US Bridges

Sunset Ave. over HWY 064

Fair

Clackamas County, Oregon · 0.9 MI S of Willamette R · Structure no. 09724 064 00828

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
239 ft
2 main spans
Daily traffic
5,357
2010 count
Owner
State
State Highway Agency

About this bridge

Sunset Ave. over HWY 064 is a prestressed concrete continuous box beam or girders - multiple carrying Sunset Ave. over HWY 064 in Clackamas County, Oregon. It was built in 1970, so it is 55 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 5,357 vehicles a day, roughly 9% of them trucks, projected to reach 6,556 by 2030. The structure is 239 ft (72.8 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSunset Ave.
CrossesHWY 064
Location0.9 MI S of Willamette R
RouteCounty Highway 0
StateOregon
Coordinates45.35753, -122.61765
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length239 ft (72.8 m)
Longest span126 ft (38.4 m)
Deck width60 ft (18.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,357 (2010)
Projected traffic6,556 by 2030
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sunset Ave. over HWY 064 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Sunset Ave. over HWY 064 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 2024.

How much traffic does Sunset Ave. over HWY 064 carry?

About 5,357 vehicles per day (2010 count), of which roughly 9% are trucks.

How long is Sunset Ave. over HWY 064?

The structure is 239 ft (72.8 m) long with a longest span of 126 ft (38.4 m) and a deck 60 ft wide.

Who owns Sunset Ave. over HWY 064?

It is owned by the State Highway Agency.