US 12 over Missouri River
Fair Condition91 years old6,843 vehicles/day
Location
| State | Montana |
| County | Broadwater |
| Location | 1m N Townsend |
| Carries | US 12 |
| Crosses | Missouri River |
| Coordinates | 46.33518, -111.53173 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 500.0 ft (152.4 m) |
| Max Span | 107.0 ft (32.6 m) |
| Deck Width | 50.9 ft (15.5 m) |
| Deck Area | 2362.2 sq m |
| Main Spans | 5 |
| Year Built | 1935 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 6,843 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00008076+03431 |