23rd ST over Wildcat Creek
GoodContra Costa County, California · 0.2 MI S San Pablo Ave · Structure no. 28C0160
- Built
- 1940
- 85 years old
- Condition
- Good
- inspected December 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 13,993
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
23rd ST over Wildcat Creek is a concrete continuous culvert carrying 23rd ST over Wildcat Creek in Contra Costa County, California. It was built in 1940, so it is 85 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 13,993 vehicles a day, roughly 5% of them trucks, projected to reach 41,711 by 2042. The structure is 24 ft (7.2 m) long and 80 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 23rd ST over Wildcat Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is 23rd ST over Wildcat Creek 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 2024.
How much traffic does 23rd ST over Wildcat Creek carry?
About 13,993 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 23rd ST over Wildcat Creek?
The structure is 24 ft (7.2 m) long with a longest span of 13 ft (3.9 m) and a deck 80 ft wide.
Who owns 23rd ST over Wildcat Creek?
It is owned by the City or Municipal Highway Agency.