Sweetwater RD over Ruby River 059
Fair Condition28 years old100 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 11m S Alder |
| Carries | Sweetwater RD |
| Crosses | Ruby River 059 |
| Coordinates | 45.15171, -112.14756 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 84.0 ft (25.6 m) |
| Max Span | 84.0 ft (25.6 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 204.8 sq m |
| Main Spans | 1 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L29180000+05001 |