Bancroft Road over Contra Costa Canal
GoodContra Costa County, California · 0.2 MI S Treat Blvd · Structure no. 28C0344
- Built
- 1968
- 57 years old, rebuilt 1976
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 29,800
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Bancroft Road over Contra Costa Canal is a prestressed concrete slab carrying Bancroft Road over Contra Costa Canal in Contra Costa County, California. It was built in 1968 and reconstructed in 1976, so it is 57 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 29,800 vehicles a day, roughly 4% of them trucks, projected to reach 32,065 by 2041. The structure is 27 ft (8.1 m) long and 94 ft wide. 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 |
|---|---|---|
| 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 Bancroft Road over Contra Costa Canal built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1976.
What condition is Bancroft Road 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 November 2023.
How much traffic does Bancroft Road over Contra Costa Canal carry?
About 29,800 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is Bancroft Road over Contra Costa Canal?
The structure is 27 ft (8.1 m) long with a longest span of 26 ft (7.9 m) and a deck 94 ft wide.
Who owns Bancroft Road over Contra Costa Canal?
It is owned by the City or Municipal Highway Agency.