I 90 over Rr
Fair Condition54 years old3,736 vehicles/day
Location
| State | Montana |
| County | Big Horn |
| Location | 14.9m W Hardin |
| Carries | I 90 |
| Crosses | Rr |
| Coordinates | 45.76702, -107.91631 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 184.1 ft (56.1 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 751.7 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 3,736 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00090480+08971 |