S 474 over Rr
Poor Condition67 years old1,397 vehicles/day
Location
| State | Montana |
| County | Missoula |
| Location | 4m SE Frenchtown |
| Carries | S 474 |
| Crosses | Rr |
| Coordinates | 46.96517, -114.18462 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 183.7 ft (56 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 464.8 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 1,397 (2023) |
| Truck Traffic | 1% |
| 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 | S00474000+06321 |