Rock Creek RD over Big Lake Creek 081
Poor Condition68 years old100 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 4m SW Wisdom |
| Carries | Rock Creek RD |
| Crosses | Big Lake Creek 081 |
| Coordinates | 45.55220, -113.49559 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 2 — Bridge closed (monitoring) |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 52.7 sq m |
| Main Spans | 1 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L01015000+02001 |