River Road over Hillside
Fair Condition47 years old10,300 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 1.6 Mi E Interctn SR 116 |
| Carries | River Road |
| Crosses | Hillside |
| Coordinates | 38.51826, -122.98036 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 59.1 ft (18 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 8.9 ft (2.7 m) |
| Deck Area | 48.6 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 10,300 (2009) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0463 |