US 93 over Bitterroot River
Fair Condition77 years old6,979 vehicles/day
Location
| State | Montana |
| County | Ravalli |
| Location | 3m S Hamilton |
| Carries | US 93 |
| Crosses | Bitterroot River |
| Coordinates | 46.19869, -114.16836 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 301.8 ft (92 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 901.6 sq m |
| Main Spans | 4 |
| Year Built | 1949 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 6,979 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00007043+06661 |