US Bridges

I-82 over Yakima River

FairPosted for load

Yakima County, Washington · 0.4 E JCT SR 823 · Structure no. 0001583A0000000

Built
1932
93 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
317 ft
1 main span
Daily traffic
13,121
2023 count
Owner
State
State Highway Agency

About this bridge

I-82 over Yakima River is a steel truss - thru carrying I-82 over Yakima River in Yakima County, Washington. It was built in 1932, so it is 93 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 13,121 vehicles a day, roughly 25% of them trucks, projected to reach 16,759 by 2039. The structure is 317 ft (96.6 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-82
CrossesYakima River
Location0.4 E JCT SR 823
RouteInterstate 82
Coordinates46.63154, -120.51754
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length317 ft (96.6 m)
Longest span223 ft (68 m)
Deck width37 ft (11.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic13,121 (2023)
Projected traffic16,759 by 2039
Trucks25%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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$5.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-82 over Yakima River built?

It was built in 1932, making it 93 years old in 2025.

What condition is I-82 over Yakima River 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 June 2023.

How much traffic does I-82 over Yakima River carry?

About 13,121 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I-82 over Yakima River?

The structure is 317 ft (96.6 m) long with a longest span of 223 ft (68 m) and a deck 37 ft wide.

Who owns I-82 over Yakima River?

It is owned by the State Highway Agency.