Lyons Creek RD over Lyons Creek 157
Good Condition36 years old100 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 5m S Wolf Creek |
| Carries | Lyons Creek RD |
| Crosses | Lyons Creek 157 |
| Coordinates | 46.93821, -112.12597 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Aluminum/Wrought Iron/Cast Iron |
| Design | Culvert |
| Total Length | 23.6 ft (7.2 m) |
| Max Span | 23.6 ft (7.2 m) |
| Deck Area | 54.7 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L25233000+03001 |