SR 138 (pearblssm) over Big Rock Wash
Good Condition19 years old12,800 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-138-61.70 |
| Carries | SR 138 (pearblssm) |
| Crosses | Big Rock Wash |
| Coordinates | 34.50601, -117.84743 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 328.1 ft (100 m) |
| Max Span | 131.2 ft (40 m) |
| Deck Width | 81.7 ft (24.9 m) |
| Deck Area | 2,490 sq m |
| Main Spans | 3 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 12,800 (2019) |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53 2980 |