State Route 12 over Santa Rosa Creek
Good Condition70 years old40,750 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 04-son-012-t18.51-sro |
| Carries | State Route 12 |
| Crosses | Santa Rosa Creek |
| Coordinates | 38.44917, -122.68831 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 130.9 ft (39.9 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 80.1 ft (24.4 m) |
| Deck Area | 973.6 sq m |
| Main Spans | 3 |
| Year Built | 1956 (reconstructed 1965) |
Traffic
| Avg Daily Traffic | 40,750 (2016) |
| Truck Traffic | 2% |
| Lanes On Bridge | 5 |
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 0238 |