Interstate 405 over San Gabriel River
Fair Condition62 years old255,000 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-405-0.03-lbch |
| Carries | Interstate 405 |
| Crosses | San Gabriel River |
| Coordinates | 33.78623, -118.09328 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 390.1 ft (118.9 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 129.9 ft (39.6 m) |
| Deck Area | 4708.4 sq m |
| Main Spans | 5 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 255,000 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 10 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53 1185 |