IRR - S 39 over Armells Creek
Fair Condition43 years old833 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 22m NW Of Colstrip |
| Carries | IRR - S 39 |
| Crosses | Armells Creek |
| Coordinates | 46.15083, -106.79553 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 214.6 ft (65.4 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 843.7 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+07941 |