SR 73 SB over Aliso Creek
Good Condition30 years old25,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-073-13.82-lgng |
| Carries | SR 73 SB |
| Crosses | Aliso Creek |
| Coordinates | 33.57599, -117.71261 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 411.4 ft (125.4 m) |
| Max Span | 202.8 ft (61.8 m) |
| Deck Width | 71.5 ft (21.8 m) |
| Deck Area | 2733.7 sq m |
| Main Spans | 2 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 25,000 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0754L |