US Bridges

Conn to HWY 61 NB over Fremont on Ramp

Fair

Multnomah County, Oregon · West Fremont Interchange · Structure no. 09268E02W 00146

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
638 ft
4 main spans
Daily traffic
19,782
2022 count
Owner
State
State Highway Agency

About this bridge

Conn to HWY 61 NB over Fremont on Ramp is a steel continuous box beam or girders - single or spread carrying Conn to HWY 61 NB over Fremont on Ramp 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 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 19,782 vehicles a day, roughly 12% of them trucks, projected to reach 22,750 by 2042. The structure is 638 ft (194.4 m) long and 44 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesConn to HWY 61 NB
CrossesFremont on Ramp
LocationWest Fremont Interchange
RouteU.S. Route 30
CountyMultnomah County
StateOregon
Coordinates45.53519, -122.69092
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length638 ft (194.4 m)
Longest span172 ft (52.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic19,782 (2022)
Projected traffic22,750 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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$4.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Conn to HWY 61 NB over Fremont on Ramp built?

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

What condition is Conn to HWY 61 NB over Fremont on Ramp 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 Conn to HWY 61 NB over Fremont on Ramp carry?

About 19,782 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Conn to HWY 61 NB over Fremont on Ramp?

The structure is 638 ft (194.4 m) long with a longest span of 172 ft (52.5 m) and a deck 44 ft wide.

Who owns Conn to HWY 61 NB over Fremont on Ramp?

It is owned by the State Highway Agency.