US Bridges

S De Wolf Ave over Fowler Switch Canal

Fair

Fresno County, California · At Dinuba Ave · Structure no. 42C0448

Built
1938
87 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
800
2003 count
Owner
County
County Highway Agency

About this bridge

S De Wolf Ave over Fowler Switch Canal is a concrete continuous slab carrying S De Wolf Ave over Fowler Switch Canal in Fresno County, California. It was built in 1938, so it is 87 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 800 vehicles a day, roughly 10% of them trucks, projected to reach 2,272 by 2044. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesS De Wolf Ave
CrossesFowler Switch Canal
LocationAt Dinuba Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.59089, -119.64637
Functional classRural 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
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2003)
Projected traffic2,272 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 S De Wolf Ave over Fowler Switch Canal built?

It was built in 1938, making it 87 years old in 2025.

What condition is S De Wolf Ave over Fowler Switch 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 January 2024.

How much traffic does S De Wolf Ave over Fowler Switch Canal carry?

About 800 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is S De Wolf Ave over Fowler Switch Canal?

The structure is 44 ft (13.4 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns S De Wolf Ave over Fowler Switch Canal?

It is owned by the County Highway Agency.