Mill Creek RD over Mill Creek
Good Condition65 years old200 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 4.5 Mi W Of Westside RD |
| Carries | Mill Creek RD |
| Crosses | Mill Creek |
| Coordinates | 38.58630, -122.95443 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 164.2 sq m |
| Main Spans | 1 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 200 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0347 |