IRR - S 39 over Int Colstrip I 94
Fair Condition59 years old833 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 6m W Forsyth |
| Carries | IRR - S 39 |
| Crosses | Int Colstrip I 94 |
| Coordinates | 46.24994, -106.81615 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 248.4 ft (75.7 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 764.6 sq m |
| Main Spans | 5 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 833 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
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 | P00039051+02161 |