US Bridges

NE 33rd Ave over B-9 over UPRR

Fair

Multnomah County, Oregon · 1 Block N of Dekum ST · Structure no. 02484 000 00014

Built
1929
96 years old, rebuilt 1938
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
275 ft
12 main spans
Daily traffic
10,762
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 33rd Ave over B-9 over UPRR is a concrete continuous stringer/multi-beam or girder carrying NE 33rd Ave over B-9 over UPRR in Multnomah County, Oregon. It was built in 1929 and reconstructed in 1938, so it is 96 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 10,762 vehicles a day, roughly 20% of them trucks, projected to reach 14,257 by 2025. The structure is 275 ft (83.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNE 33rd Ave
CrossesB-9 over UPRR
Location1 Block N of Dekum ST
RouteCity Street 9823
CountyMultnomah County
StateOregon
Coordinates45.57286, -122.63067
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating6.4 US tons
Inventory rating5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans12 (+2 approach)
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span63 ft (19.2 m)
Deck width50 ft (15.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,762 (2020)
Projected traffic14,257 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 33rd Ave over B-9 over UPRR built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1938.

What condition is NE 33rd Ave over B-9 over UPRR 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 over B-9 over UPRR carry?

About 10,762 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is NE 33rd Ave over B-9 over UPRR?

The structure is 275 ft (83.8 m) long with a longest span of 63 ft (19.2 m) and a deck 50 ft wide.

Who owns NE 33rd Ave over B-9 over UPRR?

It is owned by the City or Municipal Highway Agency.