US Bridges

Winding Road over Sf Stanislaus River

Good

Tuolumne County, California · No Data Entered · Structure no. 051600000019490

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over Sf Stanislaus River is a prestressed concrete slab carrying Winding Road over Sf Stanislaus River in Tuolumne County, California. It was built in 2015, so it is 10 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 50 ft (15.3 m) long and 32 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesWinding Road
CrossesSf Stanislaus River
LocationNo Data Entered
RouteFederal Lands Road 4N01
Coordinates38.17214, -120.06286
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length50 ft (15.3 m)
Longest span0 ft (0 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 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 closed620.7 mi (999 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 Sf Stanislaus River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Winding Road over Sf Stanislaus River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Winding Road over Sf Stanislaus River carry?

About 50 vehicles per day (latest count).

How long is Winding Road over Sf Stanislaus River?

The structure is 50 ft (15.3 m) long and a deck 32 ft wide.

Who owns Winding Road over Sf Stanislaus River?

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