US Bridges

I-82 over County Rd/Old US 12

Fair

Yakima County, Washington · 5.5 E JCT SR 22 · Structure no. 0010862B0000000

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
299 ft
3 main spans
Daily traffic
12,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-82 over County Rd/Old US 12 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-82 over County Rd/Old US 12 in Yakima County, Washington. It was built in 1978, so it is 47 years old, younger 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.

It carries about 12,600 vehicles a day, roughly 15% of them trucks, projected to reach 15,635 by 2039. The structure is 299 ft (91.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-82
CrossesCounty Rd/Old US 12
Location5.5 E JCT SR 22
RouteInterstate 82
CountyYakima County
StateWashington
Coordinates46.37571, -120.2194
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length299 ft (91.1 m)
Longest span113 ft (34.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2023)
Projected traffic15,635 by 2039
Trucks15%
Lanes on structure2
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$5.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-82 over County Rd/Old US 12 built?

It was built in 1978, making it 47 years old in 2025.

What condition is I-82 over County Rd/Old US 12 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 July 2023.

How much traffic does I-82 over County Rd/Old US 12 carry?

About 12,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-82 over County Rd/Old US 12?

The structure is 299 ft (91.1 m) long with a longest span of 113 ft (34.4 m) and a deck 41 ft wide.

Who owns I-82 over County Rd/Old US 12?

It is owned by the State Highway Agency.