US Bridges

HWY 081 over NE 6th Ave

Fair

Multnomah County, Oregon · 1.1 MI S of I-5 JCT · Structure no. 07297 01EX00487

Built
1950
75 years old
Condition
Fair
inspected January 2025
Type
Frame
Concrete
Length
35 ft
1 main span
Daily traffic
16,641
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 081 over NE 6th Ave is a concrete frame carrying HWY 081 over NE 6th Ave in Multnomah County, Oregon. It was built in 1950, so it is 75 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 16,641 vehicles a day, roughly 8% of them trucks, projected to reach 23,900 by 2042. The structure is 35 ft (10.6 m) long and 84 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHWY 081
CrossesNE 6th Ave
Location1.1 MI S of I-5 JCT
RouteState Highway 99
CountyMultnomah County
StateOregon
Coordinates45.59271, -122.66769
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span32 ft (9.8 m)
Deck width84 ft (25.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,641 (2022)
Projected traffic23,900 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$169,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 081 over NE 6th Ave built?

It was built in 1950, making it 75 years old in 2025.

What condition is HWY 081 over NE 6th Ave 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 January 2025.

How much traffic does HWY 081 over NE 6th Ave carry?

About 16,641 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 081 over NE 6th Ave?

The structure is 35 ft (10.6 m) long with a longest span of 32 ft (9.8 m) and a deck 84 ft wide.

Who owns HWY 081 over NE 6th Ave?

It is owned by the State Highway Agency.