State Route 55 over Macarthur Storm Channel
Good Condition60 years old222,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-055-r7.06-sa |
| Carries | State Route 55 |
| Crosses | Macarthur Storm Channel |
| Coordinates | 33.69907, -117.86062 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 13.1 ft (4 m) |
| Deck Area | 305.5 sq m |
| Main Spans | 2 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 222,000 (2014) |
| Truck Traffic | 2% |
| Lanes On Bridge | 10 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0496 |