US Bridges

N Bank Chetco R RD over N Fork Chetco River

Fair

Curry County, Oregon · 6.0 MI E Brookings · Structure no. 15C14 784 00537

Built
1952
73 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
165 ft
2 main spans
Daily traffic
1,848
2020 count
Owner
County
County Highway Agency

About this bridge

N Bank Chetco R RD over N Fork Chetco River is a steel continuous stringer/multi-beam or girder carrying N Bank Chetco R RD over N Fork Chetco River in Curry County, Oregon. It was built in 1952, so it is 73 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 1,848 vehicles a day, roughly 4% of them trucks, projected to reach 2,088 by 2025. The structure is 165 ft (50.3 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN Bank Chetco R RD
CrossesN Fork Chetco River
Location6.0 MI E Brookings
RouteCounty Highway 0A302
StateOregon
Coordinates42.07526, -124.21217
Functional classRural Major Collector

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span115 ft (35.1 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,848 (2020)
Projected traffic2,088 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Bank Chetco R RD over N Fork Chetco River built?

It was built in 1952, making it 73 years old in 2025.

What condition is N Bank Chetco R RD over N Fork 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 November 2024.

How much traffic does N Bank Chetco R RD over N Fork Chetco River carry?

About 1,848 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is N Bank Chetco R RD over N Fork Chetco River?

The structure is 165 ft (50.3 m) long with a longest span of 115 ft (35.1 m) and a deck 31 ft wide.

Who owns N Bank Chetco R RD over N Fork Chetco River?

It is owned by the County Highway Agency.