River Road over U.s. Highway 101
Fair Condition64 years old9,000 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-101-24.86 |
| Carries | River Road |
| Crosses | U.s. Highway 101 |
| Coordinates | 38.49614, -122.75670 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 304.1 ft (92.7 m) |
| Max Span | 102.0 ft (31.1 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 1140.2 sq m |
| Main Spans | 4 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 9,000 (2016) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20 0199 |