US Bridges

Porter Ave over Wahtoke Creek

FairPosted for load

Fresno County, California · 1.8 Miles North of SR 180 · Structure no. 42C0422

Built
1949
76 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
200
2010 count
Owner
County
County Highway Agency

About this bridge

Porter Ave over Wahtoke Creek is a concrete tee beam carrying Porter Ave over Wahtoke Creek in Fresno County, California. It was built in 1949, so it is 76 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. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 8% of them trucks, projected to reach 367 by 2040. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPorter Ave
CrossesWahtoke Creek
Location1.8 Miles North of SR 180
RouteCounty Highway 0
Coordinates36.74235, -119.36683
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
Deck7 GoodSome minor problems.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating15.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2010)
Projected traffic367 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Porter Ave over Wahtoke Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is Porter Ave over Wahtoke Creek 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 November 2023.

How much traffic does Porter Ave over Wahtoke Creek carry?

About 200 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Porter Ave over Wahtoke Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns Porter Ave over Wahtoke Creek?

It is owned by the County Highway Agency.