I 15 over Sep Galena Gulch Road
Fair Condition45 years old3,856 vehicles/day
Location
| State | Montana |
| County | Jefferson |
| Location | 4.3m E Basin |
| Carries | I 15 |
| Crosses | Sep Galena Gulch Road |
| Coordinates | 46.25415, -112.18100 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 88.3 ft (26.9 m) |
| Deck Area | 640.2 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 3,856 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015161+01511 |