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

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Structure Number: L50037001+03001,  Location: 1M S FAIRFIELD (Lat: 47.599222,  Lng: -111.987353),  Route carried "on" structure: Spur County highway 50401,  Year Built: 1978,  Status: Open,  Structure Length: 1.92m (6.30ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: GREENFIELD CANAL 058,  Facility Carried by Structure: S DIVISION LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.373,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 51.7 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L50037004+02001,  Location: 4M S FAIRFIELD (Lat: 47.561133,  Lng: -111.987197),  Route carried "on" structure: Spur County highway 50401,  Year Built: 1976,  Year Reconstructed: 2004,  Status: Posted for load,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: BIG COULEE 059,  Facility Carried by Structure: S DIVISION LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.028,  Lanes on structure: 2,  Owner: County 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: 4.6m (15.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.6 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: December 2020,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L50040000+06001,  Location: 2M SE FAIRFIELD (Lat: 47.606353,  Lng: -111.944286),  Route carried "on" structure: County highway 50040,  Year Built: 1938,  Year Reconstructed: 1994,  Status: Open,  Structure Length: 1.62m (5.31ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: GREENFIELD CANAL 053,  Facility Carried by Structure: 2ND LN SE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.055,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.8m (25.6ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 8.4m (27.6ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 6.6m (21.7ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: L50040000+08001,  Location: 2M SE FAIRFIELD (Lat: 47.608297,  Lng: -111.944339),  Route carried "on" structure: County highway 50040,  Year Built: 1966,  Year Reconstructed: 1994,  Status: Posted for load,  Structure Length: 1.69m (5.54ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: GREENFIELD CANAL 052,  Facility Carried by Structure: 2ND LN SE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.271,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.5m (21.3ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 8.5m (27.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 19.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 11.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L50076005+08001,  Location: 1M SE FAIRFIELD (Lat: 47.601922,  Lng: -111.965797),  Route carried "on" structure: County highway 50076,  Year Built: 1994,  Status: Open,  Structure Length: 1.88m (6.17ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: GREENFIELD CANAL 055,  Facility Carried by Structure: 1ST LN SE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.559,  Lanes on structure: 2,  Owner: County 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: 9.4m (30.8ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 27.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.1 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,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L50481000+05001,  Location: 3M SE FAIRFIELD (Lat: 47.611339,  Lng: -111.929214),  Route carried "on" structure: County highway 50481,  Year Built: 1949,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: H 15,  Features Intersected: IRRIGATION CANAL 031,  Facility Carried by Structure: COUNTY LINE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.470,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.2m (23.6ft),  Skew: 4 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.3m (17.4ft),  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: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 29.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to 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: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: P00003020+03001,  Location: 3M SE FAIRFIELD (Lat: 47.596844,  Lng: -111.937231),  Route carried "on" structure: Alternate US 89,  Year Built: 1983,  Status: Open,  Structure Length: 2.16m (7.09ft),  Average Daily Traffic: 1,589 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,668 (year 2040),  Design Load: HS 20,  Features Intersected: GREENFIELDS SOUTH CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.118,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 13.2m (43.3ft),  Out-to-Out Width: 14.1m (46.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: P00003022+01001,  Location: 1M SE FAIRFIELD (Lat: 47.600486,  Lng: -111.973589),  Route carried "on" structure: Alternate US 89,  Year Built: 1983,  Status: Open,  Structure Length: 2.93m (9.61ft),  Average Daily Traffic: 1,589 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,668 (year 2040),  Design Load: HS 20,  Features Intersected: GREENFIELDS MAIN CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.028,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 29.0m (95.1ft),  Curb-To-Curb Width: 13.2m (43.3ft),  Out-to-Out Width: 14.1m (46.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: S00408001+03001,  Location: 1M W FAIRFIELD (Lat: 47.609308,  Lng: -112.004186),  Route carried "on" structure: Bypass State highway 408,  Year Built: 1953,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 713 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 749 (year 2040),  Design Load: H 15,  Features Intersected: USRS LAT DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.830,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.4m (24.3ft),  Skew: 4 degrees,  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: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.0 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: November 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: S00408004+00001,  Location: 4M SW FAIRFIELD (Lat: 47.590706,  Lng: -112.050881),  Route carried "on" structure: Bypass State highway 408,  Year Built: 1953,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 335 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 352 (year 2040),  Design Load: H 15,  Features Intersected: USRS MAIN CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.871,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.4m (24.3ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.6m (24.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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,  Inspection Date: November 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: S00431001+01801,  Location: 3M E FAIRFIELD (Lat: 47.613006,  Lng: -111.922986),  Route carried "on" structure: Bypass State highway 431,  Year Built: 1959,  Status: Open,  Structure Length: 1.77m (5.81ft),  Average Daily Traffic: 252 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 265 (year 2040),  Design Load: HS 15,  Features Intersected: GREENFIELD MAIN CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.800,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  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: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 52.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 37.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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,  Inspection Date: November 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: S00565006+06501,  Location: 7M N SIMMS (Lat: 47.591892,  Lng: -111.922847),  Route carried "on" structure: State highway 565,  Year Built: 1969,  Year Reconstructed: 1997,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 342 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 359 (year 2040),  Design Load: HS 20,  Features Intersected: GREENFIELD SOUTH CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.937,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.4m (24.3ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.3m (17.4ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 39.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.8 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: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous