US Bridges

I-84 (hwy 006) EB over HWY 66 UPRR

Fair

Union County, Oregon · 3.1 Mi. E. Jct. or 82 · Structure no. 09635A006 26492

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
489 ft
4 main spans
Daily traffic
6,379
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) EB over HWY 66 UPRR is a steel continuous stringer/multi-beam or girder carrying I-84 (hwy 006) EB over HWY 66 UPRR in Union County, Oregon. It was built in 1972, so it is 53 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 6,379 vehicles a day, roughly 35% of them trucks, projected to reach 7,550 by 2042. The structure is 489 ft (149 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-84 (hwy 006) EB
CrossesHWY 66 UPRR
Location3.1 Mi. E. Jct. or 82
RouteInterstate 84
CountyUnion County
StateOregon
Coordinates45.29504, -118.03807
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.2 US tons
Inventory rating14.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length489 ft (149 m)
Longest span163 ft (49.7 m)
Deck width59 ft (18.1 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,379 (2022)
Projected traffic7,550 by 2042
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (hwy 006) EB over HWY 66 UPRR built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-84 (hwy 006) EB over HWY 66 UPRR 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-84 (hwy 006) EB over HWY 66 UPRR carry?

About 6,379 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is I-84 (hwy 006) EB over HWY 66 UPRR?

The structure is 489 ft (149 m) long with a longest span of 163 ft (49.7 m) and a deck 59 ft wide.

Who owns I-84 (hwy 006) EB over HWY 66 UPRR?

It is owned by the State Highway Agency.