Simms Fairfield RD over Sun River
Good Condition43 years old475 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | Simms |
| Carries | Simms Fairfield RD |
| Crosses | Sun River |
| Coordinates | 47.50216, -111.93279 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very 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 | 378.9 ft (115.5 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 1212.8 sq m |
| Main Spans | 4 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 475 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00565000+04501 |