Pittsb-Antioch HWY over Kirker Creek
GoodContra Costa County, California · 0.6 MI E of Harbor ST · Structure no. 28C0497
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Steel
- Length
- 52 ft
- 6 main spans
- Daily traffic
- 10,610
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Pittsb-Antioch HWY over Kirker Creek is a steel culvert carrying Pittsb-Antioch HWY over Kirker Creek in Contra Costa County, California. It was built in 2005, so it is 20 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 10,610 vehicles a day, roughly 5% of them trucks, projected to reach 22,100 by 2042. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 3.7 mi (6 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 Pittsb-Antioch HWY over Kirker Creek built?
It was built in 2005, making it 20 years old in 2025.
What condition is Pittsb-Antioch HWY over Kirker 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 2023.
How much traffic does Pittsb-Antioch HWY over Kirker Creek carry?
About 10,610 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Pittsb-Antioch HWY over Kirker Creek?
The structure is 52 ft (15.8 m) long with a longest span of 7 ft (2.1 m).
Who owns Pittsb-Antioch HWY over Kirker Creek?
It is owned by the City or Municipal Highway Agency.