US Bridges

Winding Road over Reed Creek

Fair

Tuolumne County, California · No Data Entered · Structure no. 051654000001007

Built
1977
48 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
217 ft
2 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over Reed Creek is a concrete continuous box beam or girders - multiple carrying Winding Road over Reed Creek in Tuolumne County, California. It was built in 1977, so it is 48 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 217 ft (66.1 m) long and 33 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesWinding Road
CrossesReed Creek
LocationNo Data Entered
RouteFederal Lands Road 1N04
CountyTuolumne County
StateCalifornia
Coordinates37.98545, -120.01957
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span108 ft (32.8 m)
Deck width33 ft (10 m)
Roadway width23 ft (7 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 closed98.2 mi (158 km)
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 Reed Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Winding Road over Reed 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 September 2024.

How much traffic does Winding Road over Reed Creek carry?

About 50 vehicles per day (latest count).

How long is Winding Road over Reed Creek?

The structure is 217 ft (66.1 m) long with a longest span of 108 ft (32.8 m) and a deck 33 ft wide.

Who owns Winding Road over Reed Creek?

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