Santiago Canyon RD over Williams Canyon Creek
Fair Condition56 years old8,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 0.8 Mi N/o Modjeska RD |
| Carries | Santiago Canyon RD |
| Crosses | Williams Canyon Creek |
| Coordinates | 33.72876, -117.65028 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 173.3 sq m |
| Main Spans | 1 |
| Year Built | 1970 (reconstructed 1983) |
Traffic
| Avg Daily Traffic | 8,000 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0059 |