I 15 over Sep County Road
Fair Condition50 years old1,520 vehicles/day
Location
| State | Montana |
| County | Toole |
| Location | 1m S Shelby |
| Carries | I 15 |
| Crosses | Sep County Road |
| Coordinates | 48.49988, -111.88321 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 317.2 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 1,520 (2023) |
| Truck Traffic | 29% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015362+01851 |