River RD over Hobson Creek
Fair Condition76 years old10,000 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 5.19 Mi Intx With SR 116 |
| Carries | River RD |
| Crosses | Hobson Creek |
| Coordinates | 38.50767, -122.92962 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 226.0 ft (68.9 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 764.8 sq m |
| Main Spans | 8 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 10,000 (2015) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0036 |