US Bridges

Cornell Road over HWY 47 US 26

Fair

Washington County, Oregon · 8.6 MI W of Portland Cc · Structure no. 08910A047 06601

Built
1993
32 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
272 ft
2 main spans
Daily traffic
19,535
2022 count
Owner
State
State Highway Agency

About this bridge

Cornell Road over HWY 47 US 26 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cornell Road over HWY 47 US 26 in Washington County, Oregon. It was built in 1993, so it is 32 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 6 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 19,535 vehicles a day, roughly 3% of them trucks, projected to reach 22,000 by 2030. The structure is 272 ft (82.9 m) long and 119 ft wide.

Location

Open in Google Maps
CarriesCornell Road
CrossesHWY 47 US 26
Location8.6 MI W of Portland Cc
RouteCounty Highway 26
CountyWashington County
StateOregon
Coordinates45.53077, -122.83805
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11 US tons
Inventory rating8.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length272 ft (82.9 m)
Longest span140 ft (42.7 m)
Deck width119 ft (36.3 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,535 (2022)
Projected traffic22,000 by 2030
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$5.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Cornell Road over HWY 47 US 26 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Cornell Road over HWY 47 US 26 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 October 2024.

How much traffic does Cornell Road over HWY 47 US 26 carry?

About 19,535 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Cornell Road over HWY 47 US 26?

The structure is 272 ft (82.9 m) long with a longest span of 140 ft (42.7 m) and a deck 119 ft wide.

Who owns Cornell Road over HWY 47 US 26?

It is owned by the State Highway Agency.