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


  • National Bridge Inventory (NBI) Statistics
  • 22Number of bridges
  • 230ft / 70.5mTotal length
  • $174,000Total costs
  • 78,148Total average daily traffic
  • 4,854Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Helena Valley Northeast
  • No street view available for this location

New bridges in Helena Valley Northeast, MT - historical statistics
  • New bridges - historical statistics
  • 31940-1949
  • 11950-1959
  • 131960-1969
  • 21980-1989
  • 11990-1999
  • 22000-2009
Reconstructed bridges in Helena Valley Northeast, MT - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11980-1989
  • 01990-1999
  • 12000-2009
Average Bridge Daily Traffic in Helena Valley Northeast, MT
Average Bridge Truck Traffic in Helena Valley Northeast, MT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 5.9%Very good
  • 76.5%Good
  • 5.9%Satisfactory
  • 5.9%Fair
  • 5.9%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 41.2%Very good
  • 52.9%Good
  • 5.9%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 17.6%Very good
  • 52.9%Good
  • 23.5%Satisfactory
  • 5.9%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 16.7%Very good
  • 66.7%Good
  • 16.7%Satisfactory
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Structure Number: 202008015,  Location: 5M NE HELENA (Lat: 46.662706,  Lng: -111.976514),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1940,  Status: Posted for load,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: PRICKELY PEAR CREEK,  Facility Carried by Structure: Unknown
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: State Agenciy,  Approaching Roadway Width: 4.6m (15.1ft),  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 or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.7m (2.3ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 5.6m (18.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 34.5 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: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: I00015196+01921,  Location: 4M N HELENA (Lat: 46.648147,  Lng: -112.011239),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 1.57m (5.15ft),  Average Daily Traffic: 10,725 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 11,261 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 315.094,  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: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 53.5 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 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: I00015196+01922,  Location: 4M N HELENA (Lat: 46.648150,  Lng: -112.011531),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 1.57m (5.15ft),  Average Daily Traffic: 10,725 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 11,261 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 314.843,  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: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 53.5 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 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: I00015197+00391,  Location: 4M N HELENA (Lat: 46.660550,  Lng: -112.011406),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.67m (12.04ft),  Average Daily Traffic: 10,725 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 11,261 (year 2040),  Design Load: HS 20,  Features Intersected: SEP SIERRA RD E
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 316.473,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.2m (46.6ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 57.2 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00015197+00392,  Location: 4M N HELENA (Lat: 46.660556,  Lng: -112.011708),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.67m (12.04ft),  Average Daily Traffic: 10,725 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 11,261 (year 2040),  Design Load: HS 20,  Features Intersected: SEP SIERRA RD E
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 316.222,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.2m (46.6ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 57.2 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: I00015209+01081,  Location: 17M S WOLF CREEK (Lat: 46.820217,  Lng: -112.001322),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 3,800 (year 2020),  Truck Traffic: 17%,  Average Future Daily Traffic: 3,990 (year 2040),  Design Load: HS 20,  Features Intersected: INT GATES OF THE MTNS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 335.896,  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: 14.2m (46.6ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 44.5 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: 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: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: I00015209+01082,  Location: 17M S WOLF CREEK (Lat: 46.820164,  Lng: -112.001611),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 4,238 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 4,450 (year 2040),  Design Load: HS 20,  Features Intersected: INT GATES OF THE MTNS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 335.602,  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: 13.7m (44.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 44.5 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: Better than 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,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: L25100000+07001,  Location: 8M N EAST HELENA (Lat: 46.702150,  Lng: -111.901089),  Route carried "on" structure: Spur County highway 25034,  Year Built: 1944,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 772 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 865 (year 2040),  Features Intersected: CAUSEWAY-LAKE HELENA 072,  Facility Carried by Structure: LAKE HELENA DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.809,  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: 2,  Length of Maximum Span: 3.4m (11.2ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.8m (22.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 40.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to 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,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: March 2021,  Underwater Inspection Date: October 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L25104002+02001,  Location: 5M NE HELENA (Lat: 46.660756,  Lng: -111.975469),  Route carried "on" structure: Spur County highway 25104,  Year Built: 1998,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 655 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 688 (year 2040),  Design Load: HS 20,  Features Intersected: PRICKLY PEAR CREEK 077,  Facility Carried by Structure: SIERRA ROAD E
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.654,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: L25104002+09001,  Location: 5M NE HELENA (Lat: 46.660719,  Lng: -111.990128),  Route carried "on" structure: Spur County highway 25104,  Year Built: 2001,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 655 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 688 (year 2040),  Features Intersected: TEN MILE CREEK 076,  Facility Carried by Structure: SIERRA ROAD E
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.775,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.0m (26.2ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  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: 54.4 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present desirable 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: August 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: L25116002+02001,  Location: 2M W NELSON (Lat: 46.800075,  Lng: -111.845144),  Route carried "on" structure: County highway 25116,  Year Built: 2001,  Status: Open,  Structure Length: 1.57m (5.15ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: BEAVER CREEK 142,  Facility Carried by Structure: BEAVER CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.614,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.2m (23.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.3m (50.2ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

