US Bridges

NE 39th Ave over B-28 over I-84 and UPRR

Fair

Multnomah County, Oregon · Immediately S. of Halsey · Structure no. 07042B000000000

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
301 ft
6 main spans
Daily traffic
24,120
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 39th Ave over B-28 over I-84 and UPRR is a prestressed concrete slab carrying NE 39th Ave over B-28 over I-84 and UPRR 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 24,120 vehicles a day, roughly 1% of them trucks, projected to reach 26,601 by 2025. The structure is 301 ft (91.7 m) long and 97 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNE 39th Ave
CrossesB-28 over I-84 and UPRR
LocationImmediately S. of Halsey
RouteCity Street 9699
CountyMultnomah County
StateOregon
Coordinates45.53327, -122.62297
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span60 ft (18.3 m)
Deck width97 ft (29.6 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,120 (2020)
Projected traffic26,601 by 2025
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 39th Ave over B-28 over I-84 and UPRR built?

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

What condition is NE 39th Ave over B-28 over I-84 and 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 June 2023.

How much traffic does NE 39th Ave over B-28 over I-84 and UPRR carry?

About 24,120 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NE 39th Ave over B-28 over I-84 and UPRR?

The structure is 301 ft (91.7 m) long with a longest span of 60 ft (18.3 m) and a deck 97 ft wide.

Who owns NE 39th Ave over B-28 over I-84 and UPRR?

It is owned by the City or Municipal Highway Agency.