US Bridges

W-N Ramp over I-82

Fair

Yakima County, Washington · 0.2 E JCT US 97 · Structure no. 0007949A0000000

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
332 ft
4 main spans
Daily traffic
2,106
2023 count
Owner
State
State Highway Agency

About this bridge

W-N Ramp over I-82 is a concrete continuous box beam or girders - multiple carrying W-N Ramp over I-82 in Yakima County, Washington. It was built in 1967, so it is 58 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 2,106 vehicles a day, roughly 13% of them trucks, projected to reach 2,778 by 2039. The structure is 332 ft (101.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW-N Ramp
CrossesI-82
Location0.2 E JCT US 97
RouteInterstate 82
Coordinates46.53639, -120.47103
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
Deck8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span93 ft (28.3 m)
Deck width26 ft (7.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,106 (2023)
Projected traffic2,778 by 2039
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 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 W-N Ramp over I-82 built?

It was built in 1967, making it 58 years old in 2025.

What condition is W-N Ramp over I-82 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 W-N Ramp over I-82 carry?

About 2,106 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is W-N Ramp over I-82?

The structure is 332 ft (101.2 m) long with a longest span of 93 ft (28.3 m) and a deck 26 ft wide.

Who owns W-N Ramp over I-82?

It is owned by the State Highway Agency.