US Bridges

N Hughes Ave over Herndon Canal

Fair

Fresno County, California · 0.18 MI N of Ashlan Ave · Structure no. 42C0534

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
1,979
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Hughes Ave over Herndon Canal is a concrete continuous slab carrying N Hughes Ave over Herndon Canal in Fresno County, California. It was built in 1964, so it is 61 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 1,979 vehicles a day, roughly 1% of them trucks, projected to reach 5,471 by 2042. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesN Hughes Ave
CrossesHerndon Canal
Location0.18 MI N of Ashlan Ave
RouteCity Street 0
CountyFresno County
StateCalifornia
Coordinates36.7962, -119.83531
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,979 (2003)
Projected traffic5,471 by 2042
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N Hughes Ave over Herndon Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is N Hughes Ave over Herndon 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 December 2024.

How much traffic does N Hughes Ave over Herndon Canal carry?

About 1,979 vehicles per day (2003 count), of which roughly 1% are trucks.

How long is N Hughes Ave over Herndon Canal?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns N Hughes Ave over Herndon Canal?

It is owned by the City or Municipal Highway Agency.