I 15 over Int Seiben
Good Condition64 years old2,403 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 10m S Wolf Creek |
| Carries | I 15 |
| Crosses | Int Seiben |
| Coordinates | 46.88829, -112.11062 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 115.2 ft (35.1 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 442.3 sq m |
| Main Spans | 3 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 2,403 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015216+04822 |