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


  • National Bridge Inventory (NBI) Statistics
  • 20Number of bridges
  • 200ft / 60.9mTotal length
  • $111,000Total costs
  • 63,757Total average daily traffic
  • 11,796Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Cardwell
  • No street view available for this location

New bridges in Cardwell, MT - historical statistics
  • New bridges - historical statistics
  • 21950-1959
  • 131960-1969
  • 21980-1989
  • 11990-1999
  • 22000-2009
Average Bridge Daily Traffic in Cardwell, MT
Average Bridge Truck Traffic in Cardwell, MT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 31.3%Good
  • 62.5%Satisfactory
  • 6.3%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 6.3%Very good
  • 62.5%Good
  • 31.3%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 62.5%Good
  • 31.3%Satisfactory
  • 6.3%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 66.7%Very good
  • 25.0%Good
  • 8.3%Satisfactory
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Structure Number: I00090253+03081,  Location: 3.1M W CARDWELL (Lat: 45.875106,  Lng: -112.014942),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 6.58m (21.59ft),  Average Daily Traffic: 8,716 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 9,413 (year 2040),  Design Load: HS 20,  Features Intersected: P 69
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 404.757,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.9m (75.1ft),  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: 52.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 40.8 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090253+03082,  Location: 3.1M W CARDWELL (Lat: 45.875375,  Lng: -112.014692),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 6.09m (19.98ft),  Average Daily Traffic: 8,716 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 9,413 (year 2040),  Design Load: HS 20,  Features Intersected: P 69
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 404.960,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.9m (75.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.4m (40.7ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 52.6 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: 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: October 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090256+02931,  Location: CARDWELL (Lat: 45.869692,  Lng: -111.954583),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 9,598 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 10,366 (year 2040),  Design Load: HS 20,  Features Intersected: INT CARDWELL-S 359
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 409.544,  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: 17.4m (57.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 41.7 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,  Underclear: Somewhat better than minimum adequacy,  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: I00090256+02932,  Location: CARDWELL (Lat: 45.869897,  Lng: -111.954628),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 9,598 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 10,366 (year 2040),  Design Load: HS 20,  Features Intersected: INT CARDWELL-S 359
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 409.724,  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: 17.4m (57.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 41.7 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: Somewhat better than minimum adequacy,  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: I00090256+08671,  Location: 0.6M E CARDWELL (Lat: 45.870261,  Lng: -111.942758),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 3.77m (12.37ft),  Average Daily Traffic: 9,598 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 10,366 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 410.465,  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: 17.1m (56.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 41.7 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: I00090256+08672,  Location: 0.6M E CARDWELL (Lat: 45.870464,  Lng: -111.942806),  Route carried "on" structure: Interstate 90,  Year Built: 1968,  Status: Open,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 9,598 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 10,366 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 410.644,  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: 17.1m (56.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 40.8 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L22249000+08001,  Location: 1M E CARDWELL (Lat: 45.869992,  Lng: -111.942717),  Route carried "on" structure: ServiceState highway 2,  Year Built: 1968,  Status: Open,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 290 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 305 (year 2040),  Design Load: HS 15,  Features Intersected: BOULDER RIVER 064
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.920,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 17.0m (55.8ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 10.5m (34.4ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 37.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.4 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L22319001+00001,  Location: 1M NE CARDWELL (Lat: 45.881494,  Lng: -111.940803),  Route carried "on" structure: County highway 22319,  Year Built: 1983,  Status: Posted for load,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: BOULDER RIVER 009,  Facility Carried by Structure: COTTONWOOD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.743,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  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: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.20m (10.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $74,000,  Roadway Improvement Cost: $37,000,  Total Project Cost: $111,000,  Deck Structure Type: Other
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Structure Number: L22522000+03001,  Location: 3M W CARDWELL (Lat: 45.870761,  Lng: -112.012911),  Route carried "on" structure: County highway 22522,  Year Built: 1991,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: JEFFERSON SLOUGH 014,  Facility Carried by Structure: TEBAY LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.562,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.3m (27.2ft),  Out-to-Out Width: 8.8m (28.9ft)

