Interstate 405 over 166th Street
Fair Condition64 years old268,300 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-405-17.14-lndl |
| Carries | Interstate 405 |
| Crosses | 166th Street |
| Coordinates | 33.87993, -118.34693 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 174.9 ft (53.3 m) |
| Max Span | 96.1 ft (29.3 m) |
| Deck Width | 141.4 ft (43.1 m) |
| Deck Area | 2297.2 sq m |
| Main Spans | 3 |
| Year Built | 1962 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 268,300 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 10 |
| Lanes Under 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 1230 |