US Bridges

HWY 064 Conn over West Bridge Park

FairClosed to traffic

Clackamas County, Oregon · W End of West Linn Bridge · Structure no. 09403A064 01140

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
615 ft
6 main spans
Daily traffic
3,798
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 064 Conn over West Bridge Park is a steel continuous stringer/multi-beam or girder carrying HWY 064 Conn over West Bridge Park 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. Its operating status is: closed to all traffic.

It carries about 3,798 vehicles a day, roughly 1% of them trucks, projected to reach 10,350 by 2040. The structure is 615 ft (187.5 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY 064 Conn
CrossesWest Bridge Park
LocationW End of West Linn Bridge
RouteU.S. Route 43
StateOregon
Coordinates45.36295, -122.60832
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length615 ft (187.5 m)
Longest span130 ft (39.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,798 (2022)
Projected traffic10,350 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 Conn over West Bridge Park built?

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

What condition is HWY 064 Conn over West Bridge Park 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 May 2024.

How much traffic does HWY 064 Conn over West Bridge Park carry?

About 3,798 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is HWY 064 Conn over West Bridge Park?

The structure is 615 ft (187.5 m) long with a longest span of 130 ft (39.6 m) and a deck 28 ft wide.

Who owns HWY 064 Conn over West Bridge Park?

It is owned by the State Highway Agency.