Ely RD over Willow Brook
Fair Condition67 years old3,500 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 0.1 Mi SE Old Rdwd HWY N |
| Carries | Ely RD |
| Crosses | Willow Brook |
| Coordinates | 38.28317, -122.66626 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 72.5 ft (22.1 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 218.8 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 3,500 (2015) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0038 |