US Bridges

I-5 (hwy 001) Con over City Streets/Omsi

Good

Multnomah County, Oregon · E. Bank of Willamette R. · Structure no. 08590Y001C30068

Built
1992
33 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
622 ft
7 main spans
Daily traffic
42,700
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) Con over City Streets/Omsi is a prestressed concrete stringer/multi-beam or girder carrying I-5 (hwy 001) Con over City Streets/Omsi in Multnomah County, Oregon. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 42,700 vehicles a day, roughly 10% of them trucks, projected to reach 45,300 by 2042. The structure is 622 ft (189.6 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-5 (hwy 001) Con
CrossesCity Streets/Omsi
LocationE. Bank of Willamette R.
RouteInterstate 5
CountyMultnomah County
StateOregon
Coordinates45.51269, -122.66742
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length622 ft (189.6 m)
Longest span93 ft (28.3 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,700 (2022)
Projected traffic45,300 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) Con over City Streets/Omsi built?

It was built in 1992, making it 33 years old in 2025.

What condition is I-5 (hwy 001) Con over City Streets/Omsi 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 February 2023.

How much traffic does I-5 (hwy 001) Con over City Streets/Omsi carry?

About 42,700 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I-5 (hwy 001) Con over City Streets/Omsi?

The structure is 622 ft (189.6 m) long with a longest span of 93 ft (28.3 m) and a deck 37 ft wide.

Who owns I-5 (hwy 001) Con over City Streets/Omsi?

It is owned by the State Highway Agency.