Sinclair Creek RD over Sinclair Creek 161
Good Condition49 years old100 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | 3m NE Eureka |
| Carries | Sinclair Creek RD |
| Crosses | Sinclair Creek 161 |
| Coordinates | 48.89085, -114.98637 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 53.3 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
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 | L27102006+04001 |