Sundance Bench RD over Madison River 046
Fair Condition124 years old100 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 31m S Ennis |
| Carries | Sundance Bench RD |
| Crosses | Madison River 046 |
| Coordinates | 44.88870, -111.58061 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 300.2 ft (91.5 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 14.8 ft (4.5 m) |
| Deck Area | 411.8 sq m |
| Main Spans | 3 |
| Year Built | 1902 (reconstructed 2005) |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L29220000+01001 |