State Route 138 over California Aqueduct
Fair Condition58 years old3,050 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-138-14.60 |
| Carries | State Route 138 |
| Crosses | California Aqueduct |
| Coordinates | 34.77451, -118.56157 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 134.2 ft (40.9 m) |
| Max Span | 133.5 ft (40.7 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 535.8 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 3,050 (2019) |
| Lanes On Bridge | 2 |
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 2047 |