1st ST over State Route 55 & Ramps
Fair Condition31 years old17,700 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-055-10.80-tus |
| Carries | 1st ST |
| Crosses | State Route 55 & Ramps |
| Coordinates | 33.74556, -117.83373 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 346.5 ft (105.6 m) |
| Max Span | 115.2 ft (35.1 m) |
| Deck Width | 89.9 ft (27.4 m) |
| Deck Area | 2893.4 sq m |
| Main Spans | 4 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 17,700 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 16 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0647 |