US Bridges

NE 33rd Ave Ramp over B-9A X NE Columbia Blvd

Fair

Multnomah County, Oregon · 1 Block N of Dekum ST · Structure no. 02484A000 00014

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
530 ft
2 main spans
Daily traffic
5,161
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 33rd Ave Ramp over B-9A X NE Columbia Blvd is a steel girder and floorbeam system carrying NE 33rd Ave Ramp over B-9A X NE Columbia Blvd 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 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 5,161 vehicles a day, roughly 20% of them trucks, projected to reach 5,692 by 2025. The structure is 530 ft (161.5 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNE 33rd Ave Ramp
CrossesB-9A X NE Columbia Blvd
Location1 Block N of Dekum ST
RouteCity Street 9823
CountyMultnomah County
StateOregon
Coordinates45.57342, -122.6298
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+13 approach)
Design loadHS 20
Structure length530 ft (161.5 m)
Longest span56 ft (17.1 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,161 (2020)
Projected traffic5,692 by 2025
Trucks20%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 33rd Ave Ramp over B-9A X NE Columbia Blvd built?

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

What condition is NE 33rd Ave Ramp over B-9A X NE Columbia Blvd 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 33rd Ave Ramp over B-9A X NE Columbia Blvd carry?

About 5,161 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is NE 33rd Ave Ramp over B-9A X NE Columbia Blvd?

The structure is 530 ft (161.5 m) long with a longest span of 56 ft (17.1 m) and a deck 22 ft wide.

Who owns NE 33rd Ave Ramp over B-9A X NE Columbia Blvd?

It is owned by the City or Municipal Highway Agency.