Portola Parkway over Serrano Creek
Fair Condition35 years old35,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 0.3 Mi. Se/o Lake Forest |
| Carries | Portola Parkway |
| Crosses | Serrano Creek |
| Coordinates | 33.67219, -117.65302 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 91.9 ft (28 m) |
| Max Span | 88.9 ft (27.1 m) |
| Deck Width | 124.0 ft (37.8 m) |
| Deck Area | 1058.4 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 35,000 (2020) |
| Truck Traffic | 25% |
| Lanes On Bridge | 8 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0597 |