US Bridges

US101(HWY009) over Chetco River

Fair

Curry County, Oregon · 05.1 MI N or - Calif S L · Structure no. 01143D009 35798

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,114 ft
7 main spans
Daily traffic
18,250
2022 count
Owner
State
State Highway Agency

About this bridge

US101(HWY009) over Chetco River is a prestressed concrete continuous box beam or girders - multiple carrying US101(HWY009) over Chetco River in Curry County, Oregon. It was built in 1972, so it is 53 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 18,250 vehicles a day, roughly 3% of them trucks, projected to reach 18,400 by 2042. The structure is 1,114 ft (339.5 m) long and 87 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS101(HWY009)
CrossesChetco River
Location05.1 MI N or - Calif S L
RouteU.S. Route 101
StateOregon
Coordinates42.05493, -124.26915
Functional classUrban Other Principal Arterial

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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length1,114 ft (339.5 m)
Longest span240 ft (73.2 m)
Deck width87 ft (26.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,250 (2022)
Projected traffic18,400 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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$5.7 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US101(HWY009) over Chetco River built?

It was built in 1972, making it 53 years old in 2025.

What condition is US101(HWY009) over Chetco 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 Chetco River carry?

About 18,250 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is US101(HWY009) over Chetco River?

The structure is 1,114 ft (339.5 m) long with a longest span of 240 ft (73.2 m) and a deck 87 ft wide.

Who owns US101(HWY009) over Chetco River?

It is owned by the State Highway Agency.