Somersville Road over Contra Costa Canal
GoodContra Costa County, California · 0.35 MI SW Buchanan RD · Structure no. 28C0253
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 13,686
- 1998 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Somersville Road over Contra Costa Canal is a prestressed concrete slab carrying Somersville Road over Contra Costa Canal in Contra Costa County, California. It was built in 2009, so it is 16 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 13,686 vehicles a day, roughly 6% of them trucks, projected to reach 21,591 by 2043. The structure is 52 ft (16 m) long and 88 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Somersville Road over Contra Costa Canal built?
It was built in 2009, making it 16 years old in 2025.
What condition is Somersville 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 January 2025.
How much traffic does Somersville Road over Contra Costa Canal carry?
About 13,686 vehicles per day (1998 count), of which roughly 6% are trucks.
How long is Somersville Road over Contra Costa Canal?
The structure is 52 ft (16 m) long with a longest span of 52 ft (16 m) and a deck 88 ft wide.
Who owns Somersville Road over Contra Costa Canal?
It is owned by the City or Municipal Highway Agency.