State Route 12 over Brigham AVE
Fair Condition57 years old30,000 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-012-r17.10-sro |
| Carries | State Route 12 |
| Crosses | Brigham AVE |
| Coordinates | 38.43389, -122.69630 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 116.1 ft (35.4 m) |
| Max Span | 113.8 ft (34.7 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 594.7 sq m |
| Main Spans | 1 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 30,000 (2014) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20 0217R |