US Bridges

I-82 EB over E-E Ramp

Fair

Kittitas County, Washington · 0.1 E JCT I-90 · Structure no. 0008385C0000000

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
308 ft
3 main spans
Daily traffic
4,973
2023 count
Owner
State
State Highway Agency

About this bridge

I-82 EB over E-E Ramp is a concrete continuous box beam or girders - multiple carrying I-82 EB over E-E Ramp in Kittitas County, Washington. It was built in 1968, so it is 57 years old, older than the Washington average of 49.8 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 4,973 vehicles a day, roughly 25% of them trucks, projected to reach 6,159 by 2039. The structure is 308 ft (93.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-82 EB
CrossesE-E Ramp
Location0.1 E JCT I-90
RouteInterstate 82
Coordinates46.96856, -120.51011
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length308 ft (93.9 m)
Longest span130 ft (39.6 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,973 (2023)
Projected traffic6,159 by 2039
Trucks25%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-82 EB over E-E Ramp built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-82 EB over E-E Ramp 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 March 2024.

How much traffic does I-82 EB over E-E Ramp carry?

About 4,973 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I-82 EB over E-E Ramp?

The structure is 308 ft (93.9 m) long with a longest span of 130 ft (39.6 m) and a deck 30 ft wide.

Who owns I-82 EB over E-E Ramp?

It is owned by the State Highway Agency.