US Bridges

US 26 (hwy 026) EB over HWY 61 I-405

Fair

Multnomah County, Oregon · 1.0 MI S Portland Cc · Structure no. 09153R026 00002

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
196 ft
2 main spans
Daily traffic
28,296
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 026) EB over HWY 61 I-405 is a prestressed concrete stringer/multi-beam or girder carrying US 26 (hwy 026) EB over HWY 61 I-405 in Multnomah County, Oregon. It was built in 1964, so it is 61 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 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 28,296 vehicles a day, roughly 1% of them trucks, projected to reach 30,300 by 2042. The structure is 196 ft (59.7 m) long and 35 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesUS 26 (hwy 026) EB
CrossesHWY 61 I-405
Location1.0 MI S Portland Cc
RouteU.S. Route 26
CountyMultnomah County
StateOregon
Coordinates45.50534, -122.67743
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span97 ft (29.6 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,296 (2022)
Projected traffic30,300 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed4.3 mi (7 km)
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$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 26 (hwy 026) EB over HWY 61 I-405 built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 26 (hwy 026) EB over HWY 61 I-405 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 July 2023.

How much traffic does US 26 (hwy 026) EB over HWY 61 I-405 carry?

About 28,296 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is US 26 (hwy 026) EB over HWY 61 I-405?

The structure is 196 ft (59.7 m) long with a longest span of 97 ft (29.6 m) and a deck 35 ft wide.

Who owns US 26 (hwy 026) EB over HWY 61 I-405?

It is owned by the State Highway Agency.