US Bridges

HWY 064 (I-205 Nb) over Light Rail

Fair

Multnomah County, Oregon · 4.3 MI S Ore-Wash Line · Structure no. 13514I064 02224

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Frame
Concrete
Length
43 ft
1 main span
Daily traffic
80,745
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 064 (I-205 Nb) over Light Rail is a concrete frame carrying HWY 064 (I-205 Nb) over Light Rail in Multnomah County, Oregon. It was built in 1979, so it is 46 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 80,745 vehicles a day, roughly 8% of them trucks, projected to reach 98,700 by 2042. The structure is 43 ft (13 m) long and 376 ft wide.

Location

Open in Google Maps
CarriesHWY 064 (I-205 Nb)
CrossesLight Rail
Location4.3 MI S Ore-Wash Line
RouteInterstate 205
CountyMultnomah County
StateOregon
Coordinates45.54197, -122.56175
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 length43 ft (13 m)
Longest span37 ft (11.4 m)
Deck width376 ft (114.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,745 (2022)
Projected traffic98,700 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$538,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 064 (I-205 Nb) over Light Rail built?

It was built in 1979, making it 46 years old in 2025.

What condition is HWY 064 (I-205 Nb) 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 October 2024.

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

About 80,745 vehicles per day (2022 count), of which roughly 8% are trucks.

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

The structure is 43 ft (13 m) long with a longest span of 37 ft (11.4 m) and a deck 376 ft wide.

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

It is owned by the State Highway Agency.