US Bridges

N Piedra RD over Kings River

Fair

Fresno County, California · Jso Trimmer Springs RD · Structure no. 42C0039

Built
1953
72 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
342 ft
6 main spans
Daily traffic
1,000
2010 count
Owner
County
County Highway Agency

About this bridge

N Piedra RD over Kings River is a concrete continuous tee beam carrying N Piedra RD over Kings River in Fresno County, California. It was built in 1953, so it is 72 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 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,785 by 2043. The structure is 342 ft (104.2 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesN Piedra RD
CrossesKings River
LocationJso Trimmer Springs RD
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.81975, -119.38303
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating38.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2010)
Projected traffic1,785 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.3 mi (31 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 N Piedra RD over Kings River built?

It was built in 1953, making it 72 years old in 2025.

What condition is N Piedra RD over Kings River 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 N Piedra RD over Kings River carry?

About 1,000 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is N Piedra RD over Kings River?

The structure is 342 ft (104.2 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns N Piedra RD over Kings River?

It is owned by the County Highway Agency.