Interstate 405 over Lassen Street
Good Condition63 years old216,000 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-405-45.74-la |
| Carries | Interstate 405 |
| Crosses | Lassen Street |
| Coordinates | 34.24988, -118.47206 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Box Beam - Multiple |
| Total Length | 149.0 ft (45.4 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 164.0 ft (50 m) |
| Deck Area | 2,270 sq m |
| Main Spans | 1 |
| Year Built | 1963 (reconstructed 1977) |
Traffic
| Avg Daily Traffic | 216,000 (2019) |
| Truck Traffic | 10% |
| Lanes On Bridge | 12 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53 1498 |