US Bridges

72nd Ave over HWY 144

Fair

Washington County, Oregon · 0.8 MI S of HWY 1-W · Structure no. 09565 144 00669

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
2 main spans
Daily traffic
102,600
2010 count
Owner
State
State Highway Agency

About this bridge

72nd Ave over HWY 144 is a steel continuous stringer/multi-beam or girder carrying 72nd Ave over HWY 144 in Washington County, Oregon. It was built in 1967, so it is 58 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 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 102,600 vehicles a day, roughly 4% of them trucks, projected to reach 106,300 by 2030. The structure is 290 ft (88.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries72nd Ave
CrossesHWY 144
Location0.8 MI S of HWY 1-W
RouteCity Street 0
StateOregon
Coordinates45.42629, -122.75163
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length290 ft (88.4 m)
Longest span138 ft (42.1 m)
Deck width50 ft (15.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,600 (2010)
Projected traffic106,300 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 72nd Ave over HWY 144 built?

It was built in 1967, making it 58 years old in 2025.

What condition is 72nd Ave over HWY 144 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 June 2024.

How much traffic does 72nd Ave over HWY 144 carry?

About 102,600 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is 72nd Ave over HWY 144?

The structure is 290 ft (88.4 m) long with a longest span of 138 ft (42.1 m) and a deck 50 ft wide.

Who owns 72nd Ave over HWY 144?

It is owned by the State Highway Agency.