Big Lake CR over Big Hole River 090
Fair Condition49 years old100 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 8m NW Jackson |
| Carries | Big Lake CR |
| Crosses | Big Hole River 090 |
| Coordinates | 45.47756, -113.48061 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 18.0 ft (5.5 m) |
| Deck Area | 85.2 sq m |
| Main Spans | 2 |
| Year Built | 1977 (reconstructed 2005) |
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 | L01083001+06001 |