I 15 over Sep Gunderson RD
Fair Condition54 years old2,026 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 2m S Power |
| Carries | I 15 |
| Crosses | Sep Gunderson RD |
| Coordinates | 47.68354, -111.63214 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 143.0 ft (43.6 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 584.2 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 2,026 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015300+02332 |