US Bridges

N Garfield Ave over Herndon Canal

Fair

Fresno County, California · 0.01 MI South of Barstow · Structure no. 42C0388

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
693
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Garfield Ave over Herndon Canal is a concrete continuous slab carrying N Garfield Ave over Herndon Canal in Fresno County, California. It was built in 1955, so it is 70 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 693 vehicles a day, roughly 5% of them trucks, projected to reach 548 by 2042. The structure is 36 ft (11 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN Garfield Ave
CrossesHerndon Canal
Location0.01 MI South of Barstow
RouteCity Street 0
CountyFresno County
StateCalifornia
Coordinates36.81479, -119.92551
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic693 (2011)
Projected traffic548 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Garfield Ave over Herndon Canal built?

It was built in 1955, making it 70 years old in 2025.

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

About 693 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is N Garfield Ave over Herndon Canal?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 36 ft wide.

Who owns N Garfield Ave over Herndon Canal?

It is owned by the City or Municipal Highway Agency.