Center Avenue over Grayson Creek
GoodContra Costa County, California · 0.1 MI W Pacheco Blvd · Structure no. 28C0365
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 120 ft
- 5 main spans
- Daily traffic
- 6,706
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Center Avenue over Grayson Creek is a concrete continuous slab carrying Center Avenue over Grayson Creek in Contra Costa County, California. It was built in 1970, so it is 55 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 6,706 vehicles a day, roughly 3% of them trucks, projected to reach 17,446 by 2046. The structure is 120 ft (36.5 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Center Avenue over Grayson Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Center Avenue over Grayson 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 November 2024.
How much traffic does Center Avenue over Grayson Creek carry?
About 6,706 vehicles per day (2013 count), of which roughly 3% are trucks.
How long is Center Avenue over Grayson Creek?
The structure is 120 ft (36.5 m) long with a longest span of 26 ft (7.9 m) and a deck 45 ft wide.
Who owns Center Avenue over Grayson Creek?
It is owned by the County Highway Agency.