US Bridges

HWY 026 over Willamette River/Oprr

Fair

Multnomah County, Oregon · In SE Portland · Structure no. 05054 026 00077

Built
1926
99 years old, rebuilt 2000
Condition
Fair
inspected June 2023
Type
Truss - Deck
Steel Continuous
Length
3,653 ft
5 main spans
Daily traffic
46,572
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 026 over Willamette River/Oprr is a steel continuous truss - deck carrying HWY 026 over Willamette River/Oprr in Multnomah County, Oregon. It was built in 1926 and reconstructed in 2000, so it is 99 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 46,572 vehicles a day, roughly 1% of them trucks, projected to reach 63,100 by 2042. The structure is 3,653 ft (1,113.4 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY 026
CrossesWillamette River/Oprr
LocationIn SE Portland
RouteU.S. Route 26
CountyMultnomah County
StateOregon
Coordinates45.50127, -122.66726
Functional classUrban Other Principal 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.
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment7: Better than present minimum criteria
Operating rating21.1 US tons
Inventory rating16.1 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+29 approach)
Design loadH 20
Structure length3,653 ft (1,113.4 m)
Longest span535 ft (163.1 m)
Deck width52 ft (15.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,572 (2022)
Projected traffic63,100 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$31.4 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was HWY 026 over Willamette River/Oprr built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2000.

What condition is HWY 026 over Willamette River/Oprr 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 HWY 026 over Willamette River/Oprr carry?

About 46,572 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is HWY 026 over Willamette River/Oprr?

The structure is 3,653 ft (1,113.4 m) long with a longest span of 535 ft (163.1 m) and a deck 52 ft wide.

Who owns HWY 026 over Willamette River/Oprr?

It is owned by the State Highway Agency.