River Road over Hillside
Fair Condition23 years old13,450 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 1.7 Mi West Of Mirabel RD |
| Carries | River Road |
| Crosses | Hillside |
| Coordinates | 38.50947, -122.91985 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 102.3 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 13,450 (2015) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0536 |