US Bridges

N Fresno ST over Herndon Canal

Fair

Fresno County, California · S SR 101 · Structure no. 42C0212

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
13,444
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Fresno ST over Herndon Canal is a prestressed concrete slab carrying N Fresno ST over Herndon Canal in Fresno County, California. It was built in 1959, so it is 66 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 13,444 vehicles a day, roughly 2% of them trucks, projected to reach 21,880 by 2042. The structure is 40 ft (12.2 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN Fresno ST
CrossesHerndon Canal
LocationS SR 101
RouteCity Street 0
CountyFresno County
StateCalifornia
Coordinates36.77936, -119.78143
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width77 ft (23.5 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,444 (2007)
Projected traffic21,880 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Fresno ST over Herndon Canal built?

It was built in 1959, making it 66 years old in 2025.

What condition is N Fresno ST 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 Fresno ST over Herndon Canal carry?

About 13,444 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is N Fresno ST over Herndon Canal?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 77 ft wide.

Who owns N Fresno ST over Herndon Canal?

It is owned by the City or Municipal Highway Agency.