US Bridges

Highland RD Intchg over HWY 47 US 26

Fair

Multnomah County, Oregon · 2.3 MI W of Portland Cc · Structure no. 17368 047C07219

Built
1995
30 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
3,604
2022 count
Owner
State
State Highway Agency

About this bridge

Highland RD Intchg over HWY 47 US 26 is a prestressed concrete box beam or girders - multiple carrying Highland RD Intchg over HWY 47 US 26 in Multnomah County, Oregon. It was built in 1995, so it is 30 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 3,604 vehicles a day, roughly 4% of them trucks, projected to reach 4,300 by 2030. The structure is 129 ft (39.3 m) long and 44 ft wide.

CarriesHighland RD Intchg
CrossesHWY 47 US 26
Location2.3 MI W of Portland Cc
RouteU.S. Route 26
StateOregon
Coordinates45.50726, -122.71923
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length129 ft (39.3 m)
Longest span129 ft (39.3 m)
Deck width44 ft (13.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,604 (2022)
Projected traffic4,300 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Highland RD Intchg over HWY 47 US 26 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Highland RD Intchg over HWY 47 US 26 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 October 2024.

How much traffic does Highland RD Intchg over HWY 47 US 26 carry?

About 3,604 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Highland RD Intchg over HWY 47 US 26?

The structure is 129 ft (39.3 m) long with a longest span of 129 ft (39.3 m) and a deck 44 ft wide.

Who owns Highland RD Intchg over HWY 47 US 26?

It is owned by the State Highway Agency.