US Bridges

NE 28th Ave over B-27A X I-84/LT Rail

Fair

Multnomah County, Oregon · 1 Bl N of Sandy Blvd · Structure no. 07034D000000055

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
183 ft
3 main spans
Daily traffic
6,700
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 28th Ave over B-27A X I-84/LT Rail is a prestressed concrete slab carrying NE 28th Ave over B-27A X I-84/LT Rail 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 6,700 vehicles a day, roughly 1% of them trucks, projected to reach 7,450 by 2025. The structure is 183 ft (55.8 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNE 28th Ave
CrossesB-27A X I-84/LT Rail
Location1 Bl N of Sandy Blvd
RouteCity Street 9819
CountyMultnomah County
StateOregon
Coordinates45.53038, -122.63714
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+1 approach)
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span63 ft (19.2 m)
Deck width59 ft (18 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2020)
Projected traffic7,450 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
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$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 28th Ave over B-27A X I-84/LT Rail built?

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

What condition is NE 28th Ave over B-27A X I-84/LT Rail 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 28th Ave over B-27A X I-84/LT Rail carry?

About 6,700 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NE 28th Ave over B-27A X I-84/LT Rail?

The structure is 183 ft (55.8 m) long with a longest span of 63 ft (19.2 m) and a deck 59 ft wide.

Who owns NE 28th Ave over B-27A X I-84/LT Rail?

It is owned by the City or Municipal Highway Agency.