IRR - S 39 over Rr
Fair Condition43 years old833 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 21m NW Of Colstrip |
| Carries | IRR - S 39 |
| Crosses | Rr |
| Coordinates | 46.14967, -106.79239 |
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 | 215.2 ft (65.6 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 846.2 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 833 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00039043+06251 |