Nf-581 over S Fork Musselshell 026
Good Condition39 years old100 vehicles/day
Location
| State | Montana |
| County | Meagher |
| Location | Lennep |
| Carries | Nf-581 |
| Crosses | S Fork Musselshell 026 |
| Coordinates | 46.41319, -110.54369 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 149.3 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L30086000+01001 |