Watmaugh Road over Sonoma Creek
Fair Condition97 years old3,628 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 0.3 Mi West Of SR 12 |
| Carries | Watmaugh Road |
| Crosses | Sonoma Creek |
| Coordinates | 38.26569, -122.46757 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 169.9 ft (51.8 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 23.6 ft (7.2 m) |
| Deck Area | 373.0 sq m |
| Main Spans | 1 |
| Year Built | 1929 |
Traffic
| Avg Daily Traffic | 3,628 (2016) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 20C0017 |