US Bridges

Winchuck Chetco RD over Winchuck River

Fair

Curry County, Oregon · 9 MI East HWY101 · Structure no. 061101000001163

Built
1954
71 years old
Condition
Fair
inspected July 2024
Type
Frame
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
69
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Winchuck Chetco RD over Winchuck River is a concrete continuous frame carrying Winchuck Chetco RD over Winchuck River in Curry County, Oregon. It was built in 1954, so it is 71 years old, older than the Oregon average of 49.9 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 69 vehicles a day, projected to reach 103 by 2045. The structure is 120 ft (36.6 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesWinchuck Chetco RD
CrossesWinchuck River
Location9 MI East HWY101
RouteFederal Lands Road 11070
CountyCurry County
StateOregon
Coordinates42.01947, -124.10586
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating27 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span80 ft (24.4 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (1995)
Projected traffic103 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Winchuck Chetco RD over Winchuck River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Winchuck Chetco RD over Winchuck River 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 2024.

How much traffic does Winchuck Chetco RD over Winchuck River carry?

About 69 vehicles per day (1995 count).

How long is Winchuck Chetco RD over Winchuck River?

The structure is 120 ft (36.6 m) long with a longest span of 80 ft (24.4 m) and a deck 16 ft wide.

Who owns Winchuck Chetco RD over Winchuck River?

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