Woolner Ave over Alonzo Drain
GoodSolano County, California · West of Beck Ave · Structure no. 23C0279
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 45 ft
- 4 main spans
- Daily traffic
- 400
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Woolner Ave over Alonzo Drain is a concrete continuous culvert carrying Woolner Ave over Alonzo Drain in Solano County, California. It was built in 1985, so it is 40 years old, younger 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 522 by 2045. The structure is 45 ft (13.7 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Woolner Ave over Alonzo Drain built?
It was built in 1985, making it 40 years old in 2025.
What condition is Woolner Ave over Alonzo 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 December 2023.
How much traffic does Woolner Ave over Alonzo Drain carry?
About 400 vehicles per day (2010 count), of which roughly 5% are trucks.
How long is Woolner Ave over Alonzo Drain?
The structure is 45 ft (13.7 m) long with a longest span of 11 ft (3.3 m) and a deck 51 ft wide.
Who owns Woolner Ave over Alonzo Drain?
It is owned by the City or Municipal Highway Agency.