US Bridges

Wilsonville RD over Corral Creek

Fair

Clackamas County, Oregon · 015 MI SW Wilsonville · Structure no. 06015 013 00437

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
34 ft
2 main spans
Daily traffic
2,626
2020 count
Owner
County
County Highway Agency

About this bridge

Wilsonville RD over Corral Creek is a concrete channel beam carrying Wilsonville RD over Corral Creek in Clackamas County, Oregon. It was built in 1958, so it is 67 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 2,626 vehicles a day, roughly 7% of them trucks, projected to reach 2,666 by 2025. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWilsonville RD
CrossesCorral Creek
Location015 MI SW Wilsonville
RouteCounty Highway 0A619
StateOregon
Coordinates45.29318, -122.80449
Functional classUrban 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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,626 (2020)
Projected traffic2,666 by 2025
Trucks7%
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$174,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilsonville RD over Corral Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Wilsonville RD over Corral 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 May 2023.

How much traffic does Wilsonville RD over Corral Creek carry?

About 2,626 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Wilsonville RD over Corral Creek?

The structure is 34 ft (10.4 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns Wilsonville RD over Corral Creek?

It is owned by the County Highway Agency.