US Bridges

HWY 064 over HWY 026

Fair

Multnomah County, Oregon · 8.4 MI N Clackamas River · Structure no. 13531 064 01912

Built
1979
46 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
212 ft
3 main spans
Daily traffic
166,664
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 064 over HWY 026 is a concrete continuous box beam or girders - multiple carrying HWY 064 over HWY 026 in Multnomah County, Oregon. It was built in 1979, so it is 46 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 166,664 vehicles a day, roughly 8% of them trucks, projected to reach 188,100 by 2042. The structure is 212 ft (64.6 m) long and 150 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY 064
CrossesHWY 026
Location8.4 MI N Clackamas River
StateOregon
Coordinates45.49737, -122.56543
Functional classUrban Principal Arterial - Interstate

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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span112 ft (34.1 m)
Deck width150 ft (45.6 m)
Roadway width142 ft (43.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166,664 (2022)
Projected traffic188,100 by 2042
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
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 HWY 064 over HWY 026 built?

It was built in 1979, making it 46 years old in 2025.

What condition is HWY 064 over HWY 026 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 HWY 064 over HWY 026 carry?

About 166,664 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 064 over HWY 026?

The structure is 212 ft (64.6 m) long with a longest span of 112 ft (34.1 m) and a deck 150 ft wide.

Who owns HWY 064 over HWY 026?

It is owned by the State Highway Agency.