US Bridges

Winding Road over N.Fork Cosumnes

Fair

El Dorado County, California · No Data Entered · Structure no. 050356000001067

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
124 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over N.Fork Cosumnes is a concrete box beam or girders - single or spread carrying Winding Road over N.Fork Cosumnes in El Dorado County, California. It was built in 1981, so it is 44 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 6 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 124 ft (37.8 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesWinding Road
CrossesN.Fork Cosumnes
LocationNo Data Entered
RouteFederal Lands Road 10N83
CountyEl Dorado County
StateCalifornia
Coordinates38.65031, -120.40851
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span0 ft (0 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-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 N.Fork Cosumnes built?

It was built in 1981, making it 44 years old in 2025.

What condition is Winding Road over N.Fork Cosumnes 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 2023.

How much traffic does Winding Road over N.Fork Cosumnes carry?

About 50 vehicles per day (latest count).

How long is Winding Road over N.Fork Cosumnes?

The structure is 124 ft (37.8 m) long and a deck 27 ft wide.

Who owns Winding Road over N.Fork Cosumnes?

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