Tobacco Siding RD over Tobacco River 146
Fair Condition76 years old100 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | 6m SE Eureka |
| Carries | Tobacco Siding RD |
| Crosses | Tobacco River 146 |
| Coordinates | 48.83285, -114.97188 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Girder and Floorbeam |
| Total Length | 44.9 ft (13.7 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 79.5 sq m |
| Main Spans | 1 |
| Year Built | 1950 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L27077000+04001 |