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

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Structure Number: 3318,  Location: 8M S RONAN (Lat: 47.412456,  Lng: -114.075567),  Route carried "on" structure: Federal lands road 24455,  Year Built: 2017,  Status: Posted for load,  Structure Length: 1.53m (5.02ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: POST CREEK 074,  Facility Carried by Structure: DELANEY WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.137,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 21.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 16.3 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 20200533,  Location: 1M N TOSTON (Lat: 46.188736,  Lng: -111.447653),  Route carried "on" structure: US 8,  Year Built: 2020,  Status: Open,  Structure Length: 0.75m (2.46ft),  Average Daily Traffic: 3,647 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,285 (year 2040),  Design Load: HL 93,  Features Intersected: SIX MILE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 140.190,  Lanes on structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.9m (22.6ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 60.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 47.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present desirable criteria,  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

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Structure Number: 202005331,  Location: TOSTON (Lat: 46.176900,  Lng: -111.443700),  Route carried "on" structure: US 8,  Year Built: 2020,  Status: Open,  Structure Length: 10.87m (35.66ft),  Average Daily Traffic: 3,647 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,285 (year 2040),  Design Load: HL 93,  Features Intersected: RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 141.527,  Lanes on structure: 4,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 19.3m (63.3ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 42.7m (140.1ft),  Curb-To-Curb Width: 19.3m (63.3ft),  Out-to-Out Width: 20.1m (65.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 48.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 37.2 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: Superior 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: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 202005332,  Location: TOSTON (Lat: 46.174000,  Lng: -111.445719),  Route carried "on" structure: US 287,  Year Built: 2020,  Status: Open,  Structure Length: 20.15m (66.11ft),  Average Daily Traffic: 3,647 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,285 (year 2040),  Design Load: HL 93,  Features Intersected: MISSOURI RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 141.900,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 19.3m (63.3ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 56.4m (185.0ft),  Curb-To-Curb Width: 19.3m (63.3ft),  Out-to-Out Width: 20.1m (65.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very 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: Equal to present desirable criteria,  Deck Geometry: 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: May 2021,  Underwater Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: L04401001+09001,  Location: 1M SE TOSTON (Lat: 46.159411,  Lng: -111.433547),  Route carried "on" structure: County highway 4401,  Year Built: 1976,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BROADWATER MISSOURI 018,  Facility Carried by Structure: LOMBARD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.689,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 6.5m (21.3ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 39.9 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: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Other

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Structure Number: L04413000+01001,  Location: 3M N TOSTON (Lat: 46.224117,  Lng: -111.448886),  Route carried "on" structure: County highway 4413,  Year Built: 1976,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BROADWATER MISSOURI 015,  Facility Carried by Structure: DRY HOLLOW RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.220,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 42.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.9 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Other

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Structure Number: L04414000+01001,  Location: 2M N TOSTON (Lat: 46.195528,  Lng: -111.447156),  Route carried "on" structure: County highway 4414,  Year Built: 1976,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BROADWATER CANAL 016,  Facility Carried by Structure: SIXMILE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.271,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 5.4m (17.7ft),  Out-to-Out Width: 5.9m (19.4ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 48.9 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: 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Other

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Structure Number: L04415000+01001,  Location: TOSTON (Lat: 46.171853,  Lng: -111.443681),  Route carried "on" structure: County highway 4415,  Year Built: 1920,  Status: Posted for load,  Structure Length: 16.21m (53.18ft),  Average Daily Traffic: 114 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 120 (year 2040),  Features Intersected: MISSOURI RIVER 019,  Facility Carried by Structure: HWY 287 BYPASS
Minimum Vertical Clearance: 3.91m (12.83ft),  Kilometerpoint: 0.313,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 53.3m (174.9ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Serious,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 11.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 7.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  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: > 39.9% below),  Length Of Structure Improvement: 17.00m (55.77ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Other Special Inspection Frequency: Every 3 months,  Inspection Date: June 2020,  Critical Feature Inspection Date: June 2020,  Underwater Inspection Date: September 2019,  Other Special Inspection Date: January 2022,  Bridge Improvement Cost: $716,000,  Roadway Improvement Cost: $358,000,  Total Project Cost: $1,074,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L04424000+03001,  Location: 1M N TOSTON (Lat: 46.181056,  Lng: -111.436628),  Route carried "on" structure: County highway 4424,  Year Built: 1976,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BROADWATER MISSOURI 017,  Facility Carried by Structure: GREAVES RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.574,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 46.2 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Other

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Structure Number: L04425000+02001,  Location: TOSTON (Lat: 46.172728,  Lng: -111.437453),  Route carried "on" structure: County highway 4425,  Year Built: 1980,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BROADWATER MISSOURI 020,  Facility Carried by Structure: FERRY ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.296,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.0m (16.4ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 4.5m (14.8ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  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: 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: November 2021,  Deck Structure Type: Other

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Structure Number: S00285002+09001,  Location: 2M W TOSTON (Lat: 46.173706,  Lng: -111.505211),  Route carried "on" structure: State highway 285,  Year Built: 1948,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 228 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 239 (year 2040),  Features Intersected: TOSTON CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.527,  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: 3,  Length of Maximum Span: 4.0m (13.1ft),  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: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 34.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 25.4 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 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: 202005331,  Location: TOSTON (Lat: 46.176900,  Lng: -111.443700),  Route carried "under" structure: County highway 42868,  Year Built: 2020,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: RR,  Facility Carried by Structure: US 287
Minimum Vertical Clearance: 7.92m (25.98ft),  Kilometerpoint: 0.536,  Lanes on structure: 4,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 42.7m (140.1ft)