Sierra HWY over Unnamed Wash
Good Condition105 years old4,141 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | Mm 4.00 |
| Carries | Sierra HWY |
| Crosses | Unnamed Wash |
| Coordinates | 34.76253, -118.14675 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 61.4 ft (18.7 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 62.7 ft (19.1 m) |
| Deck Area | 357.2 sq m |
| Main Spans | 4 |
| Year Built | 1921 (reconstructed 1931) |
Traffic
| Avg Daily Traffic | 4,141 (2018) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53C0386 |