US Bridges

Winding Road over Jackass Creek

Good

Madera County, California · No Data Entered · Structure no. 051551000001003

Built
1957
68 years old, rebuilt 2007
Condition
Good
inspected July 2023
Type
Other
Concrete
Length
65 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over Jackass Creek is a concrete other carrying Winding Road over Jackass Creek in Madera County, California. It was built in 1957 and reconstructed in 2007, so it is 68 years old, older 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 65 ft (19.9 m) long and 30 ft wide.

CarriesWinding Road
CrossesJackass Creek
LocationNo Data Entered
RouteFederal Lands Road 4S08
Coordinates37.4339, -119.2968
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.9 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9 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 Jackass Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2007.

What condition is Winding Road over Jackass Creek 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 July 2023.

How much traffic does Winding Road over Jackass Creek carry?

About 50 vehicles per day (latest count).

How long is Winding Road over Jackass Creek?

The structure is 65 ft (19.9 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns Winding Road over Jackass Creek?

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