US Bridges

I-205 (hwy 064) CO over HWY 81 (OR99E)

Fair

Clackamas County, Oregon · At West Linn Br · Structure no. 09403R064C00930

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
8,085
2022 count
Owner
State
State Highway Agency

About this bridge

I-205 (hwy 064) CO over HWY 81 (OR99E) is a steel stringer/multi-beam or girder carrying I-205 (hwy 064) CO over HWY 81 (OR99E) 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 8,085 vehicles a day, roughly 8% of them trucks, projected to reach 66,600 by 2040. The structure is 72 ft (22 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI-205 (hwy 064) CO
CrossesHWY 81 (OR99E)
LocationAt West Linn Br
RouteInterstate 205
CountyClackamas County
StateOregon
Coordinates45.36531, -122.60036
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 rating67.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (22 m)
Longest span72 ft (22 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic8,085 (2022)
Projected traffic66,600 by 2040
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 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 I-205 (hwy 064) CO over HWY 81 (OR99E) built?

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

What condition is I-205 (hwy 064) CO over HWY 81 (OR99E) 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 I-205 (hwy 064) CO over HWY 81 (OR99E) carry?

About 8,085 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I-205 (hwy 064) CO over HWY 81 (OR99E)?

The structure is 72 ft (22 m) long with a longest span of 72 ft (22 m) and a deck 28 ft wide.

Who owns I-205 (hwy 064) CO over HWY 81 (OR99E)?

It is owned by the State Highway Agency.