Interstate 405 over Imperial Highway
Good Condition63 years old272,600 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-405-r21.22-la |
| Carries | Interstate 405 |
| Crosses | Imperial Highway |
| Coordinates | 33.93071, -118.36816 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 158.1 ft (48.2 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 172.6 ft (52.6 m) |
| Deck Area | 2535.3 sq m |
| Main Spans | 3 |
| Year Built | 1963 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 272,600 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 11 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 53 1241 |