I 15 over Sep Lyons Creek Road
Good Condition62 years old2,555 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 6m S Wolf Creek |
| Carries | I 15 |
| Crosses | Sep Lyons Creek Road |
| Coordinates | 46.93823, -112.12676 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 133.9 ft (40.8 m) |
| Max Span | 51.5 ft (15.7 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 440.6 sq m |
| Main Spans | 3 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 2,555 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015220+04981 |