US Bridges

I-205 (hwy 064) over Light Rail

Fair

Multnomah County, Oregon · 6.8 MI S Ore-Wash Line · Structure no. 16302 064 01982

Built
1978
47 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
39 ft
1 main span
Daily traffic
147,414
2022 count
Owner
State
State Highway Agency

About this bridge

I-205 (hwy 064) over Light Rail is a concrete frame carrying I-205 (hwy 064) over Light Rail in Multnomah County, Oregon. It was built in 1978, so it is 47 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 147,414 vehicles a day, roughly 8% of them trucks, projected to reach 169,200 by 2042. The structure is 39 ft (12 m) long and 450 ft wide.

CarriesI-205 (hwy 064)
CrossesLight Rail
Location6.8 MI S Ore-Wash Line
RouteInterstate 205
StateOregon
Coordinates45.5079, -122.56517
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (12 m)
Longest span34 ft (10.5 m)
Deck width450 ft (137.2 m)
Roadway width190 ft (57.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147,414 (2022)
Projected traffic169,200 by 2042
Trucks8%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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) over Light Rail built?

It was built in 1978, making it 47 years old in 2025.

What condition is I-205 (hwy 064) over Light Rail 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 April 2023.

How much traffic does I-205 (hwy 064) over Light Rail carry?

About 147,414 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I-205 (hwy 064) over Light Rail?

The structure is 39 ft (12 m) long with a longest span of 34 ft (10.5 m) and a deck 450 ft wide.

Who owns I-205 (hwy 064) over Light Rail?

It is owned by the State Highway Agency.