US Bridges

Winding Road over Dinkey Creek

PoorPosted for load

Fresno County, California · 11S02-0.1 · Structure no. 051552000001052

Built
1938
87 years old, rebuilt 1991
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
131 ft
1 main span
Daily traffic
110
2016 count
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road over Dinkey Creek is a steel truss - thru carrying Winding Road over Dinkey Creek in Fresno County, California. It was built in 1938 and reconstructed in 1991, so it is 87 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 50% of them trucks, projected to reach 165 by 2045. The structure is 131 ft (39.8 m) long and 16 ft wide.

CarriesWinding Road
CrossesDinkey Creek
Location11S02-0.1
RouteFederal Lands Road 11S00
Coordinates36.9034, -119.123
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating24.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length131 ft (39.8 m)
Longest span131 ft (39.8 m)
Deck width16 ft (5 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2016)
Projected traffic165 by 2045
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesOverpass structure at an interchange
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 1938, making it 87 years old in 2025. It was reconstructed in 1991.

What condition is Winding Road over Dinkey Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Winding Road over Dinkey Creek carry?

About 110 vehicles per day (2016 count), of which roughly 50% are trucks.

How long is Winding Road over Dinkey Creek?

The structure is 131 ft (39.8 m) long with a longest span of 131 ft (39.8 m) and a deck 16 ft wide.

Who owns Winding Road over Dinkey Creek?

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