W/b Alton Parkway over San Diego Creek Channel
Good Condition38 years old9,800 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 0.7 Mi E/o Sand Canyon |
| Carries | W/b Alton Parkway |
| Crosses | San Diego Creek Channel |
| Coordinates | 33.65731, -117.76517 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 217.2 ft (66.2 m) |
| Max Span | 106.6 ft (32.5 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 820.9 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 9,800 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0564L |