US Bridges

HWY 091 over Columbia Blvd & UPRR

Fair

Multnomah County, Oregon · 4.8 MI N of Portland Cc · Structure no. 04518 01WX00484

Built
1929
96 years old
Condition
Fair
inspected February 2024
Type
Girder and Floorbeam System
Concrete Continuous
Length
689 ft
13 main spans
Daily traffic
12,202
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 091 over Columbia Blvd & UPRR is a concrete continuous girder and floorbeam system carrying HWY 091 over Columbia Blvd & UPRR in Multnomah County, Oregon. It was built in 1929, so it is 96 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 12,202 vehicles a day, roughly 3% of them trucks, projected to reach 13,600 by 2042. The structure is 689 ft (210.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY 091
CrossesColumbia Blvd & UPRR
Location4.8 MI N of Portland Cc
RouteState Highway 99
CountyMultnomah County
StateOregon
Coordinates45.58584, -122.68696
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadH 15
Structure length689 ft (210.1 m)
Longest span689 ft (210.1 m)
Deck width50 ft (15.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,202 (2022)
Projected traffic13,600 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$5.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 091 over Columbia Blvd & UPRR built?

It was built in 1929, making it 96 years old in 2025.

What condition is HWY 091 over Columbia Blvd & UPRR 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 February 2024.

How much traffic does HWY 091 over Columbia Blvd & UPRR carry?

About 12,202 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is HWY 091 over Columbia Blvd & UPRR?

The structure is 689 ft (210.1 m) long with a longest span of 689 ft (210.1 m) and a deck 50 ft wide.

Who owns HWY 091 over Columbia Blvd & UPRR?

It is owned by the State Highway Agency.