S 324 over Clark Canyon Dam Splwy
Fair Condition64 years old396 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | Clark Canyon Dam |
| Carries | S 324 |
| Crosses | Clark Canyon Dam Splwy |
| Coordinates | 45.00191, -112.86081 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 72.5 ft (22.1 m) |
| Max Span | 36.7 ft (11.2 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 225.4 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 396 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00324001+00001 |