Twin Lakes RD over Big Hole River 080
Fair Condition27 years old100 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 6m S Wisdom |
| Carries | Twin Lakes RD |
| Crosses | Big Hole River 080 |
| Coordinates | 45.52669, -113.48376 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| 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 | 86.3 ft (26.3 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 207.8 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L01012001+05001 |