Oak Knoll AVE over Napa River Overflow
Good Condition96 years old2,600 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 0.35 Mi SW Slvrdo Trail |
| Carries | Oak Knoll AVE |
| Crosses | Napa River Overflow |
| Coordinates | 38.36796, -122.30397 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 89.1 sq m |
| Main Spans | 2 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 2,600 (2005) |
| Truck Traffic | 10% |
| 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 | 21C0068 |