Jump to a detailed profile or search site with Google Custom Search

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


  • National Bridge Inventory (NBI) Statistics
  • 23Number of bridges
  • 341ft / 104mTotal length
  • $1,546,000Total costs
  • 72,701Total average daily traffic
  • 15,407Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Big Timber
  • No street view available for this location

New bridges in Big Timber, MT - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 31930-1939
  • 121980-1989
  • 11990-1999
  • 32000-2009
  • 22010-2019
  • 12020-2022
Average Bridge Daily Traffic in Big Timber, MT
Average Bridge Truck Traffic in Big Timber, MT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 72.2%Good
  • 16.7%Satisfactory
  • 11.1%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 5.6%Very good
  • 72.2%Good
  • 22.2%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 5.6%Very good
  • 38.9%Good
  • 38.9%Satisfactory
  • 16.7%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 23.1%Very good
  • 53.8%Good
  • 23.1%Satisfactory
Find on map >>   Show street view

Structure Number: 7078,  Location: 3.3M W HWY 191 (Lat: 46.046681,  Lng: -110.005400),  Route carried "on" structure: County highway 49012,  Year Built: 2007,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: WHEELER CREEK,  Facility Carried by Structure: WHEELER CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.402,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 35.4 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
Find on map >>   Show street view

Structure Number: 201904217,  Location: 4M SW FAIRVIEW (Lat: 47.827194,  Lng: -104.108806),  Route carried "on" structure: County highway 42211,  Year Built: 2018,  Status: Open,  Structure Length: 1.80m (5.91ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HL 93,  Features Intersected: SECOND HAY CREEK 065,  Facility Carried by Structure: COUNTY ROAD 211
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.362,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.7m (58.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 32.7 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 desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Precast Panels
Find on map >>   Show street view

Structure Number: 201904511,  Location: 4M N Big Timber (Lat: 45.886261,  Lng: -109.959350),  Route carried "on" structure: County highway 49011,  Year Built: 2019,  Status: Open,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HL 93,  Features Intersected: Big Timber Creek,  Facility Carried by Structure: SWAMP CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.124,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 35.4 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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Gravel,  Deck Protection: Galvanized Reinforcing
Find on map >>   Show street view

Structure Number: 202004523,  Location: East Big Timber (Lat: 45.834075,  Lng: -109.938392),  Route carried "on" structure: County highway 49103,  Year Built: 2020,  Status: Open,  Structure Length: 4.21m (13.81ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HL 93,  Features Intersected: Boulder River 029,  Facility Carried by Structure: Old Boulder Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.175,  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: 41.1m (134.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 50.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 32.7 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Precast Panels
Find on map >>   Show street view

Structure Number: I00090367+05231,  Location: 1.2M W BIG TIMBER (Lat: 45.825078,  Lng: -109.972881),  Route carried "on" structure: Interstate 90,  Year Built: 1981,  Status: Open,  Structure Length: 4.42m (14.50ft),  Average Daily Traffic: 9,368 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 10,024 (year 2040),  Design Load: HS 20,  Features Intersected: INT WEST BIG TIMBER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 588.169,  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: 21.9m (71.9ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 76.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: I00090367+05232,  Location: 1.2M W BIG TIMBER (Lat: 45.825353,  Lng: -109.972944),  Route carried "on" structure: Interstate 90,  Year Built: 1981,  Status: Open,  Structure Length: 4.42m (14.50ft),  Average Daily Traffic: 7,764 (year 2020),  Truck Traffic: 27%,  Average Future Daily Traffic: 8,152 (year 2040),  Design Load: HS 20,  Features Intersected: INT WEST BIG TIMBER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 588.346,  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: 21.9m (71.9ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 76.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: I00090369+00271,  Location: BIG TIMBER (Lat: 45.826328,  Lng: -109.945186),  Route carried "on" structure: Interstate 90,  Year Built: 1980,  Status: Open,  Structure Length: 12.07m (39.60ft),  Average Daily Traffic: 7,764 (year 2020),  Truck Traffic: 27%,  Average Future Daily Traffic: 8,152 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 590.326,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 34.1m (111.9ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 67.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: 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: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: I00090369+00272,  Location: BIG TIMBER (Lat: 45.826617,  Lng: -109.945222),  Route carried "on" structure: Interstate 90,  Year Built: 1980,  Status: Open,  Structure Length: 12.07m (39.60ft),  Average Daily Traffic: 7,764 (year 2020),  Truck Traffic: 27%,  Average Future Daily Traffic: 8,152 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 590.505,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 34.1m (111.9ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 67.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: 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: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: L49014000+05001,  Location: 3M NE BIG TIMBER (Lat: 45.856217,  Lng: -109.887294),  Route carried "on" structure: County highway 49014,  Year Built: 1923,  Year Reconstructed: 2001,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 154 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 162 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE 021,  Facility Carried by Structure: HOWIE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.317,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.3m (30.5ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 57.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: L49103000+07001,  Location: 1M E BIG TIMBER (Lat: 45.827036,  Lng: -109.934206),  Route carried "on" structure: ServiceCounty highway 49103,  Year Built: 1981,  Status: Open,  Structure Length: 8.71m (28.58ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: SEP I 90 008,  Facility Carried by Structure: OLD BOULDER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.122,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: P00045000+09831,  Location: 1M N BIG TIMBER (Lat: 45.846850,  Lng: -109.939897),  Route carried "on" structure: US 191,  Year Built: 1938,  Status: Open,  Structure Length: 11.58m (37.99ft),  Average Daily Traffic: 1,513 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,589 (year 2040),  Design Load: H 15,  Features Intersected: YELLOWSTONE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.564,  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: 3,  Number Of Approach Spans: 2,  Length of Maximum Span: 37.2m (122.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.3 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: September 2020,  Critical Feature Inspection Date: September 2020,  Underwater Inspection Date: September 2020,  Bridge Improvement Cost: $625,000,  Roadway Improvement Cost: $313,000,  Total Project Cost: $938,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: P00045001+07641,  Location: 2M N BIG TIMBER (Lat: 45.858036,  Lng: -109.939433),  Route carried "on" structure: US 191,  Year Built: 1997,  Status: Open,  Structure Length: 4.95m (16.24ft),  Average Daily Traffic: 1,298 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,363 (year 2040),  Design Load: HS 20,  Features Intersected: BIG TIMBER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.823,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 24.7m (81.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.7m (38.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 34.5 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: P00091002+06221,  Location: BIG TIMBER (Lat: 45.834794,  Lng: -109.935808),  Route carried "on" structure: State highway 91,  Year Built: 1938,  Status: Open,  Structure Length: 8.71m (28.58ft),  Average Daily Traffic: 2,244 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,356 (year 2040),  Design Load: H 15,  Features Intersected: BOULDER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.547,  Lanes on structure: 2,  Base Highway Network: Yes,  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: 3,  Number Of Approach Spans: 2,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.70m (31.82ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $553,000,  Roadway Improvement Cost: $55,000,  Total Project Cost: $608,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: P00091002+06681,  Location: BIG TIMBER (Lat: 45.834614,  Lng: -109.935222),  Route carried "on" structure: State highway 91,  Year Built: 1937,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 2,244 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,356 (year 2040),  Design Load: H 15,  Features Intersected: BOULDER RIVER OVERFLOW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.592,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 31.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  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
Find on map >>   Show street view

Structure Number: P00091003+00311,  Location: 2M E BIG TIMBER (Lat: 45.832069,  Lng: -109.908850),  Route carried "on" structure: State highway 91,  Year Built: 1981,  Status: Open,  Structure Length: 9.84m (32.28ft),  Average Daily Traffic: 2,244 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,356 (year 2040),  Design Load: HS 20,  Features Intersected: INT EAST BIG TIMBER I 90
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.743,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 34.1m (111.9ft),  Curb-To-Curb Width: 13.2m (43.3ft),  Out-to-Out Width: 14.1m (46.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 73.4 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,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: S00298000+08841,  Location: BIG TIMBER (Lat: 45.826339,  Lng: -109.948597),  Route carried "on" structure: State highway 298,  Year Built: 1980,  Status: Open,  Structure Length: 12.04m (39.50ft),  Average Daily Traffic: 614 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 645 (year 2040),  Design Load: HS 20,  Features Intersected: SEP I 90,  Facility Carried by Structure: MAIN BOULDER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.231,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 42.7m (140.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 9.6m (31.5ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 38.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 30.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: S00478000+02001,  Location: 1M NE BIG TIMBER (Lat: 45.854297,  Lng: -109.933444),  Route carried "on" structure: County highway 478,  Year Built: 2004,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 593 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 640 (year 2040),  Design Load: HS 20,  Features Intersected: BIG TIMBER CREEK,  Facility Carried by Structure: HOWIE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.479,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.5m (21.3ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 54.4 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: 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: June 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: S00478001+07001,  Location: 2M NE BIG TIMBER (Lat: 45.857222,  Lng: -109.903328),  Route carried "on" structure: County highway 478,  Year Built: 2000,  Status: Open,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 593 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 640 (year 2040),  Design Load: HS 20,  Features Intersected: OTTER CREEK,  Facility Carried by Structure: HOWIE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.884,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.4m (27.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 34.4 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: I00090367+05231,  Location: 12M W BIG TIMBER (Lat: 45.825078,  Lng: -109.972881),  Route carried "under" structure: ServiceUS 91,  Year Built: 1981,  Structure Length: 0. m,  Average Daily Traffic: 2,376 (year 2020),  Truck Traffic: 5%,  Features Intersected: INT WEST BIG TIMBER,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.93m (16.17ft),  Kilometerpoint: 0.002,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

Find on map >>   Show street view

Structure Number: I00090367+05232,  Location: 12M W BIG TIMBER (Lat: 45.825353,  Lng: -109.972944),  Route carried "under" structure: US 91,  Year Built: 1981,  Structure Length: 0. m,  Average Daily Traffic: 2,376 (year 2020),  Truck Traffic: 5%,  Features Intersected: INT WEST BIG TIMBER,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 5.59m (18.34ft),  Kilometerpoint: 0.033,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

Find on map >>   Show street view

Structure Number: L49103000+07001,  Location: 1M E BIG TIMBER (Lat: 45.827036,  Lng: -109.934206),  Route carried "under" structure: Interstate 90,  Year Built: 1981,  Structure Length: 0. m,  Average Daily Traffic: 7,764 (year 2020),  Truck Traffic: 27%,  Features Intersected: SEP I 90 008,  Facility Carried by Structure: OLD BOULDER RD
Minimum Vertical Clearance: 5.43m (17.81ft),  Kilometerpoint: 591.183,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.5m (100.1ft)

Find on map >>   Show street view

Structure Number: P00091003+00311,  Location: 2M E BIG TIMBER (Lat: 45.832069,  Lng: -109.908850),  Route carried "under" structure: Interstate 90,  Year Built: 1981,  Structure Length: 0. m,  Average Daily Traffic: 7,764 (year 2020),  Truck Traffic: 27%,  Features Intersected: INT EAST BIG TIMBER I 90,  Facility Carried by Structure: S 91
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 593.224,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 34.1m (111.9ft)

Find on map >>   Show street view

Structure Number: S00298000+08841,  Location: BIG TIMBER (Lat: 45.826339,  Lng: -109.948597),  Route carried "under" structure: Interstate 90,  Year Built: 1980,  Structure Length: 0. m,  Average Daily Traffic: 7,764 (year 2020),  Truck Traffic: 27%,  Features Intersected: SEP I 90,  Facility Carried by Structure: MAIN BOULDER RD
Minimum Vertical Clearance: 5.28m (17.32ft),  Kilometerpoint: 590.059,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 42.7m (140.1ft)

Discuss Big Timber, Montana (MT) on our hugely popular Montana forum.


City-data.com does not guarantee the accuracy or timeliness of any information on this site.  Use at your own risk.
Some parts © 2024 Advameg, Inc.