  Status: Open,  Structure Length: 7.75m (25.43ft),  Average Daily Traffic: 533 (year 2020),  Average Future Daily Traffic: 560 (year 2040),  Design Load: HS 15,  Features Intersected: SEP I 90 006,  Facility Carried by Structure: BURLINGTON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.266,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.6m (70.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 28.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47518000+00011,  Location: 9M NE DIVIDE (Lat: 45.871219,  Lng: -112.673325),  Route carried "on" structure: ServiceCounty highway 47518,  Year Built: 1976,  Status: Open,  Structure Length: 8.68m (28.48ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: INT FEELY I 15 001,  Facility Carried by Structure: DIVIDE CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.151,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 9.6m (31.5ft),  Out-to-Out Width: 11.4m (37.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 19.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47528008+08001,  Location: 2M W RAMSEY (Lat: 46.012611,  Lng: -112.726078),  Route carried "on" structure: County highway 47528,  Year Built: 2007,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: SILVER BOW CREEK 010,  Facility Carried by Structure: MILES CROSSING
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.363,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.5m (14.8ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 4.5m (14.8ft),  Out-to-Out Width: 4.5m (14.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 1.03m (3.38ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Bridge Improvement Cost: $24,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $30,000,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: L47534000+00101,  Location: 2M SW ROCKER (Lat: 45.994650,  Lng: -112.654453),  Route carried "on" structure: ServiceCounty highway 47534,  Year Built: 1961,  Status: Open,  Structure Length: 6.40m (21.00ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: INT VICTOR I 15 003,  Facility Carried by Structure: GERMAN GULCH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.090,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 62.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 49.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47534000+06001,  Location: W SILVERBOW (Lat: 45.996731,  Lng: -112.662558),  Route carried "on" structure: County highway 47534,  Year Built: 2014,  Status: Open,  Structure Length: 8.73m (28.64ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HL 93,  Features Intersected: RR 012,  Facility Carried by Structure: GERMAN GULCH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.767,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.8m (38.7ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 34.1m (111.9ft),  Curb-To-Curb Width: 10.8m (35.4ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L47538000+04001,  Location: 3M N MELROSE (Lat: 45.666083,  Lng: -112.678861),  Route carried "on" structure: ServiceCounty highway 47538,  Year Built: 1973,  Status: Open,  Structure Length: 8.59m (28.18ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: SEP SOAP CRK RD I 15 005,  Facility Carried by Structure: SOAP GULCH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.142,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 30.5m (100.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47586000+01001,  Location: W SIDE BUTTE (Lat: 45.999244,  Lng: -112.560981),  Route carried "on" structure: ServiceCounty highway 47586,  Year Built: 1955,  Status: Open,  Structure Length: 4.95m (16.24ft),  Average Daily Traffic: 1,486 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,560 (year 2040),  Design Load: HS 20,  Features Intersected: RR 015,  Facility Carried by Structure: CENTENNIAL AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.096,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.3m (66.6ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 37.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: October 2020,  Other Special Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L47588000+02001,  Location: BUTTE-MT HIGHLAND DR (Lat: 45.960756,  Lng: -112.471806),  Route carried "on" structure: ServiceState highway 47422,  Year Built: 1969,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 8.99m (29.49ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 15,  Features Intersected: INT CONT DR I 90 011,  Facility Carried by Structure: MT HIGHLAND DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.017,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 29.3m (96.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 38.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 20.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: M47018000+00011,  Location: BUTTE-LEXINGTON AVE (Lat: 45.991506,  Lng: -112.529108),  Route carried "on" structure: ServiceCity street 47018,  Year Built: 1960,  Status: Open,  Structure Length: 6.82m (22.38ft),  Average Daily Traffic: 3,809 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 3,999 (year 2040),  Design Load: HS 20,  Features Intersected: SEP LEXINGTON ST 016,  Facility Carried by Structure: LEXINGTON AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.865,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 38.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: M47018000+00021,  Location: BUTTE-OREGON AVE (Lat: 45.988253,  Lng: -112.520819),  Route carried "on" structure: ServiceCity street 47018,  Year Built: 1960,  Status: Open,  Structure Length: 6.84m (22.44ft),  Average Daily Traffic: 1,126 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,182 (year 2040),  Design Load: HS 20,  Features Intersected: SEP OREGON STREET 017,  Facility Carried by Structure: OREGON AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.945,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.7m (61.4ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 38.