Portola Parkway over Borrego Canyon Wash
Good Condition36 years old9,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 0.1 Mi. E/o Alton Pkwy. |
| Carries | Portola Parkway |
| Crosses | Borrego Canyon Wash |
| Coordinates | 33.68197, -117.66528 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 103.3 ft (31.5 m) |
| Deck Area | 229.9 sq m |
| Main Spans | 2 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 9,000 (2017) |
| Truck Traffic | 1% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 922 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0601 |