US Bridges

County RD 1 over Oshea Creek

Fair

Douglas County, Oregon · 1.0 MI E of Canyonville · Structure no. 19C468 1 385

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
157 ft
3 main spans
Daily traffic
5,076
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 1 over Oshea Creek is a concrete continuous tee beam carrying County RD 1 over Oshea Creek in Douglas County, Oregon. It was built in 1959, so it is 66 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 5 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 5,076 vehicles a day, roughly 15% of them trucks, projected to reach 5,741 by 2025. The structure is 157 ft (47.9 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesCounty RD 1
CrossesOshea Creek
Location1.0 MI E of Canyonville
RouteCounty Highway 0A410
CountyDouglas County
StateOregon
Coordinates42.93115, -123.26642
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length157 ft (47.9 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,076 (2020)
Projected traffic5,741 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$804,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1 over Oshea Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is County RD 1 over Oshea 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 June 2023.

How much traffic does County RD 1 over Oshea Creek carry?

About 5,076 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is County RD 1 over Oshea Creek?

The structure is 157 ft (47.9 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns County RD 1 over Oshea Creek?

It is owned by the County Highway Agency.