US Bridges

Quines CR RD over Cow Creek

Fair

Douglas County, Oregon · At Quines Creek Exit · Structure no. 19C335 96 016

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
210 ft
3 main spans
Daily traffic
537
2020 count
Owner
County
County Highway Agency

About this bridge

Quines CR RD over Cow Creek is a concrete continuous tee beam carrying Quines CR RD over Cow Creek in Douglas County, Oregon. It was built in 1965, so it is 60 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 537 vehicles a day, roughly 5% of them trucks, projected to reach 607 by 2025. The structure is 210 ft (64 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesQuines CR RD
CrossesCow Creek
LocationAt Quines Creek Exit
RouteCounty Highway C0096
StateOregon
Coordinates42.78004, -123.28027
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span68 ft (20.7 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic537 (2020)
Projected traffic607 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Quines CR RD over Cow Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Quines CR RD over Cow 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 Quines CR RD over Cow Creek carry?

About 537 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Quines CR RD over Cow Creek?

The structure is 210 ft (64 m) long with a longest span of 68 ft (20.7 m) and a deck 36 ft wide.

Who owns Quines CR RD over Cow Creek?

It is owned by the County Highway Agency.