Hillcrest Ave over Contra Costa Canal
GoodContra Costa County, California · 1.6 MI S SH 4 · Structure no. 28C0208
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 9,500
- 1991 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Hillcrest Ave over Contra Costa Canal is a prestressed concrete stringer/multi-beam or girder carrying Hillcrest Ave over Contra Costa Canal in Contra Costa County, California. It was built in 1990, so it is 35 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 9,500 vehicles a day, roughly 7% of them trucks, projected to reach 20,856 by 2043. The structure is 76 ft (23.2 m) long and 100 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hillcrest Ave over Contra Costa Canal built?
It was built in 1990, making it 35 years old in 2025.
What condition is Hillcrest Ave over Contra Costa Canal 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 January 2025.
How much traffic does Hillcrest Ave over Contra Costa Canal carry?
About 9,500 vehicles per day (1991 count), of which roughly 7% are trucks.
How long is Hillcrest Ave over Contra Costa Canal?
The structure is 76 ft (23.2 m) long with a longest span of 72 ft (21.9 m) and a deck 100 ft wide.
Who owns Hillcrest Ave over Contra Costa Canal?
It is owned by the City or Municipal Highway Agency.