Columbus Drive over Alonzo Drain
GoodSolano County, California · South of Woolner · Structure no. 23C0278
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 52 ft
- 5 main spans
- Daily traffic
- 400
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Columbus Drive over Alonzo Drain is a concrete continuous culvert carrying Columbus Drive over Alonzo Drain in Solano County, California. It was built in 1983, so it is 42 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 52 ft (16 m) long and 47 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 Columbus Drive over Alonzo Drain built?
It was built in 1983, making it 42 years old in 2025.
What condition is Columbus Drive 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 Columbus Drive over Alonzo Drain carry?
About 400 vehicles per day (2010 count), of which roughly 5% are trucks.
How long is Columbus Drive over Alonzo Drain?
The structure is 52 ft (16 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.
Who owns Columbus Drive over Alonzo Drain?
It is owned by the City or Municipal Highway Agency.