Parker Dam RD over Copper Basin Wash
Fair Condition86 years old1,500 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 5.7 Mi S/o Parker Dam |
| Carries | Parker Dam RD |
| Crosses | Copper Basin Wash |
| Coordinates | 34.24735, -114.17920 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 68.6 sq m |
| Main Spans | 2 |
| Year Built | 1940 (reconstructed 1959) |
Traffic
| Avg Daily Traffic | 1,500 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54C0505 |