US Bridges

W Shaw Ave over Herndon Canal

Fair

Fresno County, California · 0.05 MI West of Brawley · Structure no. 42C0117

Built
1951
74 years old, rebuilt 1993
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
42,995
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Shaw Ave over Herndon Canal is a concrete continuous slab carrying W Shaw Ave over Herndon Canal in Fresno County, California. It was built in 1951 and reconstructed in 1993, so it is 74 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 42,995 vehicles a day, roughly 7% of them trucks, projected to reach 39,384 by 2042. The structure is 76 ft (23.2 m) long and 122 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW Shaw Ave
CrossesHerndon Canal
Location0.05 MI West of Brawley
RouteCity Street 0
CountyFresno County
StateCalifornia
Coordinates36.80808, -119.86359
Functional classUrban Other Principal 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 protection8 Very GoodNo problems noted.
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span25 ft (7.6 m)
Deck width122 ft (37.2 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,995 (2005)
Projected traffic39,384 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 W Shaw Ave over Herndon Canal built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1993.

What condition is W Shaw 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 W Shaw Ave over Herndon Canal carry?

About 42,995 vehicles per day (2005 count), of which roughly 7% are trucks.

How long is W Shaw Ave over Herndon Canal?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 122 ft wide.

Who owns W Shaw Ave over Herndon Canal?

It is owned by the City or Municipal Highway Agency.