S73-bison Off-ramp over Macarthur-s73 On-ramp
Fair Condition30 years old6,270 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-073-23.60-irvn |
| Carries | S73-bison Off-ramp |
| Crosses | Macarthur-s73 On-ramp |
| Coordinates | 33.63876, -117.85832 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 364.2 ft (111 m) |
| Max Span | 164.0 ft (50 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 932.4 sq m |
| Main Spans | 3 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 6,270 (2014) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0744K |