Adobe Canyon Road over Hillside
Fair Condition61 years old650 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 1.1 Mi Nw/o SR 12 |
| Carries | Adobe Canyon Road |
| Crosses | Hillside |
| Coordinates | 38.43706, -122.54667 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 108.3 ft (33 m) |
| Max Span | 3.0 ft (0.9 m) |
| Deck Width | 9.2 ft (2.8 m) |
| Deck Area | 92.4 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 650 (2015) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0404 |