IRR - S 39 over Rr
Fair Condition43 years old787 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 16m NW Colstrip |
| Carries | IRR - S 39 |
| Crosses | Rr |
| Coordinates | 46.08964, -106.74598 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 393.0 ft (119.8 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 1545.4 sq m |
| Main Spans | 2 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 787 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00039038+07711 |