US Bridges

NW Couch ST over HWY 61 NB Conn 2

Fair

Multnomah County, Oregon · 0.5 MI W of Portland Cc · Structure no. 09280 061 00233

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
45 ft
1 main span
Daily traffic
11,118
2022 count
Owner
State
State Highway Agency

About this bridge

NW Couch ST over HWY 61 NB Conn 2 is a concrete frame carrying NW Couch ST over HWY 61 NB Conn 2 in Multnomah County, Oregon. It was built in 1968, so it is 57 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 5 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 11,118 vehicles a day, roughly 6% of them trucks, projected to reach 27,132 by 2030. The structure is 45 ft (13.6 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNW Couch ST
CrossesHWY 61 NB Conn 2
Location0.5 MI W of Portland Cc
RouteCity Street 405
CountyMultnomah County
StateOregon
Coordinates45.52362, -122.68575
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span40 ft (12.2 m)
Deck width68 ft (20.6 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,118 (2022)
Projected traffic27,132 by 2030
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$415,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW Couch ST over HWY 61 NB Conn 2 built?

It was built in 1968, making it 57 years old in 2025.

What condition is NW Couch ST over HWY 61 NB Conn 2 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 2023.

How much traffic does NW Couch ST over HWY 61 NB Conn 2 carry?

About 11,118 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NW Couch ST over HWY 61 NB Conn 2?

The structure is 45 ft (13.6 m) long with a longest span of 40 ft (12.2 m) and a deck 68 ft wide.

Who owns NW Couch ST over HWY 61 NB Conn 2?

It is owned by the State Highway Agency.