US Bridges

Lower Sac RD over Pixley Slough

Fair

San Joaquin County, California · N of 8 Mile RD · Structure no. 29C0137

Built
1926
99 years old, rebuilt 1940
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
2 main spans
Daily traffic
11,122
2013 count
Owner
County
County Highway Agency

About this bridge

Lower Sac RD over Pixley Slough is a steel continuous stringer/multi-beam or girder carrying Lower Sac RD over Pixley Slough in San Joaquin County, California. It was built in 1926 and reconstructed in 1940, 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 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 11,122 vehicles a day, roughly 5% of them trucks, projected to reach 13,235 by 2045. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesLower Sac RD
CrossesPixley Slough
LocationN of 8 Mile RD
RouteCounty Highway 0
CountySan Joaquin County
StateCalifornia
Coordinates38.06027, -121.31039
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,122 (2013)
Projected traffic13,235 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Lower Sac RD over Pixley Slough built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1940.

What condition is Lower Sac RD 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 Lower Sac RD over Pixley Slough carry?

About 11,122 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Lower Sac RD over Pixley Slough?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Lower Sac RD over Pixley Slough?

It is owned by the County Highway Agency.