State Route 12 over Dutton AVE
Fair Condition62 years old36,500 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-012-r15.30 |
| Carries | State Route 12 |
| Crosses | Dutton AVE |
| Coordinates | 38.43286, -122.72640 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 148.0 ft (45.1 m) |
| Max Span | 87.9 ft (26.8 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 550.2 sq m |
| Main Spans | 3 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 36,500 (2014) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20 0203R |