US 93 over Lost Horse Creek
Good Condition36 years old4,628 vehicles/day
Location
| State | Montana |
| County | Ravalli |
| Location | 7m N Darby |
| Carries | US 93 |
| Crosses | Lost Horse Creek |
| Coordinates | 46.11333, -114.18017 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 163.1 ft (49.7 m) |
| Max Span | 80.7 ft (24.6 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 641.1 sq m |
| Main Spans | 2 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 4,628 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00007037+05961 |