US Bridges

190th Ave over Johnson Creek

FairPosted for load

Multnomah County, Oregon · 0002 S of Powell Blvd · Structure no. 51C21 062300001

Built
1949
76 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
11,561
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

190th Ave over Johnson Creek is a steel stringer/multi-beam or girder carrying 190th Ave over Johnson Creek 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 5 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 11,561 vehicles a day, roughly 10% of them trucks, projected to reach 15,487 by 2025. The structure is 33 ft (10.1 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries190th Ave
CrossesJohnson Creek
Location0002 S of Powell Blvd
RouteCounty Highway C0623
StateOregon
Coordinates45.48808, -122.4676
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9.3 US tons
Inventory rating7.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,561 (2020)
Projected traffic15,487 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$169,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 190th Ave over Johnson Creek built?

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

What condition is 190th Ave over Johnson Creek 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 July 2024.

How much traffic does 190th Ave over Johnson Creek carry?

About 11,561 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 190th Ave over Johnson Creek?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns 190th Ave over Johnson Creek?

It is owned by the City or Municipal Highway Agency.