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: M47018000+00031,  Location: BUTTE-SHERIDAN AVE (Lat: 45.980917,  Lng: -112.492564),  Route carried "on" structure: ServiceCity street 47018,  Year Built: 1960,  Status: Open,  Structure Length: 6.37m (20.90ft),  Average Daily Traffic: 1,823 (year 2020),  Average Future Daily Traffic: 1,914 (year 2040),  Design Load: H 20,  Features Intersected: SEP SHERIDAN ST I 15 002,  Facility Carried by Structure: SHERIDAN AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.610,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 16.8m (55.1ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 41.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 31.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: M47018000+00401,  Location: BUTTE-N MONTANA ST (Lat: 46.018125,  Lng: -112.540061),  Route carried "on" structure: City street 47018,  Year Built: 1962,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: WALKING PATH 004,  Facility Carried by Structure: N MONTANA ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.882,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.9m (19.4ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 17.2m (56.4ft),  Out-to-Out Width: 18.1m (59.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 21.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: P00029059+08921,  Location: 6M N SILVERSTAR (Lat: 45.769558,  Lng: -112.234589),  Route carried "on" structure: State highway 41,  Year Built: 1934,  Status: Open,  Structure Length: 1.72m (5.64ft),  Average Daily Traffic: 381 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 400 (year 2040),  Design Load: H 15,  Features Intersected: FISH CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 96.230,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 4 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.7m (18.7ft),  Curb-To-Curb Width: 6.3m (20.7ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.40m (7.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $74,000,  Roadway Improvement Cost: $37,000,  Total Project Cost: $111,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: P00046058+00321,  Location: 7M NW WISE RIVER (Lat: 45.850758,  Lng: -113.068886),  Route carried "on" structure: State highway 43,  Year Built: 1960,  Status: Open,  Structure Length: 9.90m (32.48ft),  Average Daily Traffic: 346 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 375 (year 2040),  Design Load: HS 20,  Features Intersected: BIG HOLE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 93.108,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 38.1m (125.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 28.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: October 2020,  Underwater Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: P00046064+09971,  Location: WISE RIVER (Lat: 45.792214,  Lng: -112.955297),  Route carried "on" structure: State highway 43,  Year Built: 1970,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 604 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 655 (year 2040),  Design Load: HS 20,  Features Intersected: SMART CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 104.300,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 39.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: P00046065+01201,  Location: WISE RIVER (Lat: 45.791436,  Lng: -112.951856),  Route carried "on" structure: State highway 43,  Year Built: 1970,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 604 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 655 (year 2040),  Design Load: HS 20,  Features Intersected: WISE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 104.587,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.9m (75.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: P00046075+00661,  Location: 3M W DIVIDE (Lat: 45.757508,  Lng: -112.781406),  Route carried "on" structure: State highway 43,  Year Built: 1968,  Status: Open,  Structure Length: 9.27m (30.41ft),  Average Daily Traffic: 604 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 655 (year 2040),  Design Load: HS 20,  Features Intersected: BIG HOLE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 120.184,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 65.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: P00046076+08051,  Location: DIVIDE (Lat: 45.750800,  Lng: -112.748400),  Route carried "on" structure: State highway 43,  Year Built: 1956,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 936 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,016 (year 2040),  Design Load: HS 15,  Features Intersected: DIVIDE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 123.243,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: P00055003+06271,  Location: 9M SW WHITEHALL (Lat: 45.766603,  Lng: -112.181525),  Route carried "on" structure: State highway 55,  Year Built: 1953,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 1,451 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,524 (year 2040),  Design Load: H 15,  Features Intersected: FISH CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.824,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.8m (25.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 35.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.80m (5.91ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $58,000,  Roadway Improvement Cost: $29,000,  Total Project Cost: $87,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00422000+01001,  Location: SILVER STAR (Lat: 45.686150,  Lng: -112.283861),  Route carried "on" structure: County highway 422,  Year Built: 2003,  Status: Open,  Structure Length: 6.85m (22.47ft),  Average Daily Traffic: 69 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 72 (year 2040),  Design Load: HS 20,  Features Intersected: JEFFERSON RIVER,  Facility Carried by Structure: PRIMROSE LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.130,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.0m (29.5ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.6m (74.1ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 72.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: July 2020,  Underwater Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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