US 191 over Missouri River
Poor Condition67 years old655 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | 29m NE Roy |
| Carries | US 191 |
| Crosses | Missouri River |
| Coordinates | 47.63068, -108.68487 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 697.8 ft (212.7 m) |
| Max Span | 180.1 ft (54.9 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 2063.2 sq m |
| Main Spans | 4 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 655 (2023) |
| Truck Traffic | 6% |
| 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 | P00061088+00671 |