Airport N55 Oc over Interstate 405
Fair Condition36 years old5,700 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-405-7.84-irvn |
| Carries | Airport N55 Oc |
| Crosses | Interstate 405 |
| Coordinates | 33.68162, -117.85657 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 943.9 ft (287.7 m) |
| Max Span | 188.0 ft (57.3 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 3078.4 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 5,700 (2014) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 15 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0669S |