Alton Parkway over Serrano Creek Channel
Good Condition47 years old26,500 vehicles/day
Location
| State | California |
| County | Orange |
| Location | At Muirlands BLVD |
| Carries | Alton Parkway |
| Crosses | Serrano Creek Channel |
| Coordinates | 33.64762, -117.72555 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 9 (Excellent) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 13.8 ft (4.2 m) |
| Deck Width | 139.8 ft (42.6 m) |
| Deck Area | 494.2 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 26,500 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 8 |
Inspection & Ownership
| Last Inspection | 422 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0487 |