I 90 over Int W Garrison-rr
Poor Condition47 years old5,232 vehicles/day
Location
| State | Montana |
| County | Powell |
| Location | Garrison |
| Carries | I 90 |
| Crosses | Int W Garrison-rr |
| Coordinates | 46.52248, -112.80964 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 709.6 ft (216.3 m) |
| Max Span | 107.0 ft (32.6 m) |
| Deck Width | 44.6 ft (13.6 m) |
| Deck Area | 2941.7 sq m |
| Main Spans | 7 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 5,232 (2023) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090174+03631 |