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: 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: January 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: L22522001+00001,  Location: 3M W CARDWELL (Lat: 45.859822,  Lng: -112.013331),  Route carried "on" structure: County highway 22522,  Year Built: 2003,  Status: Open,  Structure Length: 2.20m (7.22ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HL 93,  Features Intersected: JEF RIV OVERFLOW 013,  Facility Carried by Structure: TEBAY LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.794,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.0m (29.5ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 49.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 39.0 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: September 2021,  Underwater Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L22522001+02001,  Location: 3M W CARDWELL (Lat: 45.856281,  Lng: -112.013608),  Route carried "on" structure: County highway 22522,  Year Built: 1986,  Status: Open,  Structure Length: 7.16m (23.49ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: JEFFERSON RIVER 012,  Facility Carried by Structure: TEBAY LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.172,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 60.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.0 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,  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: January 2021,  Underwater Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: L29062001+03001,  Location: 5M S JEFFERSON ISLAND (Lat: 45.793861,  Lng: -111.934119),  Route carried "on" structure: County highway 29005,  Year Built: 2008,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: LWR S BOULDER RIVER 054,  Facility Carried by Structure: S BOULDER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.382,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.2m (23.6ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 46.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than 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: April 2021,  Deck Structure Type: Other
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Structure Number: S00359001+03461,  Location: CARDWELL (Lat: 45.868317,  Lng: -111.954300),  Route carried "on" structure: State highway 359,  Year Built: 1968,  Status: Open,  Structure Length: 3.40m (11.15ft),  Average Daily Traffic: 922 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 968 (year 2040),  Design Load: HS 20,  Features Intersected: JEFFERSON RIVER SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.184,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 17.0m (55.8ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 52.6 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: Better than 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: March 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: S00359002+02661,  Location: JEFFERSON ISLAND (Lat: 45.854817,  Lng: -111.950769),  Route carried "on" structure: State highway 359,  Year Built: 1967,  Status: Open,  Structure Length: 8.81m (28.90ft),  Average Daily Traffic: 927 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 973 (year 2040),  Design Load: HS 15,  Features Intersected: JEFFERSON RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.702,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.6m (97.1ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 48.1 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: October 2021,  Underwater Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: S00359002+08211,  Location: JEFFERSON ISLAND (Lat: 45.851700,  Lng: -111.941425),  Route carried "on" structure: State highway 359,  Year Built: 1958,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 927 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 973 (year 2040),  Design Load: HS 15,  Features Intersected: BRICKER SPARROW DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.604,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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: 9.0m (29.5ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Very good,  Operating Rating: 32.7 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00359006+02091,  Location: 3M S JEFFERSON ISLAND (Lat: 45.805703,  Lng: -111.927819),  Route carried "on" structure: State highway 359,  Year Built: 1958,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 927 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 973 (year 2040),  Design Load: HS 15,  Features Intersected: SOUTH BOULDER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.049,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.5 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: I00090253+03081,  Location: 31M W CARDWELL (Lat: 45.875106,  Lng: -112.014942),  Route carried "under" structure: State highway 69,  Year Built: 1968,  Structure Length: 0. m,  Average Daily Traffic: 897 (year 2020),  Truck Traffic: 11%,  Features Intersected: P 69,  Facility Carried by Structure: I 90 Eastbound
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 6.837,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.9m (75.1ft)

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Structure Number: I00090253+03082,  Location: 31M W CARDWELL (Lat: 45.875375,  Lng: -112.014692),  Route carried "under" structure: State highway 69,  Year Built: 1968,  Structure Length: 0. m,  Average Daily Traffic: 897 (year 2020),  Truck Traffic: 11%,  Features Intersected: P 69,  Facility Carried by Structure: I 90 Westbound
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 6.872,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.9m (75.1ft)

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Structure Number: I00090256+02931,  Location: CARDWELL (Lat: 45.869692,  Lng: -111.954583),  Route carried "under" structure: State highway 359,  Year Built: 1968,  Structure Length: 0. m,  Average Daily Traffic: 823 (year 2020),  Truck Traffic: 13%,  Features Intersected: INT CARDWELL-S 359,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 5.33m (17.49ft),  Kilometerpoint: 2.029,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.4m (57.1ft)

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Structure Number: I00090256+02932,  Location: CARDWELL (Lat: 45.869897,  Lng: -111.954628),  Route carried "under" structure: State highway 359,  Year Built: 1968,  Structure Length: 0. m,  Average Daily Traffic: 823 (year 2020),  Truck Traffic: 13%,  Features Intersected: INT CARDWELL-S 359,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.65m (15.26ft),  Kilometerpoint: 2.006,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.4m (57.1ft)

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