IRR - S 39 over Sheep Creek
Fair Condition44 years old787 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 16m NW Colstrip |
| Carries | IRR - S 39 |
| Crosses | Sheep Creek |
| Coordinates | 46.08806, -106.74397 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 46.3 ft (14.1 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 155.1 sq m |
| Main Spans | 3 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 787 (2023) |
| Truck Traffic | 8% |
| 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 | P00039038+06861 |