US Bridges

SW Highland Drive over Johnson Creek & Owp RY

Fair

Multnomah County, Oregon · 002 N of SE Powell Blvd · Structure no. 51B002000000000

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
273 ft
2 main spans
Daily traffic
11,263
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Highland Drive over Johnson Creek & Owp RY is a prestressed concrete stringer/multi-beam or girder carrying SW Highland Drive over Johnson Creek & Owp RY in Multnomah County, Oregon. It was built in 1985, so it is 40 years old, younger 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 11,263 vehicles a day, roughly 10% of them trucks, projected to reach 12,422 by 2025. The structure is 273 ft (83.2 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSW Highland Drive
CrossesJohnson Creek & Owp RY
Location002 N of SE Powell Blvd
RouteCity Street C0026
CountyMultnomah County
StateOregon
Coordinates45.48707, -122.4754
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span125 ft (38.1 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,263 (2020)
Projected traffic12,422 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Highland Drive over Johnson Creek & Owp RY built?

It was built in 1985, making it 40 years old in 2025.

What condition is SW Highland Drive over Johnson Creek & Owp RY 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 SW Highland Drive over Johnson Creek & Owp RY carry?

About 11,263 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SW Highland Drive over Johnson Creek & Owp RY?

The structure is 273 ft (83.2 m) long with a longest span of 125 ft (38.1 m) and a deck 54 ft wide.

Who owns SW Highland Drive over Johnson Creek & Owp RY?

It is owned by the City or Municipal Highway Agency.