US Bridges

Rmp W to 2W WB over 2W EB to 61 NB Ramp E

Fair

Multnomah County, Oregon · W Fremont Intrchge · Structure no. 09268W061 00284

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
634 ft
4 main spans
Daily traffic
18,174
2022 count
Owner
State
State Highway Agency

About this bridge

Rmp W to 2W WB over 2W EB to 61 NB Ramp E is a steel continuous box beam or girders - multiple carrying Rmp W to 2W WB over 2W EB to 61 NB Ramp E in Multnomah County, Oregon. It was built in 1973, so it is 52 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 18,174 vehicles a day, roughly 8% of them trucks, projected to reach 19,800 by 2030. The structure is 634 ft (193.2 m) long and 44 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRmp W to 2W WB
Crosses2W EB to 61 NB Ramp E
LocationW Fremont Intrchge
RouteInterstate 405
StateOregon
Coordinates45.5348, -122.68787
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating30 US tons
Inventory rating23.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length634 ft (193.2 m)
Longest span172 ft (52.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,174 (2022)
Projected traffic19,800 by 2030
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rmp W to 2W WB over 2W EB to 61 NB Ramp E built?

It was built in 1973, making it 52 years old in 2025.

What condition is Rmp W to 2W WB over 2W EB to 61 NB Ramp E 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 Rmp W to 2W WB over 2W EB to 61 NB Ramp E carry?

About 18,174 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Rmp W to 2W WB over 2W EB to 61 NB Ramp E?

The structure is 634 ft (193.2 m) long with a longest span of 172 ft (52.4 m) and a deck 44 ft wide.

Who owns Rmp W to 2W WB over 2W EB to 61 NB Ramp E?

It is owned by the State Highway Agency.