US Bridges

Winding Road over San Joaquin River

Fair

Fresno County, California · No Data Entered · Structure no. 051552000001020

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
143 ft
3 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over San Joaquin River is a steel girder and floorbeam system carrying Winding Road over San Joaquin River in Fresno County, California. It was built in 1984, so it is 41 years old, younger 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 143 ft (43.6 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesWinding Road
CrossesSan Joaquin River
LocationNo Data Entered
RouteFederal Lands Road 7S37
CountyFresno County
StateCalifornia
Coordinates37.2781, -118.9649
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans3
Design loadOther
Structure length143 ft (43.6 m)
Longest span51 ft (15.5 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Winding Road over San Joaquin River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Winding Road over San Joaquin 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 September 2024.

How much traffic does Winding Road over San Joaquin River carry?

About 50 vehicles per day (latest count).

How long is Winding Road over San Joaquin River?

The structure is 143 ft (43.6 m) long with a longest span of 51 ft (15.5 m) and a deck 18 ft wide.

Who owns Winding Road over San Joaquin River?

It is owned by the U.S. Forest Service.