I 15 over Beaverhead River
Good Condition46 years old2,185 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 5m N Clark Canyon Dam |
| Carries | I 15 |
| Crosses | Beaverhead River |
| Coordinates | 45.06591, -112.80173 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 153.9 ft (46.9 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 44.9 ft (13.7 m) |
| Deck Area | 642.5 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 2,185 (2023) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015049+07602 |