Interstate 405 over San Joaquin Channel
Good Condition58 years old224,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-405-4.24-irvn |
| Carries | Interstate 405 |
| Crosses | San Joaquin Channel |
| Coordinates | 33.66440, -117.79991 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 188.3 ft (57.4 m) |
| Deck Area | 700.3 sq m |
| Main Spans | 3 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 224,000 (2015) |
| Truck Traffic | 5% |
| Lanes On Bridge | 12 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0521 |