US Bridges

US 26 (hwy 047) CO over HWY 061 I-405

Fair

Multnomah County, Oregon · W Side Portland Cc · Structure no. 09254D047 07394

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
205 ft
2 main spans
Daily traffic
11,496
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 047) CO over HWY 061 I-405 is a concrete continuous box beam or girders - multiple carrying US 26 (hwy 047) CO over HWY 061 I-405 in Multnomah County, Oregon. It was built in 1967, so it is 58 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 11,496 vehicles a day, roughly 4% of them trucks, projected to reach 11,600 by 2042. The structure is 205 ft (62.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 26 (hwy 047) CO
CrossesHWY 061 I-405
LocationW Side Portland Cc
RouteU.S. Route 26
CountyMultnomah County
StateOregon
Coordinates45.5149, -122.68901
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span118 ft (36 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,496 (2022)
Projected traffic11,600 by 2042
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 26 (hwy 047) CO over HWY 061 I-405 built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 26 (hwy 047) CO over HWY 061 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 047) CO over HWY 061 I-405 carry?

About 11,496 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is US 26 (hwy 047) CO over HWY 061 I-405?

The structure is 205 ft (62.5 m) long with a longest span of 118 ft (36 m) and a deck 36 ft wide.

Who owns US 26 (hwy 047) CO over HWY 061 I-405?

It is owned by the State Highway Agency.