Jefferson ST over Napa Drain
Good Condition35 years old5,439 vehicles/day
Location
| State | California |
| County | Napa |
| Location | Just North Of Trower AVE |
| Carries | Jefferson ST |
| Crosses | Napa Drain |
| Coordinates | 38.33313, -122.30813 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 54.8 ft (16.7 m) |
| Max Span | 17.1 ft (5.2 m) |
| Deck Width | 79.1 ft (24.1 m) |
| Deck Area | 402.5 sq m |
| Main Spans | 3 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 5,439 (2017) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 821 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21C0128 |