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Bridge Statistics for Manhattan, Montana (MT)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 24Number of bridges
  • 262ft / 80.0mTotal length
  • $1,444,000Total costs
  • 194,390Total average daily traffic
  • 24,156Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Manhattan
  • No street view available for this location

New bridges in Manhattan, MT - historical statistics
  • New bridges - historical statistics
  • 21920-1929
  • 21940-1949
  • 11950-1959
  • 181960-1969
  • 12010-2019
Average Bridge Daily Traffic in Manhattan, MT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 73.7%Good
  • 15.8%Satisfactory
  • 10.5%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 10.5%Very good
  • 68.4%Good
  • 21.1%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 42.1%Good
  • 47.4%Satisfactory
  • 10.5%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 23.1%Very good
  • 53.8%Good
  • 23.1%Satisfactory
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Structure Number: I00090289+02721,  Location: 0.6M E MANHATTAN (Lat: 45.847908,  Lng: -111.326303),  Route carried "on" structure: Interstate 90,  Year Built: 1964,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: MANHATTAN SOUTH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 462.599,  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: 16.8m (55.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 34.5 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090289+02722,  Location: 0.6M E MANHATTAN (Lat: 45.848128,  Lng: -111.326297),  Route carried "on" structure: Interstate 90,  Year Built: 1964,  Status: Open,  Structure Length: 4.97m (16.31ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: MANHATTAN SOUTH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 462.777,  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: 16.8m (55.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 34.5 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090290+07391,  Location: 1.9M E MANHATTAN (Lat: 45.838414,  Lng: -111.299831),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: CAMP CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 464.956,  Lanes on 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: 2,  Length of Maximum Span: 12.4m (40.7ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 51.7 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: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090290+07392,  Location: 1.9M E MANHATTAN (Lat: 45.838575,  Lng: -111.299644),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: CAMP CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 465.152,  Lanes on 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: 2,  Length of Maximum Span: 12.4m (40.7ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 58.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 44.5 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090290+09511,  Location: 1.9M E MANHATTAN (Lat: 45.836619,  Lng: -111.296467),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: BAKER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 465.293,  Lanes on 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: 2,  Length of Maximum Span: 13.9m (45.6ft),  Curb-To-Curb Width: 11.1m (36.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 60.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 46.3 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090290+09512,  Location: 1.9M E MANHATTAN (Lat: 45.836742,  Lng: -111.296208),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: BAKER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 465.487,  Lanes on 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: 2,  Length of Maximum Span: 13.9m (45.6ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 60.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 46.3 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090291+06371,  Location: 2.5M E MANHATTAN (Lat: 45.830594,  Lng: -111.285164),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 3.51m (11.52ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: SEP HEEB ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 466.396,  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: 12.6m (41.3ft),  Curb-To-Curb Width: 11.1m (36.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 40.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 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: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090291+06372,  Location: 2.5M E MANHATTAN (Lat: 45.830706,  Lng: -111.284914),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 3.51m (11.52ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: SEP HEEB ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 466.592,  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: 12.6m (41.3ft),  Curb-To-Curb Width: 11.1m (36.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 40.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090292+04251,  Location: 3.1M E MANHATTAN (Lat: 45.823628,  Lng: -111.272067),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: GALLATIN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 467.669,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 15.7m (51.5ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 42.6 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,  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: May 2020,  Underwater Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00090292+04252,  Location: 3.1M E MANHATTAN (Lat: 45.823844,  Lng: -111.271994),  Route carried "on" structure: Interstate 90,  Year Built: 1965,  Status: Open,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 16,519 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 18,088 (year 2040),  Design Load: HS 20,  Features Intersected: GALLATIN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 467.853,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 15.7m (51.5ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 42.6 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,  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: May 2020,  Underwater Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay
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Structure Number: L16441000+02001,  Location: 1M S MANHATTAN (Lat: 45.845561,  Lng: -111.326567),  Route carried "on" structure: County highway 16441,  Year Built: 1956,  Status: Open,  Structure Length: 0.96m (3.15ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: IRRIGATION CANAL 117,  Facility Carried by Structure: MANHATTAN S RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.383,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.6m (31.5ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 32.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00205011+09551,  Location: MANHATTAN (Lat: 45.847019,  Lng: -111.314331),  Route carried "on" structure: State highway 205,  Year Built: 2010,  Status: Open,  Structure Length: 11.40m (37.40ft),  Average Daily Traffic: 1,645 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,727 (year 2040),  Design Load: HL 93,  Features Intersected: RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.122,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.8m (38.7ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 44.0m (144.4ft),  Curb-To-Curb Width: 11.8m (38.7ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 94.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 72.7 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 10.50m (34.45ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $849,000,  Roadway Improvement Cost: $425,000,  Total Project Cost: $1,274,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: S00205012+08751,  Location: 2M SE MANHATTAN (Lat: 45.839400,  Lng: -111.298939),  Route carried "on" structure: State highway 205,  Year Built: 1920,  Year Reconstructed: 1934,  Status: Open,  Structure Length: 1.30m (4.27ft),  Average Daily Traffic: 1,645 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,727 (year 2040),  Design Load: H 15,  Features Intersected: CAMP CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.551,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $40,000,  Total Project Cost: $120,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00205013+00791,  Location: 2M SE MANHATTAN (Lat: 45.837700,  Lng: -111.295525),  Route carried "on" structure: State highway 205,  Year Built: 1921,  Year Reconstructed: 1934,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 1,645 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,727 (year 2040),  Design Load: H 15,  Features Intersected: BAKER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.878,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00205014+05181,  Location: 3M SE MANHATTAN (Lat: 45.825031,  Lng: -111.271667),  Route carried "on" structure: State highway 205,  Year Built: 1949,  Status: Open,  Structure Length: 7.68m (25.20ft),  Average Daily Traffic: 2,410 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,531 (year 2040),  Design Load: HS 20,  Features Intersected: GALLATIN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.206,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.0m (95.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 51.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 39.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  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,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: April 2020,  Underwater Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: S00288000+09091,  Location: MANHATTAN (Lat: 45.849772,  Lng: -111.338281),  Route carried "on" structure: State highway 288,  Year Built: 1964,  Status: Open,  Structure Length: 7.22m (23.69ft),  Average Daily Traffic: 1,628 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,840 (year 2040),  Design Load: HS 20,  Features Intersected: INT MANHATTAN-I 90,  Facility Carried by Structure: CHURCHILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 68.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: S00288002+08001,  Location: 3M S MANHATTAN (Lat: 45.814447,  Lng: -111.325353),  Route carried "on" structure: State highway 288,  Year Built: 1949,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 1,628 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,840 (year 2040),  Features Intersected: DRAINAGE,  Facility Carried by Structure: CHURCHILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.428,  Lanes on structure: 2,  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: 1,  Length of Maximum Span: 5.8m (19.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.30m (4.27ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $33,000,  Roadway Improvement Cost: $17,000,  Total Project Cost: $50,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00346002+03611,  Location: 1M E MANHATTAN (Lat: 45.860278,  Lng: -111.298636),  Route carried "on" structure: State highway 346,  Year Built: 1967,  Status: Open,  Structure Length: 3.09m (10.14ft),  Average Daily Traffic: 1,015 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,066 (year 2040),  Design Load: HS 15,  Features Intersected: BAKER CREEK,  Facility Carried by Structure: W DRY CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.821,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 41.7 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: S00346002+07281,  Location: 2M E MANHATTAN (Lat: 45.860342,  Lng: -111.291025),  Route carried "on" structure: State highway 346,  Year Built: 1967,  Status: Open,  Structure Length: 5.84m (19.16ft),  Average Daily Traffic: 1,015 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,066 (year 2040),  Design Load: HS 15,  Features Intersected: GALLATIN RIVER,  Facility Carried by Structure: W DRY CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.406,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 29.0m (95.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 49.9 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090289+02721,  Location: 06M E MANHATTAN (Lat: 45.847908,  Lng: -111.326303),  Route carried "under" structure: ServiceState highway 16895,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: MANHATTAN SOUTH RD,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 7.46m (24.48ft),  Kilometerpoint: 0.651,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 16.8m (55.1ft)

