US Bridges

Winding Road over NF Stanislaus River

Good

Calaveras County, California · No Data Entered · Structure no. 051652000001022

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
183 ft
3 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over NF Stanislaus River is a concrete slab carrying Winding Road over NF Stanislaus River in Calaveras County, California. It was built in 1999, so it is 26 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 183 ft (55.7 m) long and 35 ft wide.

CarriesWinding Road
CrossesNF Stanislaus River
LocationNo Data Entered
RouteFederal Lands Road 5N02
Coordinates38.32175, -120.21742
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating81 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length183 ft (55.7 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.6 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 NF Stanislaus River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Winding Road over NF 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 2024.

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

About 50 vehicles per day (latest count).

How long is Winding Road over NF Stanislaus River?

The structure is 183 ft (55.7 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns Winding Road over NF Stanislaus River?

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