US Bridges

Cornell Road over B-121 (1st E. of Tunnel)

Fair

Multnomah County, Oregon · In N W Portland · Structure no. 11037A140900000

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
136 ft
3 main spans
Daily traffic
11,263
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cornell Road over B-121 (1st E. of Tunnel) is a steel continuous stringer/multi-beam or girder carrying Cornell Road over B-121 (1st E. of Tunnel) in Multnomah County, Oregon. It was built in 1986, so it is 39 years old, younger 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 11,263 vehicles a day, roughly 1% of them trucks, projected to reach 15,028 by 2025. The structure is 136 ft (41.5 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCornell Road
CrossesB-121 (1st E. of Tunnel)
LocationIn N W Portland
RouteCity Street 9022
CountyMultnomah County
StateOregon
Coordinates45.52947, -122.72024
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.3 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span52 ft (15.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,263 (2020)
Projected traffic15,028 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cornell Road over B-121 (1st E. of Tunnel) built?

It was built in 1986, making it 39 years old in 2025.

What condition is Cornell Road over B-121 (1st E. of Tunnel) 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 September 2024.

How much traffic does Cornell Road over B-121 (1st E. of Tunnel) carry?

About 11,263 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Cornell Road over B-121 (1st E. of Tunnel)?

The structure is 136 ft (41.5 m) long with a longest span of 52 ft (15.9 m) and a deck 35 ft wide.

Who owns Cornell Road over B-121 (1st E. of Tunnel)?

It is owned by the City or Municipal Highway Agency.