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Structure Number: I00090289+02722,  Location: 06M E MANHATTAN (Lat: 45.848128,  Lng: -111.326297),  Route carried "under" structure: ServiceState highway 16895,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: MANHATTAN SOUTH RD,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 7.16m (23.49ft),  Kilometerpoint: 0.675,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 16.8m (55.1ft)

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Structure Number: I00090291+06371,  Location: 25M E MANHATTAN (Lat: 45.830594,  Lng: -111.285164),  Route carried "under" structure: ServiceCounty highway 16063,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 75 (year 2020),  Truck Traffic: 3%,  Features Intersected: SEP HEEB ROAD,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.45m (14.60ft),  Kilometerpoint: 4.933,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 12.6m (41.3ft)

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Structure Number: I00090291+06372,  Location: 25M E MANHATTAN (Lat: 45.830706,  Lng: -111.284914),  Route carried "under" structure: ServiceCounty highway 16063,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 75 (year 2020),  Truck Traffic: 3%,  Features Intersected: SEP HEEB ROAD,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 4.956,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 12.6m (41.3ft)

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Structure Number: S00288000+09091,  Location: MANHATTAN (Lat: 45.849772,  Lng: -111.338281),  Route carried "under" structure: Interstate 90,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 16,119 (year 2020),  Truck Traffic: 14%,  Features Intersected: INT MANHATTAN-I 90,  Facility Carried by Structure: CHURCHILL RD
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 461.638,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.8m (65.0ft)

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