Mill Station RD over Atascadero CR Overflow
Poor Condition62 years old1,450 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 0.2 Mi E Ferguson RD |
| Carries | Mill Station RD |
| Crosses | Atascadero CR Overflow |
| Coordinates | 38.41050, -122.86292 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 95.1 ft (29 m) |
| Max Span | 26.6 ft (8.1 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 287.1 sq m |
| Main Spans | 4 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 1,450 (2018) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0315 |