I 15 over Int Jackson-hwy 278
Good Condition44 years old2,863 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 3.7m S Dillon |
| Carries | I 15 |
| Crosses | Int Jackson-hwy 278 |
| Coordinates | 45.17937, -112.69345 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 128.0 ft (39 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 522.6 sq m |
| Main Spans | 3 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 2,863 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015059+07112 |