US Bridges

Winding Road over North Fork Sand Creek

FairPosted for load

Madera County, California · 06S42-28.2 · Structure no. 051551000001058

Built
1947
78 years old, rebuilt 1992
Condition
Fair
inspected July 2023
Type
Truss - Deck
Steel
Length
67 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over North Fork Sand Creek is a steel truss - deck carrying Winding Road over North Fork Sand Creek in Madera County, California. It was built in 1947 and reconstructed in 1992, so it is 78 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 67 ft (20.3 m) long and 16 ft wide.

CarriesWinding Road
CrossesNorth Fork Sand Creek
Location06S42-28.2
RouteFederal Lands Road 6S04
Coordinates37.332, -119.4928
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating15.8 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length67 ft (20.3 m)
Longest span65 ft (19.7 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 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 North Fork Sand Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1992.

What condition is Winding Road over North Fork Sand 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 July 2023.

How much traffic does Winding Road over North Fork Sand Creek carry?

About 50 vehicles per day (latest count).

How long is Winding Road over North Fork Sand Creek?

The structure is 67 ft (20.3 m) long with a longest span of 65 ft (19.7 m) and a deck 16 ft wide.

Who owns Winding Road over North Fork Sand Creek?

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