US Bridges

S Bank Chetco R RD over Mill Creek

FairPosted for load

Curry County, Oregon · 6.5 MI E Brookings · Structure no. 15C23 808 00579

Built
1957
68 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
115
2020 count
Owner
County
County Highway Agency

About this bridge

S Bank Chetco R RD over Mill Creek is a concrete tee beam carrying S Bank Chetco R RD over Mill Creek in Curry County, Oregon. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 115 vehicles a day, roughly 1% of them trucks, projected to reach 130 by 2025. The structure is 23 ft (7 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS Bank Chetco R RD
CrossesMill Creek
Location6.5 MI E Brookings
RouteCounty Highway 0A301
StateOregon
Coordinates42.08004, -124.18958
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2020)
Projected traffic130 by 2025
Trucks1%
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 S Bank Chetco R RD over Mill Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is S Bank Chetco R RD over Mill Creek 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 S Bank Chetco R RD over Mill Creek carry?

About 115 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is S Bank Chetco R RD over Mill Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns S Bank Chetco R RD over Mill Creek?

It is owned by the County Highway Agency.