US Bridges

N Gates Ave over Herndon Canal

Fair

Fresno County, California · 0.5 MI NE of Shaw Ave · Structure no. 42C0524

Built
1960
65 years old, rebuilt 1982
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
53 ft
2 main spans
Daily traffic
14,083
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Gates Ave over Herndon Canal is a concrete continuous slab carrying N Gates Ave over Herndon Canal in Fresno County, California. It was built in 1960 and reconstructed in 1982, so it is 65 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 14,083 vehicles a day, roughly 1% of them trucks, projected to reach 10,940 by 2042. The structure is 53 ft (16.2 m) long and 96 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesN Gates Ave
CrossesHerndon Canal
Location0.5 MI NE of Shaw Ave
RouteCity Street 0
CountyFresno County
StateCalifornia
Coordinates36.81263, -119.87234
Functional classUrban Collector

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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width96 ft (29.3 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,083 (2007)
Projected traffic10,940 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Gates Ave over Herndon Canal built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1982.

What condition is N Gates 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 Gates Ave over Herndon Canal carry?

About 14,083 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is N Gates Ave over Herndon Canal?

The structure is 53 ft (16.2 m) long with a longest span of 26 ft (7.9 m) and a deck 96 ft wide.

Who owns N Gates Ave over Herndon Canal?

It is owned by the City or Municipal Highway Agency.