US Bridges

US101(HWY009) over Winchuck River

Fair

Curry County, Oregon · 00.5 MI N or - Calif S L · Structure no. 09091A009 36261

Built
1965
60 years old, rebuilt 1983
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
360 ft
3 main spans
Daily traffic
8,930
2022 count
Owner
State
State Highway Agency

About this bridge

US101(HWY009) over Winchuck River is a concrete continuous box beam or girders - multiple carrying US101(HWY009) over Winchuck River in Curry County, Oregon. It was built in 1965 and reconstructed in 1983, so it is 60 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 8,930 vehicles a day, roughly 21% of them trucks, projected to reach 9,000 by 2042. The structure is 360 ft (109.7 m) long and 44 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesUS101(HWY009)
CrossesWinchuck River
Location00.5 MI N or - Calif S L
RouteU.S. Route 101
CountyCurry County
StateOregon
Coordinates42.00537, -124.21022
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.3 US tons
Inventory rating14.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span140 ft (42.7 m)
Deck width44 ft (13.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,930 (2022)
Projected traffic9,000 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US101(HWY009) over Winchuck River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1983.

What condition is US101(HWY009) 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 April 2023.

How much traffic does US101(HWY009) over Winchuck River carry?

About 8,930 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is US101(HWY009) over Winchuck River?

The structure is 360 ft (109.7 m) long with a longest span of 140 ft (42.7 m) and a deck 44 ft wide.

Who owns US101(HWY009) over Winchuck River?

It is owned by the State Highway Agency.