US Bridges

County RD 281A over Hinkle Creek

FairPosted for load

Douglas County, Oregon · 13.5 MI E of Sutherlin · Structure no. 19C419281A00004

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
2 main spans
Daily traffic
61
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 281A over Hinkle Creek is a steel stringer/multi-beam or girder carrying County RD 281A over Hinkle Creek in Douglas County, Oregon. It was built in 1979, so it is 46 years old, younger 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 5 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 61 vehicles a day, projected to reach 71 by 2025. The structure is 66 ft (20.1 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty RD 281A
CrossesHinkle Creek
Location13.5 MI E of Sutherlin
RouteCounty Highway C281A
CountyDouglas County
StateOregon
Coordinates43.43724, -123.09259
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating14.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans2 (+1 approach)
Design loadH 20
Structure length66 ft (20.1 m)
Longest span45 ft (13.7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2020)
Projected traffic71 by 2025
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$338,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 281A over Hinkle Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is County RD 281A over Hinkle 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 April 2024.

How much traffic does County RD 281A over Hinkle Creek carry?

About 61 vehicles per day (2020 count).

How long is County RD 281A over Hinkle Creek?

The structure is 66 ft (20.1 m) long with a longest span of 45 ft (13.7 m) and a deck 18 ft wide.

Who owns County RD 281A over Hinkle Creek?

It is owned by the County Highway Agency.