Trower AVE over Napa Drain
Fair Condition56 years old1,673 vehicles/day
Location
| State | California |
| County | Napa |
| Location | Just E Jefferson ST |
| Carries | Trower AVE |
| Crosses | Napa Drain |
| Coordinates | 38.33278, -122.30748 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 10.8 ft (3.3 m) |
| Deck Width | 128.3 ft (39.1 m) |
| Deck Area | 394.9 sq m |
| Main Spans | 3 |
| Year Built | 1970 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 1,673 (2017) |
| Truck Traffic | 10% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21C0129 |