Cannon Street over Unknown Ravine
Fair Condition33 years old18,900 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 1.0 Mi S/o Nohl Ranch RD |
| Carries | Cannon Street |
| Crosses | Unknown Ravine |
| Coordinates | 33.83080, -117.79381 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 178.1 ft (54.3 m) |
| Max Span | 174.9 ft (53.3 m) |
| Deck Width | 96.1 ft (29.3 m) |
| Deck Area | 1591.0 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 18,900 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0684 |