US 12 over O`fallon Creek
Fair Condition55 years old516 vehicles/day
Location
| State | Montana |
| County | Fallon |
| Location | 11m W Plevna |
| Carries | US 12 |
| Crosses | O`fallon Creek |
| Coordinates | 46.42097, -104.76067 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 187.0 ft (57 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 701.1 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 516 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00002058+08011 |