I 15 over Beaverhead River
Good Condition53 years old1,958 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 0.6m N Dillon |
| Carries | I 15 |
| Crosses | Beaverhead River |
| Coordinates | 45.22969, -112.64132 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 143.0 ft (43.6 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 584.2 sq m |
| Main Spans | 2 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 1,958 (2023) |
| Truck Traffic | 23% |
| Lanes On 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 | I00015064+00882 |