Structure 7043 · Madison County, MT
Carries Fishing Access over Irrigation Canal, 5m S Ennis.
Set by its lowest-rated component: Deck and Superstructure at 6 of 9.
How ratings work24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.
| State | Montana |
| County | Madison |
| Location | 5m S Ennis |
| Carries | Fishing Access |
| Crosses | Irrigation Canal |
| Coordinates | 45.29906, -111.75594 |
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 24.3 ft (7.4 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 36.3 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Other State Agencies |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | 000000000007043 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.