US Bridges

Winding Road over Dinkey Creek

Fair

Fresno County, California · 11S40-29.8 · Structure no. 051552000001051

Built
1956
69 years old, rebuilt 1992
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
200
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over Dinkey Creek is a steel stringer/multi-beam or girder carrying Winding Road over Dinkey Creek in Fresno County, California. It was built in 1956 and reconstructed in 1992, so it is 69 years old, older 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2045. The structure is 149 ft (45.4 m) long and 27 ft wide.

CarriesWinding Road
CrossesDinkey Creek
Location11S40-29.8
RouteFederal Lands Road 11S04
Coordinates37.06291, -119.15656
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span65 ft (19.7 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (—)
Projected traffic300 by 2045
Trucks10%
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 Dinkey Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.

What condition is Winding Road over Dinkey 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 July 2022.

How much traffic does Winding Road over Dinkey Creek carry?

About 200 vehicles per day (latest count), of which roughly 10% are trucks.

How long is Winding Road over Dinkey Creek?

The structure is 149 ft (45.4 m) long with a longest span of 65 ft (19.7 m) and a deck 27 ft wide.

Who owns Winding Road over Dinkey Creek?

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