State Route 91 over Coal Canyon Creek
Good Condition55 years old145,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-091-r17.92r-ana |
| Carries | State Route 91 |
| Crosses | Coal Canyon Creek |
| Coordinates | 33.87194, -117.68789 |
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 | 20.7 ft (6.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 188.3 ft (57.4 m) |
| Deck Area | 361.6 sq m |
| Main Spans | 2 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 145,000 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 14 |
Inspection & Ownership
| Last Inspection | 822 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0608 |