I 15 over Int N Cascade
Good Condition65 years old2,455 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | Cascade |
| Carries | I 15 |
| Crosses | Int N Cascade |
| Coordinates | 47.28002, -111.69907 |
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 | 124.0 ft (37.8 m) |
| Max Span | 46.6 ft (14.2 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 544.3 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 2,455 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015256+04831 |