US 287 over Madison River Overflow
Good Condition25 years old4,500 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | SE Ennis |
| Carries | US 287 |
| Crosses | Madison River Overflow |
| Coordinates | 45.34501, -111.71909 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 66.6 ft (20.3 m) |
| Max Span | 26.2 ft (8 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 257.8 sq m |
| Main Spans | 3 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 4,500 (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 | P00013048+03761 |