US Bridges

N Vancouver Ave over B-6 X Union Pacific R R

FairPosted for load

Multnomah County, Oregon · Btwn Col Blvd & Farragut · Structure no. 25B06 000 00062

Built
1929
96 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
398 ft
19 main spans
Daily traffic
8,813
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Vancouver Ave over B-6 X Union Pacific R R is a concrete continuous tee beam carrying N Vancouver Ave over B-6 X Union Pacific R R in Multnomah County, Oregon. It was built in 1929, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 8,813 vehicles a day, roughly 10% of them trucks, projected to reach 11,257 by 2025. The structure is 398 ft (121.3 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesN Vancouver Ave
CrossesB-6 X Union Pacific R R
LocationBtwn Col Blvd & Farragut
RouteCity Street 9957
CountyMultnomah County
StateOregon
Coordinates45.58043, -122.66814
Functional classUrban Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans19
Design loadH 20
Structure length398 ft (121.3 m)
Longest span21 ft (6.4 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,813 (2020)
Projected traffic11,257 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Vancouver Ave over B-6 X Union Pacific R R built?

It was built in 1929, making it 96 years old in 2025.

What condition is N Vancouver Ave over B-6 X Union Pacific R R 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 July 2024.

How much traffic does N Vancouver Ave over B-6 X Union Pacific R R carry?

About 8,813 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N Vancouver Ave over B-6 X Union Pacific R R?

The structure is 398 ft (121.3 m) long with a longest span of 21 ft (6.4 m) and a deck 58 ft wide.

Who owns N Vancouver Ave over B-6 X Union Pacific R R?

It is owned by the City or Municipal Highway Agency.