US Bridges

NE 74th Ave over B-22A X I-84/LT Rail

Fair

Multnomah County, Oregon · 2 Blocks NE Halsey ST · Structure no. 07030B000000015

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
3,474
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 74th Ave over B-22A X I-84/LT Rail is a prestressed concrete box beam or girders - multiple carrying NE 74th Ave over B-22A 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 3,474 vehicles a day, roughly 1% of them trucks, projected to reach 3,832 by 2025. The structure is 148 ft (45.1 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNE 74th Ave
CrossesB-22A X I-84/LT Rail
Location2 Blocks NE Halsey ST
RouteCity Street C0000
CountyMultnomah County
StateOregon
Coordinates45.53577, -122.58716
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span52 ft (15.8 m)
Deck width50 ft (15.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,474 (2020)
Projected traffic3,832 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 74th Ave over B-22A X I-84/LT Rail built?

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

What condition is NE 74th Ave over B-22A 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 74th Ave over B-22A X I-84/LT Rail carry?

About 3,474 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NE 74th Ave over B-22A X I-84/LT Rail?

The structure is 148 ft (45.1 m) long with a longest span of 52 ft (15.8 m) and a deck 50 ft wide.

Who owns NE 74th Ave over B-22A X I-84/LT Rail?

It is owned by the City or Municipal Highway Agency.