US Bridges

NE Airport Way over B-136 X Columbia Slough

Fair

Multnomah County, Oregon · Apw Bridge a E. of 165th · Structure no. 25B136000000000

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
137 ft
2 main spans
Daily traffic
15,271
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE Airport Way over B-136 X Columbia Slough is a prestressed concrete box beam or girders - multiple carrying NE Airport Way over B-136 X Columbia Slough in Multnomah County, Oregon. It was built in 1992, so it is 33 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 15,271 vehicles a day, roughly 10% of them trucks, projected to reach 21,197 by 2025. The structure is 137 ft (41.8 m) long and 73 ft wide.

Location

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CarriesNE Airport Way
CrossesB-136 X Columbia Slough
LocationApw Bridge a E. of 165th
RouteCity Street 9964
CountyMultnomah County
StateOregon
Coordinates45.55507, -122.49106
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating52.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length137 ft (41.8 m)
Longest span66 ft (20.1 m)
Deck width73 ft (22.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,271 (2020)
Projected traffic21,197 by 2025
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE Airport Way over B-136 X Columbia Slough built?

It was built in 1992, making it 33 years old in 2025.

What condition is NE Airport Way over B-136 X Columbia Slough 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 2024.

How much traffic does NE Airport Way over B-136 X Columbia Slough carry?

About 15,271 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is NE Airport Way over B-136 X Columbia Slough?

The structure is 137 ft (41.8 m) long with a longest span of 66 ft (20.1 m) and a deck 73 ft wide.

Who owns NE Airport Way over B-136 X Columbia Slough?

It is owned by the City or Municipal Highway Agency.