Wine Country Ave over Napa Drain
GoodNapa County, California · At Solano Ave · Structure no. 21C0111
- Built
- 1960
- 65 years old, rebuilt 2016
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 3,853
- 2011 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Wine Country Ave over Napa Drain is a concrete continuous culvert carrying Wine Country Ave over Napa Drain in Napa County, California. It was built in 1960 and reconstructed in 2016, so it is 65 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,853 vehicles a day, roughly 1% of them trucks, projected to reach 5,900 by 2043. The structure is 23 ft (7 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wine Country Ave over Napa Drain built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2016.
What condition is Wine Country Ave over Napa Drain in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does Wine Country Ave over Napa Drain carry?
About 3,853 vehicles per day (2011 count), of which roughly 1% are trucks.
How long is Wine Country Ave over Napa Drain?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 72 ft wide.
Who owns Wine Country Ave over Napa Drain?
It is owned by the City or Municipal Highway Agency.