I 15 over Int Manchester
Fair Condition66 years old4,555 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 4m S Vaughn |
| Carries | I 15 |
| Crosses | Int Manchester |
| Coordinates | 47.54629, -111.45218 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 109.9 ft (33.5 m) |
| Max Span | 36.4 ft (11.1 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 422.1 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 4,555 (2023) |
| Truck Traffic | 11% |
| 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 | I00015286+05751 |