US Bridges

Stoneridge Drive over Chabot Canal

Good

Alameda County, California · 2000 Ft S of Gibraltar · Structure no. 33C0464

Built
1967
58 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
25,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stoneridge Drive over Chabot Canal is a concrete continuous culvert carrying Stoneridge Drive over Chabot Canal in Alameda County, California. It was built in 1967, so it is 58 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 25,800 vehicles a day, roughly 2% of them trucks, projected to reach 28,380 by 2042. The structure is 27 ft (8.2 m) long and 126 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesStoneridge Drive
CrossesChabot Canal
Location2000 Ft S of Gibraltar
RouteCity Street 0
Coordinates37.6913, -121.90007
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width126 ft (38.4 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,800 (2023)
Projected traffic28,380 by 2042
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Stoneridge Drive over Chabot Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is Stoneridge Drive over Chabot 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 October 2024.

How much traffic does Stoneridge Drive over Chabot Canal carry?

About 25,800 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Stoneridge Drive over Chabot Canal?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 126 ft wide.

Who owns Stoneridge Drive over Chabot Canal?

It is owned by the City or Municipal Highway Agency.