US 12 over Dean Creek
Fair Condition91 years old441 vehicles/day
Location
| State | Montana |
| County | Musselshell |
| Location | 6m E Lavina |
| Carries | US 12 |
| Crosses | Dean Creek |
| Coordinates | 46.30989, -108.80727 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 190.3 sq m |
| Main Spans | 4 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 441 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00014152+03891 |