Bridge Statistics for Helena Valley West Central, Montana (MT)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: L25602008+06001,  Location: 6M NW HELENA (Lat: 46.649258,  Lng: -112.121475),  Route carried "on" structure: Spur County highway 25602,  Year Built: 2001,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 1,719 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,805 (year 2040),  Design Load: HS 20,  Features Intersected: SEVEN MILE CREEK 034,  Facility Carried by Structure: BIRDSEYE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.227,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.4m (27.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 68.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: L25646001+04001,  Location: 5M NW HELENA (Lat: 46.636792,  Lng: -112.084467),  Route carried "on" structure: Spur County highway 25646,  Year Built: 1982,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 363 (year 2020),  Average Future Daily Traffic: 381 (year 2040),  Features Intersected: SEVEN MILE CREEK 149,  Facility Carried by Structure: HEAD LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.170,  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: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 7.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 3.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  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,  Other Special Inspection Frequency: Every 11 months,  Inspection Date: June 2020,  Other Special Inspection Date: January 2022,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L25655000+06001,  Location: 6M NW HELENA (Lat: 46.694300,  Lng: -112.041847),  Route carried "on" structure: Spur County highway 25655,  Year Built: 1958,  Year Reconstructed: 1996,  Status: Posted for load,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 974 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,023 (year 2040),  Design Load: H 15,  Features Intersected: HELENA VALLEY CANAL 115,  Facility Carried by Structure: APPLEGATE DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.116,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 21.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable 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: Febuary 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L25655001+01001,  Location: 5M NW HELENA (Lat: 46.686219,  Lng: -112.042114),  Route carried "on" structure: Spur County highway 25655,  Year Built: 2005,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 361 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 379 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK 144,  Facility Carried by Structure: APPLEGATE DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.014,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.4m (27.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very 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: 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: Febuary 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: L25655002+03001,  Location: 4M NW HELENA (Lat: 46.675083,  Lng: -112.050942),  Route carried "on" structure: Spur County highway 25655,  Year Built: 1958,  Status: Posted for load,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 336 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 353 (year 2040),  Design Load: H 15,  Features Intersected: HELENA VALLEY CANAL 114,  Facility Carried by Structure: NORRIS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.875,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.5m (24.6ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 23.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 15.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  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: Febuary 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: L25658000+05001,  Location: 6M NW HELENA (Lat: 46.689692,  Lng: -112.046289),  Route carried "on" structure: Spur County highway 25658,  Year Built: 1958,  Status: Posted for load,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 710 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 746 (year 2040),  Design Load: H 15,  Features Intersected: HELENA VALLEY CANAL 116,  Facility Carried by Structure: JOHN G MINE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.922,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.5m (24.6ft),  Skew: 3 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 19.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 12.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  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: Febuary 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: S00231001+00001,  Location: 1M N HELENA (Lat: 46.631806,  Lng: -112.047061),  Route carried "on" structure: State highway 231,  Year Built: 1992,  Status: Open,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 4,837 (year 2020),  Average Future Daily Traffic: 5,079 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK,  Facility Carried by Structure: GREEN MEADOW DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.712,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.4m (40.7ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 73.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: 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 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: S00231002+01001,  Location: 2M N HELENA (Lat: 46.648406,  Lng: -112.047283),  Route carried "on" structure: State highway 231,  Year Built: 1992,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 4,348 (year 2020),  Average Future Daily Traffic: 4,565 (year 2040),  Design Load: HS 20,  Features Intersected: HELENA VALLEY CANAL,  Facility Carried by Structure: GREEN MEADOW DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.558,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.4m (40.7ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 12.4m (40.7ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 49.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.9 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: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: S00231003+06001,  Location: 4M N HELENA (Lat: 46.674156,  Lng: -112.051322),  Route carried "on" structure: State highway 231,  Year Built: 2000,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 3,509 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,720 (year 2040),  Design Load: HS 20,  Features Intersected: HELENA VALLEY CANAL,  Facility Carried by Structure: GREEN MEADOW DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.436,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.3m (27.2ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very 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 desirable 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: October 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: S00231005+05001,  Location: 6M N HELENA (Lat: 46.695456,  Lng: -112.060975),  Route carried "on" structure: State highway 231,  Year Built: 2000,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 1,913 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,028 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: GREEN MEADOW DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.968,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.4m (27.6ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 65.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Precast Panels

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Structure Number: S00279001+00661,  Location: 6M N HELENA (Lat: 46.704397,  Lng: -112.034906),  Route carried "on" structure: Spur State highway 279,  Year Built: 1942,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 4,575 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 4,987 (year 2040),  Features Intersected: HELENA VALLEY CANAL,  Facility Carried by Structure: LINCOLN RD W
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.765,  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: 1,  Length of Maximum Span: 5.8m (19.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 44.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.8 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: S00279001+00851,  Location: 6M N HELENA (Lat: 46.704364,  Lng: -112.036042),  Route carried "on" structure: State highway 279,  Year Built: 1942,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 4,575 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 4,987 (year 2040),  Features Intersected: DRAINAGE,  Facility Carried by Structure: LINCOLN RD W
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.849,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.4m (24.3ft),  Skew: 2 degrees,  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 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: 48.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.20m (3.94ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $31,000,  Roadway Improvement Cost: $16,000,  Total Project Cost: $47,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous