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

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


  • National Bridge Inventory (NBI) Statistics
  • 35Number of bridges
  • 535ft / 163mTotal length
  • $387,000Total costs
  • 130,646Total average daily traffic
  • 27,598Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Garrison
  • No street view available for this location

New bridges in Garrison, MT - historical statistics
  • New bridges - historical statistics
  • 11940-1949
  • 51950-1959
  • 241970-1979
  • 11980-1989
  • 32000-2009
  • 12010-2019
Reconstructed bridges in Garrison, MT - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 31990-1999
  • 12000-2009
Average Bridge Daily Traffic in Garrison, MT
Average Bridge Truck Traffic in Garrison, MT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 54.5%Good
  • 45.5%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 4.5%Very good
  • 54.5%Good
  • 31.8%Satisfactory
  • 9.1%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 31.8%Good
  • 36.4%Satisfactory
  • 22.7%Fair
  • 9.1%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 25.0%Very good
  • 12.5%Good
  • 50.0%Satisfactory
  • 12.5%Fair
Find on map >>   Show street view

Structure Number: I00090166+02721,  Location: GOLD CREEK (Lat: 46.591964,  Lng: -112.928264),  Route carried "on" structure: Interstate 90,  Year Built: 1959,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 7,940 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 8,337 (year 2040),  Design Load: HS 20,  Features Intersected: INT GOLD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 265.979,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 38.1 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: I00090166+02722,  Location: GOLD CREEK (Lat: 46.592194,  Lng: -112.928239),  Route carried "on" structure: Interstate 90,  Year Built: 1959,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 7,940 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 8,337 (year 2040),  Design Load: HS 20,  Features Intersected: INT GOLD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 266.013,  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: 18.6m (61.0ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 39.0 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: I00090170+00051,  Location: 4.3M W GARRISON (Lat: 46.556733,  Lng: -112.875328),  Route carried "on" structure: Interstate 90,  Year Built: 1973,  Status: Open,  Structure Length: 7.62m (25.00ft),  Average Daily Traffic: 7,940 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 8,337 (year 2040),  Design Load: HS 20,  Features Intersected: RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 271.961,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 26.5m (86.9ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Poor,  Operating Rating: 77.1 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: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than 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: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: I00090170+00052,  Location: 4.3M W GARRISON (Lat: 46.556931,  Lng: -112.874906),  Route carried "on" structure: Interstate 90,  Year Built: 1973,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 8.07m (26.48ft),  Average Daily Traffic: 7,940 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 8,337 (year 2040),  Design Load: HS 20,  Features Intersected: RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 272.025,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.0m (91.9ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Poor,  Operating Rating: 77.1 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: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than 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: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: I00090170+02411,  Location: 3.7M W GARRISON (Lat: 46.556572,  Lng: -112.870206),  Route carried "on" structure: Interstate 90,  Year Built: 1973,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 8,741 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 9,178 (year 2040),  Design Load: HS 20,  Features Intersected: INT PHOSPHATE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 272.354,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.0 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: 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: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: I00090170+02412,  Location: 3.7M W GARRISON (Lat: 46.556781,  Lng: -112.870117),  Route carried "on" structure: Interstate 90,  Year Built: 1973,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 8,741 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 9,178 (year 2040),  Design Load: HS 20,  Features Intersected: INT PHOSPHATE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 272.392,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 29.9 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: 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: Epoxy Overlay
Find on map >>   Show street view

Structure Number: I00090171+07791,  Location: 2.5M W GARRISON (Lat: 46.542303,  Lng: -112.846961),  Route carried "on" structure: Interstate 90,  Year Built: 1973,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 8,741 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 9,178 (year 2040),  Design Load: HS 20,  Features Intersected: SEP GARRISON FRONTAGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 274.846,  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: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 43.5 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: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place
Find on map >>   Show street view

Structure Number: I00090171+07792,  Location: 2.5M W GARRISON (Lat: 46.542611,  Lng: -112.846808),  Route carried "on" structure: Interstate 90,  Year Built: 1973,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 8,741 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 9,178 (year 2040),  Design Load: HS 20,  Features Intersected: SEP GARRISON FRONTAGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 274.886,  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: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 43.5 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: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place
Find on map >>   Show street view

Structure Number: I00090174+03631,  Location: GARRISON (Lat: 46.522475,  Lng: -112.809636),  Route carried "on" structure: Interstate 90,  Year Built: 1979,  Status: Open,  Structure Length: 21.63m (70.96ft),  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 7,861 (year 2040),  Design Load: HS 20,  Features Intersected: INT W GARRISON-RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 279.048,  Lanes on structure: 2,  Lanes under structure: 8,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 32.6m (107.0ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 52.6 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: Somewhat better than minimum adequacy,  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 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
Find on map >>   Show street view

Structure Number: I00090174+03632,  Location: GARRISON (Lat: 46.522581,  Lng: -112.809111),  Route carried "on" structure: Interstate 90,  Year Built: 1979,  Status: Open,  Structure Length: 21.63m (70.96ft),  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 7,861 (year 2040),  Design Load: HS 20,  Features Intersected: INT W GARRISISON-RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 279.123,  Lanes on structure: 2,  Lanes under structure: 4,  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: 7,  Length of Maximum Span: 32.6m (107.0ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
Find on map >>   Show street view

Structure Number: I00090175+02151,  Location: 1.2M S GARRISON (Lat: 46.515481,  Lng: -112.795786),  Route carried "on" structure: Interstate 90,  Year Built: 1979,  Status: Open,  Structure Length: 4.04m (13.25ft),  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 7,861 (year 2040),  Design Load: HS 20,  Features Intersected: LITTLE BLACKFOOT RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 280.369,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 58.0 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 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: I00090175+02152,  Location: 1.2M S GARRISON (Lat: 46.515697,  Lng: -112.795500),  Route carried "on" structure: Interstate 90,  Year Built: 1979,  Status: Open,  Structure Length: 3.99m (13.09ft),  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 7,861 (year 2040),  Design Load: HS 20,  Features Intersected: LITTLE BLACKFOOT RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 280.421,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 58.0 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 48 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: I00090175+05331,  Location: 1.2M S GARRISON (Lat: 46.513633,  Lng: -112.789697),  Route carried "on" structure: Interstate 90,  Year Built: 1979,  Status: Open,  Structure Length: 18.22m (59.78ft),  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 7,861 (year 2040),  Design Load: HS 20,  Features Intersected: INT E GARRISON-RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 280.888,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 61.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 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: High priority of corrective action,  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: Epoxy Overlay
Find on map >>   Show street view

Structure Number: I00090175+05332,  Location: 1.2M S GARRISON (Lat: 46.513978,  Lng: -112.790003),  Route carried "on" structure: Interstate 90,  Year Built: 1979,  Status: Open,  Structure Length: 17.73m (58.17ft),  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 7,861 (year 2040),  Design Load: HS 20,  Features Intersected: INT E GARRISON-RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 280.891,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 61.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.2 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: High priority of corrective action,  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: Epoxy Overlay
Find on map >>   Show street view

Structure Number: L39017001+07001,  Location: 5M NW DEER LODGE (Lat: 46.466797,  Lng: -112.865125),  Route carried "on" structure: County highway 17,  Year Built: 2007,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20,  Features Intersected: ROCK CREEK 078,  Facility Carried by Structure: N OLD STAGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.677,  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: 14.9m (48.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 67.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.4 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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Other
Find on map >>   Show street view

Structure Number: L39027000+04001,  Location: GARRISON (Lat: 46.519703,  Lng: -112.807983),  Route carried "on" structure: County highway 39015,  Year Built: 2006,  Status: Open,  Structure Length: 5.13m (16.83ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: CLARK FORK RIVER 026,  Facility Carried by Structure: SAWMILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.386,  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: 2,  Length of Maximum Span: 25.2m (82.7ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 57.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 31.4 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 4.80m (15.75ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $118,000,  Roadway Improvement Cost: $24,000,  Total Project Cost: $148,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: L39040000+06001,  Location: GARRISON (Lat: 46.519600,  Lng: -112.819322),  Route carried "on" structure: Spur County highway 39025,  Year Built: 2006,  Status: Open,  Structure Length: 1.88m (6.17ft),  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 100 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: ROCK CREEK 047,  Facility Carried by Structure: SAWMILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.854,  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: 18.0m (59.1ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 57.2 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: Better than present minimum criteria,  Length Of Structure Improvement: 2.08m (6.82ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $60,000,  Roadway Improvement Cost: $12,000,  Total Project Cost: $74,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: L39248000+02001,  Location: GOLD CREEK (Lat: 46.589975,  Lng: -112.928350),  Route carried "on" structure: County highway 39248,  Year Built: 1982,  Status: Open,  Structure Length: 6.09m (19.98ft),  Average Daily Traffic: 243 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 255 (year 2040),  Design Load: HS 20,  Features Intersected: CLARK FORK RIVER 032,  Facility Carried by Structure: GOLD CREEK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.320,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.0m (26.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.3m (96.1ft),  Curb-To-Curb Width: 8.7m (28.5ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: L39249000+02001,  Location: 4M SE GARRISON (Lat: 46.489481,  Lng: -112.726239),  Route carried "on" structure: ServiceCounty highway 39249,  Year Built: 1978,  Year Reconstructed: 2014,  Status: Open,  Structure Length: 9.27m (30.41ft),  Average Daily Traffic: 46 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 48 (year 2040),  Design Load: HL 93,  Features Intersected: INT BECKHILL I 90 008,  Facility Carried by Structure: BECK HILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.131,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 46.3m (151.9ft),  Curb-To-Curb Width: 9.6m (31.5ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Better than 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: Epoxy Overlay
Find on map >>   Show street view

Structure Number: L39249003+06001,  Location: 3M E GARRISON (Lat: 46.537211,  Lng: -112.724297),  Route carried "on" structure: County highway 39249,  Year Built: 2011,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 46 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 48 (year 2040),  Design Load: HL 93,  Features Intersected: LITTLE BLACKFOOT R 023,  Facility Carried by Structure: BECK HILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.878,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.4m (24.3ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 34.7m (113.8ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 69.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 53.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.60m (8.53ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $110,000,  Roadway Improvement Cost: $55,000,  Total Project Cost: $165,000,  Deck Structure Type: Other
Find on map >>   Show street view

Structure Number: P00088000+06091,  Location: GARRISON (Lat: 46.524419,  Lng: -112.798392),  Route carried "on" structure: State highway 88,  Year Built: 1949,  Status: Open,  Structure Length: 6.21m (20.37ft),  Average Daily Traffic: 1,372 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 1,441 (year 2040),  Design Load: HS 20,  Features Intersected: RR,  Facility Carried by Structure: US 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.034,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 9.9m (32.5ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: October 2020,  Other Special Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place
Find on map >>   Show street view

Structure Number: P00088001+00271,  Location: GARRISON (Lat: 46.519422,  Lng: -112.793542),  Route carried "on" structure: State highway 88,  Year Built: 1952,  Status: Open,  Structure Length: 4.28m (14.04ft),  Average Daily Traffic: 1,372 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 1,441 (year 2040),  Design Load: HS 20,  Features Intersected: LITTLE BLACKFOOT RIVER,  Facility Carried by Structure: US 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.703,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.4m (50.5ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 37.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete
Find on map >>   Show street view

Structure Number: I00090166+02721,  Location: GOLD CREEK (Lat: 46.591964,  Lng: -112.928264),  Route carried "under" structure: ServiceCounty highway 39248,  Year Built: 1959,  Structure Length: 0. m,  Average Daily Traffic: 243 (year 2020),  Truck Traffic: 3%,  Features Intersected: INT GOLD CREEK,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.87m (15.98ft),  Kilometerpoint: 0.101,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.6m (61.0ft)

Find on map >>   Show street view

Structure Number: I00090166+02722,  Location: GOLD CREEK (Lat: 46.592194,  Lng: -112.928239),  Route carried "under" structure: ServiceCounty highway 39248,  Year Built: 1959,  Structure Length: 0. m,  Average Daily Traffic: 243 (year 2020),  Truck Traffic: 3%,  Features Intersected: INT GOLD CREEK,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.50m (14.76ft),  Kilometerpoint: 0.075,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.6m (61.0ft)

Find on map >>   Show street view

Structure Number: I00090170+02411,  Location: 37M W GARRISON (Lat: 46.556572,  Lng: -112.870206),  Route carried "under" structure: ServiceCounty highway 39016,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: INT PHOSPHATE,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.65m (15.26ft),  Kilometerpoint: 0.055,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.0m (45.9ft)

Find on map >>   Show street view

Structure Number: I00090170+02412,  Location: 37M W GARRISON (Lat: 46.556781,  Lng: -112.870117),  Route carried "under" structure: ServiceCounty highway 39016,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: INT PHOSPHATE,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.60m (15.09ft),  Kilometerpoint: 0.080,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.4m (57.1ft)

Find on map >>   Show street view

Structure Number: I00090171+07791,  Location: 25M W GARRISON (Lat: 46.542303,  Lng: -112.846961),  Route carried "under" structure: ServiceCounty highway 39092,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: SEP GARRISON FRONTAGE RD,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.50m (14.76ft),  Kilometerpoint: 5.035,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Length of Maximum Span: 9.1m (29.9ft)

Find on map >>   Show street view

Structure Number: I00090171+07792,  Location: 25M W GARRISON (Lat: 46.542611,  Lng: -112.846808),  Route carried "under" structure: ServiceCounty highway 39092,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: SEP GARRISON FRONTAGE RD,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 4.50m (14.76ft),  Kilometerpoint: 5.072,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Length of Maximum Span: 9.1m (29.9ft)

Find on map >>   Show street view

Structure Number: I00090174+03631,  Location: GARRISON (Lat: 46.522475,  Lng: -112.809636),  Route carried "under" structure: US 88,  Year Built: 1979,  Structure Length: 0. m,  Average Daily Traffic: 2,152 (year 2020),  Truck Traffic: 8%,  Features Intersected: INT W GARRISON-RR,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.777,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)

Find on map >>   Show street view

Structure Number: I00090174+03631,  Location: GARRISON (Lat: 46.522475,  Lng: -112.809636),  Route carried "under" structure: Ramp Interstate 90,  Year Built: 1979,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: INT W GARRISON-RR
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)

Find on map >>   Show street view

Structure Number: I00090174+03632,  Location: GARRISON (Lat: 46.522581,  Lng: -112.809111),  Route carried "under" structure: Ramp Interstate 90,  Year Built: 1979,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2022),  Truck Traffic: 3%,  Features Intersected: INT W GARRISISON-RR
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)

Find on map >>   Show street view

Structure Number: I00090174+03632,  Location: GARRISON (Lat: 46.522581,  Lng: -112.809111),  Route carried "under" structure: US 88,  Year Built: 1979,  Structure Length: 0. m,  Average Daily Traffic: 2,152 (year 2020),  Truck Traffic: 8%,  Features Intersected: INT W GARRISISON-RR,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.803,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)

Find on map >>   Show street view

Structure Number: I00090175+05331,  Location: 12M S GARRISON (Lat: 46.513633,  Lng: -112.789697),  Route carried "under" structure: US 12,  Year Built: 1979,  Structure Length: 0. m,  Average Daily Traffic: 1,372 (year 2020),  Truck Traffic: 12%,  Features Intersected: INT E GARRISON-RR,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 8.00m (26.25ft),  Kilometerpoint: 2.417,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 45.1m (148.0ft)

Find on map >>   Show street view

Structure Number: I00090175+05332,  Location: 12M S GARRISON (Lat: 46.513978,  Lng: -112.790003),  Route carried "under" structure: US 12,  Year Built: 1979,  Structure Length: 0. m,  Average Daily Traffic: 1,372 (year 2020),  Truck Traffic: 12%,  Features Intersected: INT E GARRISON-RR,  Facility Carried by Structure: I 90
Minimum Vertical Clearance: 7.41m (24.31ft),  Kilometerpoint: 2.374,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 45.1m (148.0ft)

Find on map >>   Show street view

Structure Number: L39249000+02001,  Location: 4M SE GARRISON (Lat: 46.489481,  Lng: -112.726239),  Route carried "under" structure: Interstate 90,  Year Built: 1978,  Structure Length: 0. m,  Average Daily Traffic: 7,487 (year 2020),  Truck Traffic: 24%,  Features Intersected: INT BECKHILL I 90 008,  Facility Carried by Structure: BECK HILL RD
Minimum Vertical Clearance: 7.41m (24.31ft),  Kilometerpoint: 286.688,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 46.3m (151.9ft)

Discuss Garrison, 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.