US Bridges

Odell Avenue over Walker Slough

Fair

San Joaquin County, California · North of Downing Ave · Structure no. 29C0098

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
1,814
2013 count
Owner
County
County Highway Agency

About this bridge

Odell Avenue over Walker Slough is a concrete continuous slab carrying Odell Avenue over Walker Slough in San Joaquin County, California. It was built in 1970, so it is 55 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 1,814 vehicles a day, roughly 2% of them trucks, projected to reach 2,195 by 2047. The structure is 72 ft (21.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOdell Avenue
CrossesWalker Slough
LocationNorth of Downing Ave
RouteCounty Highway 0
Coordinates37.91414, -121.28177
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span29 ft (8.8 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,814 (2013)
Projected traffic2,195 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Odell Avenue over Walker Slough built?

It was built in 1970, making it 55 years old in 2025.

What condition is Odell Avenue over Walker 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 January 2025.

How much traffic does Odell Avenue over Walker Slough carry?

About 1,814 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Odell Avenue over Walker Slough?

The structure is 72 ft (21.9 m) long with a longest span of 29 ft (8.8 m) and a deck 40 ft wide.

Who owns Odell Avenue over Walker Slough?

It is owned by the County Highway Agency.