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: 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: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: L25128001+09001,  Location: 11M N HELENA (Lat: 46.717203,  Lng: -111.999717),  Route carried "on" structure: Spur County highway 25128,  Year Built: 1958,  Status: Posted for load,  Structure Length: 0.68m (2.23ft),  Average Daily Traffic: 456 (year 2020),  Average Future Daily Traffic: 479 (year 2040),  Features Intersected: HELENA VALLEY CANAL 150,  Facility Carried by Structure: GLASS DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.032,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 4 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.5m (21.3ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 29.9 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: 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,  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: L25295002+04001,  Location: 2M N HELENA (Lat: 46.648150,  Lng: -112.010922),  Route carried "on" structure: ServiceState highway 25295,  Year Built: 1962,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 1,977 (year 2020),  Average Future Daily Traffic: 2,145 (year 2040),  Design Load: HS 20,  Features Intersected: TEN MILE CREEK 071,  Facility Carried by Structure: FRONTAGE ROAD 295
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.821,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Fair,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 58.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 43.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum 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: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: S00279000+00001,  Location: 10M N HELENA (Lat: 46.704450,  Lng: -112.012031),  Route carried "on" structure: State highway 279,  Year Built: 1962,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 6,847 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 7,463 (year 2040),  Design Load: HS 15,  Features Intersected: INT LINCOLN-I 15,  Facility Carried by Structure: LINCOLN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.015,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 13.6m (44.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.7m (61.4ft),  Curb-To-Curb Width: 13.6m (44.6ft),  Out-to-Out Width: 14.5m (47.6ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Good,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum 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,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: S00280000+03441,  Location: 2M NE HELENA (Lat: 46.628517,  Lng: -111.972472),  Route carried "on" structure: State highway 280,  Year Built: 1941,  Year Reconstructed: 1993,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 4,822 (year 2020),  Average Future Daily Traffic: 5,063 (year 2040),  Design Load: H 15,  Features Intersected: PRICKLY PEAR CREEK,  Facility Carried by Structure: YORK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.948,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.1m (16.7ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 48.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.70m (5.58ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Bridge Improvement Cost: $116,000,  Roadway Improvement Cost: $58,000,  Total Project Cost: $174,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: S00280012+00001,  Location: 14M NE HELENA (Lat: 46.713283,  Lng: -111.806081),  Route carried "on" structure: State highway 280,  Year Built: 1982,  Status: Open,  Structure Length: 32.91m (107.97ft),  Average Daily Traffic: 443 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 487 (year 2040),  Design Load: HS 20,  Features Intersected: MISSOURI RIVER,  Facility Carried by Structure: YORK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.548,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 9,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: October 2021,  Underwater Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: S00280013+04001,  Location: 15M NE HELENA (Lat: 46.710742,  Lng: -111.780231),  Route carried "on" structure: County highway 280,  Year Built: 1982,  Status: Open,  Structure Length: 2.01m (6.59ft),  Average Daily Traffic: 443 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 487 (year 2040),  Design Load: HS 20,  Features Intersected: TROUT CREEK,  Facility Carried by Structure: YORK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.910,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.6m (64.3ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Very 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: 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: January 2022,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: I00015197+00391,  Location: 4M N HELENA (Lat: 46.660550,  Lng: -112.011406),  Route carried "under" structure: ServiceCounty highway 25607,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 2,444 (year 2020),  Features Intersected: SEP SIERRA RD E,  Facility Carried by Structure: I 15
Minimum Vertical Clearance: 4.52m (14.83ft),  Kilometerpoint: 2.890,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.2m (46.6ft)

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Structure Number: I00015197+00392,  Location: 4M N HELENA (Lat: 46.660556,  Lng: -112.011708),  Route carried "under" structure: ServiceCounty highway 25607,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 2,444 (year 2020),  Features Intersected: SEP SIERRA RD E,  Facility Carried by Structure: I 15
Minimum Vertical Clearance: 4.43m (14.53ft),  Kilometerpoint: 2.867,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.2m (46.6ft)

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Structure Number: I00015209+01081,  Location: 17M S WOLF CREEK (Lat: 46.820217,  Lng: -112.001322),  Route carried "under" structure: ServiceCounty highway 25428,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 407 (year 2020),  Truck Traffic: 3%,  Features Intersected: INT GATES OF THE MTNS,  Facility Carried by Structure: I 15
Minimum Vertical Clearance: 4.64m (15.22ft),  Kilometerpoint: 0.062,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.2m (46.6ft)

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Structure Number: I00015209+01082,  Location: 17M S WOLF CREEK (Lat: 46.820164,  Lng: -112.001611),  Route carried "under" structure: ServiceCounty highway 25428,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 407 (year 2020),  Truck Traffic: 3%,  Features Intersected: INT GATES OF THE MTNS,  Facility Carried by Structure: I 15
Minimum Vertical Clearance: 4.33m (14.21ft),  Kilometerpoint: 0.039,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 13.7m (44.9ft)

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Structure Number: S00279000+00001,  Location: 10M N HELENA (Lat: 46.704450,  Lng: -112.012031),  Route carried "under" structure: Interstate 15,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 4,238 (year 2020),  Truck Traffic: 15%,  Features Intersected: INT LINCOLN-I 15,  Facility Carried by Structure: LINCOLN RD
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 321.351,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.7m (61.4ft)

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