US Bridges

State Route 26 over Stockton Diverting Canal

Fair

San Joaquin County, California · 10-SJ-026-1.90 · Structure no. 29 0040

Built
1967
58 years old, rebuilt 1988
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
288 ft
10 main spans
Daily traffic
10,200
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 26 over Stockton Diverting Canal is a concrete continuous slab carrying State Route 26 over Stockton Diverting Canal in San Joaquin County, California. It was built in 1967 and reconstructed in 1988, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,200 vehicles a day, roughly 9% of them trucks, projected to reach 18,314 by 2045. The structure is 288 ft (87.8 m) long and 63 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 26
CrossesStockton Diverting Canal
Location10-SJ-026-1.90
RouteState Highway 26
Coordinates37.97395, -121.23196
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length288 ft (87.8 m)
Longest span30 ft (9.1 m)
Deck width63 ft (19.3 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2009)
Projected traffic18,314 by 2045
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 26 over Stockton Diverting Canal built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1988.

What condition is State Route 26 over Stockton Diverting Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does State Route 26 over Stockton Diverting Canal carry?

About 10,200 vehicles per day (2009 count), of which roughly 9% are trucks.

How long is State Route 26 over Stockton Diverting Canal?

The structure is 288 ft (87.8 m) long with a longest span of 30 ft (9.1 m) and a deck 63 ft wide.

Who owns State Route 26 over Stockton Diverting Canal?

It is owned by the State Highway Agency.