US Bridges

S Walnut Ave over Liberty Ditch

Fair

Fresno County, California · 0.2 MI N of Elkhorn Ave · Structure no. 42C0379

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
125
2010 count
Owner
County
County Highway Agency

About this bridge

S Walnut Ave over Liberty Ditch is a concrete continuous culvert carrying S Walnut Ave over Liberty Ditch in Fresno County, California. It was built in 1950, so it is 75 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 235 by 2046. The structure is 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesS Walnut Ave
CrossesLiberty Ditch
Location0.2 MI N of Elkhorn Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.49222, -119.80909
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2010)
Projected traffic235 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S Walnut Ave over Liberty Ditch built?

It was built in 1950, making it 75 years old in 2025.

What condition is S Walnut Ave over Liberty Ditch 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 February 2024.

How much traffic does S Walnut Ave over Liberty Ditch carry?

About 125 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is S Walnut Ave over Liberty Ditch?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 29 ft wide.

Who owns S Walnut Ave over Liberty Ditch?

It is owned by the County Highway Agency.