King Ridge RD over Big Austin Creek
Fair Condition61 years old200 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 2.3 Mi N Fort Ross RD |
| Carries | King Ridge RD |
| Crosses | Big Austin Creek |
| Coordinates | 38.56104, -123.10214 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 124.0 ft (37.8 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 16.7 ft (5.1 m) |
| Deck Area | 192.8 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 200 (2015) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0433 |