US Bridges

I-182 over Yakima River

Good

Benton County, Washington · 3.6 E JCT I-82 · Structure no. 0011950A0000000

Built
1983
42 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
824 ft
5 main spans
Daily traffic
30,551
2023 count
Owner
State
State Highway Agency

About this bridge

I-182 over Yakima River is a prestressed concrete continuous box beam or girders - multiple carrying I-182 over Yakima River in Benton County, Washington. It was built in 1983, so it is 42 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,551 vehicles a day, roughly 6% of them trucks, projected to reach 37,555 by 2039. The structure is 824 ft (251.2 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-182
CrossesYakima River
Location3.6 E JCT I-82
RouteInterstate 182
Coordinates46.2581, -119.29196
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length824 ft (251.2 m)
Longest span206 ft (62.8 m)
Deck width52 ft (15.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,551 (2023)
Projected traffic37,555 by 2039
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$15.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-182 over Yakima River built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-182 over Yakima River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I-182 over Yakima River carry?

About 30,551 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-182 over Yakima River?

The structure is 824 ft (251.2 m) long with a longest span of 206 ft (62.8 m) and a deck 52 ft wide.

Who owns I-182 over Yakima River?

It is owned by the State Highway Agency.