US Bridges

Canal RD over Contra Costa Canal

Good

Contra Costa County, California · 0.2 MI E Bailey RD · Structure no. 28C0079

Built
1969
56 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
64 ft
1 main span
Daily traffic
10,900
2013 count
Owner
County
County Highway Agency

About this bridge

Canal RD over Contra Costa Canal is a concrete tee beam carrying Canal RD over Contra Costa Canal in Contra Costa County, California. It was built in 1969, so it is 56 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 10,900 vehicles a day, roughly 2% of them trucks, projected to reach 12,073 by 2046. The structure is 64 ft (19.6 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCanal RD
CrossesContra Costa Canal
Location0.2 MI E Bailey RD
RouteCounty Highway 0
Coordinates38.01965, -121.9401
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.6 m)
Longest span63 ft (19.2 m)
Deck width43 ft (13.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2013)
Projected traffic12,073 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Canal RD over Contra Costa Canal built?

It was built in 1969, making it 56 years old in 2025.

What condition is Canal RD 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 2024.

How much traffic does Canal RD over Contra Costa Canal carry?

About 10,900 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Canal RD over Contra Costa Canal?

The structure is 64 ft (19.6 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.

Who owns Canal RD over Contra Costa Canal?

It is owned by the County Highway Agency.