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

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Structure Number: 6381,  Location: 5M E BIG FORK (Lat: 48.051678,  Lng: -113.982361),  Route carried "on" structure: State highway 209,  Year Built: 2018,  Status: Open,  Structure Length: 6.45m (21.16ft),  Average Daily Traffic: 2,111 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 2,238 (year 2040),  Design Load: HL 93,  Features Intersected: SWAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.240,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 62.6m (205.4ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 51.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 39.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Other

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Structure Number: L15096001+01001,  Location: 1M SE CRESTON (Lat: 48.175447,  Lng: -114.131861),  Route carried "on" structure: County highway 15096,  Year Built: 1989,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: MILL CREEK 148,  Facility Carried by Structure: RIVERSIDE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.807,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Precast Panels

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Structure Number: L15113000+01001,  Location: 1M SE CRESTON (Lat: 48.174906,  Lng: -114.132561),  Route carried "on" structure: County highway 15113,  Year Built: 2000,  Status: Open,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: MILL CREEK 012,  Facility Carried by Structure: OBRYAN LN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.055,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.1m (43.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  Operating Rating: 63.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Precast Panels

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Structure Number: L15657002+06001,  Location: 1M W FERNDALE (Lat: 48.055689,  Lng: -114.029675),  Route carried "on" structure: County highway 15657,  Year Built: 1998,  Status: Open,  Structure Length: 8.87m (29.10ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: SWAN RIVER 008,  Facility Carried by Structure: SWAN RIVER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.125,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 22.4m (73.5ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: November 2021,  Underwater Inspection Date: October 2018,  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: L15659000+06001,  Location: 5M NE BIG FORK (Lat: 48.082828,  Lng: -113.989269),  Route carried "on" structure: County highway 15659,  Year Built: 2001,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: WOLF CREEK 009,  Facility Carried by Structure: WOLF CREEK DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.997,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  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 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Precast Panels

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Structure Number: L15672000+02001,  Location: S END BIG FORK (Lat: 48.059319,  Lng: -114.072686),  Route carried "on" structure: County highway 15672,  Year Built: 1911,  Status: Posted for load,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 1,498 (year 2020),  Average Future Daily Traffic: 1,573 (year 2040),  Features Intersected: SWAN RIVER 110,  Facility Carried by Structure: BRIDGE ST
Minimum Vertical Clearance: 4.95m (16.24ft),  Kilometerpoint: 1.076,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.3m (119.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.4m (4.6ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Fair,  Channel: Very good,  Operating Rating: 7.2 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 replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Superior 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: 4.60m (15.09ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Bridge Improvement Cost: $193,000,  Roadway Improvement Cost: $97,000,  Total Project Cost: $290,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: L24630000+06001,  Location: 2M SE FERNDALE (Lat: 48.033322,  Lng: -113.975944),  Route carried "on" structure: County highway 24625,  Year Built: 2007,  Status: Open,  Structure Length: 9.39m (30.81ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: SWAN RIVER 102,  Facility Carried by Structure: S FERNDALE DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.187,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.8m (15.7ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.6m (77.4ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 11.17m (36.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $260,000,  Roadway Improvement Cost: $52,000,  Total Project Cost: $325,000,  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: P00052031+00211,  Location: BIG FORK (Lat: 48.060769,  Lng: -114.079908),  Route carried "on" structure: State highway 35,  Year Built: 1954,  Status: Open,  Structure Length: 6.70m (21.98ft),  Average Daily Traffic: 9,796 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 10,286 (year 2040),  Design Load: HS 15,  Features Intersected: SWAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 49.877,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 28.7m (94.2ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 35.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: October 2020,  Underwater Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: P00052040+08471,  Location: 1M E CRESTON (Lat: 48.188858,  Lng: -114.122308),  Route carried "on" structure: State highway 35,  Year Built: 1995,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 7,183 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 7,901 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 65.481,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  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: 12.0m (39.4ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: 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: April 2021,  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: P00082005+05831,  Location: 3M NW BIG FORK (Lat: 48.092425,  Lng: -114.115258),  Route carried "on" structure: State highway 82,  Year Built: 1955,  Status: Open,  Structure Length: 20.90m (68.57ft),  Average Daily Traffic: 8,274 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 9,474 (year 2040),  Design Load: HS 15,  Features Intersected: FLATHEAD RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.221,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 4,  Number Of Approach Spans: 2,  Length of Maximum Span: 54.9m (180.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.9m (29.2ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  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: 21.29m (69.85ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: October 2020,  Critical Feature Inspection Date: October 2020,  Underwater Inspection Date: August 2021,  Bridge Improvement Cost: $1,195,000,  Roadway Improvement Cost: $598,000,  Total Project Cost: $1,793,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete