US Bridges

Golf Club Road over Contra Costa Canal

Good

Contra Costa County, California · At Paso Nogal · Structure no. 28C0396

Built
1940
85 years old, rebuilt 1974
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5,000
2013 count
Owner
County
County Highway Agency

About this bridge

Golf Club Road over Contra Costa Canal is a concrete slab carrying Golf Club Road over Contra Costa Canal in Contra Costa County, California. It was built in 1940 and reconstructed in 1974, so it is 85 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 9,683 by 2046. The structure is 26 ft (7.9 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGolf Club Road
CrossesContra Costa Canal
LocationAt Paso Nogal
RouteCounty Highway 0
Coordinates37.97129, -122.07386
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2013)
Projected traffic9,683 by 2046
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Golf Club Road over Contra Costa Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1974.

What condition is Golf Club 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 2024.

How much traffic does Golf Club Road over Contra Costa Canal carry?

About 5,000 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Golf Club Road over Contra Costa Canal?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 76 ft wide.

Who owns Golf Club Road over Contra Costa Canal?

It is owned by the County Highway Agency.