US Bridges

Ham Lane over Pixley Slough

Fair

San Joaquin County, California · 0.1MI S/O West Lane · Structure no. 29C0299

Built
1926
99 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
457
2013 count
Owner
County
County Highway Agency

About this bridge

Ham Lane over Pixley Slough is a concrete continuous slab carrying Ham Lane over Pixley Slough in San Joaquin County, California. It was built in 1926, so it is 99 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 6 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 457 vehicles a day, roughly 10% of them trucks, projected to reach 328 by 2045. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHam Lane
CrossesPixley Slough
Location0.1MI S/O West Lane
RouteCounty Highway 0
Coordinates38.07466, -121.28736
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.8 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length52 ft (15.8 m)
Longest span13 ft (4 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic457 (2013)
Projected traffic328 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Ham Lane over Pixley Slough built?

It was built in 1926, making it 99 years old in 2025.

What condition is Ham Lane over Pixley Slough 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 September 2023.

How much traffic does Ham Lane over Pixley Slough carry?

About 457 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Ham Lane over Pixley Slough?

The structure is 52 ft (15.8 m) long with a longest span of 13 ft (4 m) and a deck 24 ft wide.

Who owns Ham Lane over Pixley Slough?

It is owned by the County Highway Agency.