Mark West Sta RD over Windsor Creek
Fair Condition50 years old400 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 1.2 Mi E Of Tre-healds RD |
| Carries | Mark West Sta RD |
| Crosses | Windsor Creek |
| Coordinates | 38.51089, -122.84003 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 22.3 ft (6.8 m) |
| Deck Area | 78.9 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 400 (2015) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0247 |