I 15 over Int S Cascade
Good Condition48 years old2,190 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | Cascade |
| Carries | I 15 |
| Crosses | Int S Cascade |
| Coordinates | 47.26047, -111.70827 |
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 | 133.9 ft (40.8 m) |
| Max Span | 56.4 ft (17.2 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 550.8 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 2,190 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015254+09422 |