US Bridges

E Herndon Ave over Friant-Kern Canal

Fair

Fresno County, California · At N Madsen RD · Structure no. 42C0309

Built
1949
76 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
86 ft
2 main spans
Daily traffic
600
2005 count
Owner
County
County Highway Agency

About this bridge

E Herndon Ave over Friant-Kern Canal is a concrete tee beam carrying E Herndon Ave over Friant-Kern Canal in Fresno County, California. It was built in 1949, so it is 76 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 2,152 by 2044. The structure is 86 ft (26.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesE Herndon Ave
CrossesFriant-Kern Canal
LocationAt N Madsen RD
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.83717, -119.53975
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length86 ft (26.2 m)
Longest span42 ft (12.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2005)
Projected traffic2,152 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Herndon Ave over Friant-Kern Canal built?

It was built in 1949, making it 76 years old in 2025.

What condition is E Herndon Ave over Friant-Kern 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 Friant-Kern Canal carry?

About 600 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is E Herndon Ave over Friant-Kern Canal?

The structure is 86 ft (26.2 m) long with a longest span of 42 ft (12.8 m) and a deck 29 ft wide.

Who owns E Herndon Ave over Friant-Kern Canal?

It is owned by the County Highway Agency.