IRR - S 39 over Rr-power Plant Road
Fair Condition45 years old1,250 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | South Edge Colstrip |
| Carries | IRR - S 39 |
| Crosses | Rr-power Plant Road |
| Coordinates | 45.87475, -106.62661 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 260.8 ft (79.5 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 1025.5 sq m |
| Main Spans | 4 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 1,250 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00039022+01521 |