US Bridges

E Herndon Ave over Enterprise Canal

Fair

Fresno County, California · .05 MI West of Dewolf Ave · Structure no. 42C0116

Built
1947
78 years old, rebuilt 1990
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
7,900
2010 count
Owner
County
County Highway Agency

About this bridge

E Herndon Ave over Enterprise Canal is a concrete continuous slab carrying E Herndon Ave over Enterprise Canal in Fresno County, California. It was built in 1947 and reconstructed in 1990, so it is 78 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 7,900 vehicles a day, roughly 5% of them trucks, projected to reach 9,067 by 2043. The structure is 38 ft (11.6 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesE Herndon Ave
CrossesEnterprise Canal
Location.05 MI West of Dewolf Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.83739, -119.64915
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span18 ft (5.5 m)
Deck width74 ft (22.7 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2010)
Projected traffic9,067 by 2043
Trucks5%
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 E Herndon Ave over Enterprise Canal built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1990.

What condition is E Herndon Ave over Enterprise 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 January 2025.

How much traffic does E Herndon Ave over Enterprise Canal carry?

About 7,900 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is E Herndon Ave over Enterprise Canal?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.5 m) and a deck 74 ft wide.

Who owns E Herndon Ave over Enterprise Canal?

It is owned by the County Highway Agency.