Mill Creek RD over Mill Creek
Poor Condition65 years old210 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 5.4 Mi W Of Westside RD |
| Carries | Mill Creek RD |
| Crosses | Mill Creek |
| Coordinates | 38.59476, -122.96393 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 2 (Critical) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 2 — Bridge closed (monitoring) |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 74.1 ft (22.6 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 169.5 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 210 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0346 |