S 41 over Beaverhead River
Fair Condition77 years old2,403 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 12m SW Twin Bridges |
| Carries | S 41 |
| Crosses | Beaverhead River |
| Coordinates | 45.38337, -112.45320 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 152.9 ft (46.6 m) |
| Max Span | 74.5 ft (22.7 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 452.0 sq m |
| Main Spans | 2 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 2,403 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00049014+06711 |