US Bridges

N-W Ramp over I-82

Poor

Yakima County, Washington · 2.0 E JCT US 12 · Structure no. 0006967A0000000

Built
1962
63 years old
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
366 ft
6 main spans
Daily traffic
4,702
2023 count
Owner
State
State Highway Agency

About this bridge

N-W Ramp over I-82 is a concrete continuous box beam or girders - multiple carrying N-W Ramp over I-82 in Yakima County, Washington. It was built in 1962, so it is 63 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,702 vehicles a day, roughly 3% of them trucks, projected to reach 6,197 by 2039. The structure is 366 ft (111.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN-W Ramp
CrossesI-82
Location2.0 E JCT US 12
RouteInterstate 82
Coordinates46.60594, -120.48592
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length366 ft (111.6 m)
Longest span73 ft (22.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,702 (2023)
Projected traffic6,197 by 2039
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was N-W Ramp over I-82 built?

It was built in 1962, making it 63 years old in 2025.

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

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does N-W Ramp over I-82 carry?

About 4,702 vehicles per day (2023 count), of which roughly 3% are trucks.

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

The structure is 366 ft (111.6 m) long with a longest span of 73 ft (22.1 m) and a deck 27 ft wide.

Who owns N-W Ramp over I-82?

It is owned by the State Highway Agency.