US Bridges

N Broadway ST over Interstate Ave

Fair

Multnomah County, Oregon · East End Broadway Br · Structure no. 06757C609300000

Built
1949
76 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
125 ft
2 main spans
Daily traffic
30,388
2020 count
Owner
County
County Highway Agency

About this bridge

N Broadway ST over Interstate Ave is a concrete continuous stringer/multi-beam or girder carrying N Broadway ST over Interstate Ave in Multnomah County, Oregon. It was built in 1949, so it is 76 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.

It carries about 30,388 vehicles a day, roughly 10% of them trucks, projected to reach 45,210 by 2025. The structure is 125 ft (38.1 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN Broadway ST
CrossesInterstate Ave
LocationEast End Broadway Br
RouteCity Street 9300
CountyMultnomah County
StateOregon
Coordinates45.53307, -122.67202
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length125 ft (38.1 m)
Longest span51 ft (15.5 m)
Deck width90 ft (27.4 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,388 (2020)
Projected traffic45,210 by 2025
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Broadway ST over Interstate Ave built?

It was built in 1949, making it 76 years old in 2025.

What condition is N Broadway ST over Interstate Ave 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 March 2023.

How much traffic does N Broadway ST over Interstate Ave carry?

About 30,388 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N Broadway ST over Interstate Ave?

The structure is 125 ft (38.1 m) long with a longest span of 51 ft (15.5 m) and a deck 90 ft wide.

Who owns N Broadway ST over Interstate Ave?

It is owned by the County Highway Agency.