State Route 12 over Sonoma Creek
Good Condition3 years old26,400 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-012-25.82 |
| Carries | State Route 12 |
| Crosses | Sonoma Creek |
| Coordinates | 38.42759, -122.55982 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 68.9 ft (21 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 352.8 sq m |
| Main Spans | 1 |
| Year Built | 2023 |
Traffic
| Avg Daily Traffic | 26,400 (2019) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
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 0305 |