US Bridges

NE 47th Ave over B-29 X I-84/UPRR/MAX

Fair

Multnomah County, Oregon · 4 Blks S of Halsey ST · Structure no. 07024A000 00135

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
316 ft
4 main spans
Daily traffic
12,372
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 47th Ave over B-29 X I-84/UPRR/MAX is a prestressed concrete box beam or girders - multiple carrying NE 47th Ave over B-29 X I-84/UPRR/MAX in Multnomah County, Oregon. It was built in 1985, so it is 40 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 12,372 vehicles a day, roughly 1% of them trucks, projected to reach 16,735 by 2025. The structure is 316 ft (96.3 m) long and 53 ft wide.

Location

Open in Google Maps
CarriesNE 47th Ave
CrossesB-29 X I-84/UPRR/MAX
Location4 Blks S of Halsey ST
RouteCity Street 9837
CountyMultnomah County
StateOregon
Coordinates45.53061, -122.61502
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span105 ft (32 m)
Deck width53 ft (16.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,372 (2020)
Projected traffic16,735 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 47th Ave over B-29 X I-84/UPRR/MAX built?

It was built in 1985, making it 40 years old in 2025.

What condition is NE 47th Ave over B-29 X I-84/UPRR/MAX 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 June 2023.

How much traffic does NE 47th Ave over B-29 X I-84/UPRR/MAX carry?

About 12,372 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NE 47th Ave over B-29 X I-84/UPRR/MAX?

The structure is 316 ft (96.3 m) long with a longest span of 105 ft (32 m) and a deck 53 ft wide.

Who owns NE 47th Ave over B-29 X I-84/UPRR/MAX?

It is owned by the City or Municipal Highway Agency.