RTE 57 & Chapman over Bitterbush Channel
Fair Condition50 years old229,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-057-11.20-ora |
| Carries | RTE 57 & Chapman |
| Crosses | Bitterbush Channel |
| Coordinates | 33.78653, -117.87968 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 36.1 ft (11 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 183.4 ft (55.9 m) |
| Deck Area | 614.9 sq m |
| Main Spans | 2 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 229,000 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 19 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0618 |