Silver Butte RD over Fisher River 075
Good Condition88 years old100 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | 18m SE Libby |
| Carries | Silver Butte RD |
| Crosses | Fisher River 075 |
| Coordinates | 48.02506, -115.34939 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 18.0 ft (5.5 m) |
| Deck Area | 112.2 sq m |
| Main Spans | 3 |
| Year Built | 1938 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
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 | L27311000+01001 |