River Road over Big Sulphur Creek
Fair Condition38 years old500 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | NE Of Cloverdale |
| Carries | River Road |
| Crosses | Big Sulphur Creek |
| Coordinates | 38.82309, -123.00343 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 215.6 ft (65.7 m) |
| Max Span | 106.6 ft (32.5 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 630.7 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 500 (2012) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0251 |