US Bridges

HWY 001 (I-5) Ramp over UPRR

Good

Multnomah County, Oregon · 305.92 MP HWY 001 Ramp · Structure no. 20651 001 00000

Built
2008
17 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
625 ft
3 main spans
Daily traffic
8,060
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 001 (I-5) Ramp over UPRR is a steel continuous stringer/multi-beam or girder carrying HWY 001 (I-5) Ramp over UPRR in Multnomah County, Oregon. It was built in 2008, so it is 17 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,060 vehicles a day, roughly 9% of them trucks, projected to reach 63,850 by 2040. The structure is 625 ft (190.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY 001 (I-5) Ramp
CrossesUPRR
Location305.92 MP HWY 001 Ramp
RouteInterstate 5
CountyMultnomah County
StateOregon
Coordinates45.58401, -122.67954
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length625 ft (190.5 m)
Longest span240 ft (73.2 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,060 (2022)
Projected traffic63,850 by 2040
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 HWY 001 (I-5) Ramp over UPRR built?

It was built in 2008, making it 17 years old in 2025.

What condition is HWY 001 (I-5) Ramp over UPRR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does HWY 001 (I-5) Ramp over UPRR carry?

About 8,060 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is HWY 001 (I-5) Ramp over UPRR?

The structure is 625 ft (190.5 m) long with a longest span of 240 ft (73.2 m) and a deck 39 ft wide.

Who owns HWY 001 (I-5) Ramp over UPRR?

It is owned by the State Highway Agency.