Dam Road over Cascade Dam Spillway
Fair Condition79 years old100 vehicles/day
Location
| State | Idaho |
| County | Valley |
| Location | Cascade Dam |
| Carries | Dam Road |
| Crosses | Cascade Dam Spillway |
| Coordinates | 44.52463, -116.04958 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 22.3 ft (6.8 m) |
| Deck Width | 13.1 ft (4 m) |
| Deck Area | 58.4 sq m |
| Main Spans | 2 |
| Year Built | 1947 |
Traffic
| Avg Daily Traffic | 100 (2020) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Reclamation |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 15CAS001 |