US Bridges

NW Broadway Ramp over Broadway ST Conn

Poor

Multnomah County, Oregon · West End Broadway Br · Structure no. 06757A609300000

Built
1913
112 years old, rebuilt 1927
Condition
Poor
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
495 ft
9 main spans
Daily traffic
30,388
2020 count
Owner
County
County Highway Agency

About this bridge

NW Broadway Ramp over Broadway ST Conn is a steel girder and floorbeam system carrying NW Broadway Ramp over Broadway ST Conn in Multnomah County, Oregon. It was built in 1913 and reconstructed in 1927, so it is 112 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 30,388 vehicles a day, roughly 10% of them trucks, projected to reach 45,210 by 2025. The structure is 495 ft (150.9 m) long and 61 ft wide.

CarriesNW Broadway Ramp
CrossesBroadway ST Conn
LocationWest End Broadway Br
RouteCity Street 9300
StateOregon
Coordinates45.52918, -122.67765
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadRailroad
Structure length495 ft (150.9 m)
Longest span55 ft (16.8 m)
Deck width61 ft (18.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,388 (2020)
Projected traffic45,210 by 2025
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$3.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW Broadway Ramp over Broadway ST Conn built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 1927.

What condition is NW Broadway Ramp over Broadway ST Conn in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does NW Broadway Ramp over Broadway ST Conn carry?

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

How long is NW Broadway Ramp over Broadway ST Conn?

The structure is 495 ft (150.9 m) long with a longest span of 55 ft (16.8 m) and a deck 61 ft wide.

Who owns NW Broadway Ramp over Broadway ST Conn?

It is owned by the County Highway Agency.