US Bridges

Burnside ST over West Burnside Approach

FairPosted for load

Multnomah County, Oregon · West End Burnside Br · Structure no. 00511A932600000

Built
1927
98 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Concrete
Length
618 ft
3 main spans
Daily traffic
60,407
2020 count
Owner
County
County Highway Agency

About this bridge

Burnside ST over West Burnside Approach is a concrete girder and floorbeam system carrying Burnside ST over West Burnside Approach in Multnomah County, Oregon. It was built in 1927, so it is 98 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. Its operating status is: posted for load restriction.

It carries about 60,407 vehicles a day, roughly 10% of them trucks, projected to reach 90,674 by 2025. The structure is 618 ft (188.4 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBurnside ST
CrossesWest Burnside Approach
LocationWest End Burnside Br
RouteCity Street 9326
CountyMultnomah County
StateOregon
Coordinates45.5231, -122.67028
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.3 US tons
Inventory rating12.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+16 approach)
Design loadHS 15
Structure length618 ft (188.4 m)
Longest span63 ft (19.2 m)
Deck width86 ft (26.2 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,407 (2020)
Projected traffic90,674 by 2025
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$8.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Burnside ST over West Burnside Approach built?

It was built in 1927, making it 98 years old in 2025.

What condition is Burnside ST over West Burnside Approach 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 June 2023.

How much traffic does Burnside ST over West Burnside Approach carry?

About 60,407 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Burnside ST over West Burnside Approach?

The structure is 618 ft (188.4 m) long with a longest span of 63 ft (19.2 m) and a deck 86 ft wide.

Who owns Burnside ST over West Burnside Approach?

It is owned by the County Highway Agency.