Structure L56533002+07001 · Yellowstone County, MT
Carries Canyon Creek RD over Canyon Creek 042, 9m NW Laurel.
24 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 tee-beam bridge.
| State | Montana |
| County | Yellowstone |
| Location | 9m NW Laurel |
| Carries | Canyon Creek RD |
| Crosses | Canyon Creek 042 |
| Coordinates | 45.78780, -108.86753 |
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 45.3 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Last Inspection | May 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 3 — Scour critical |
| Structure Number | L56533002+07001 |
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.