US Bridges

I-82 over Sunnyside Canal

Fair

Yakima County, Washington · 5.5 E JCT SR 241 · Structure no. 0011095F0000000

Built
1979
46 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
12,881
2023 count
Owner
State
State Highway Agency

About this bridge

I-82 over Sunnyside Canal is a prestressed concrete stringer/multi-beam or girder carrying I-82 over Sunnyside Canal in Yakima County, Washington. It was built in 1979, so it is 46 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 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 12,881 vehicles a day, roughly 15% of them trucks, projected to reach 15,708 by 2039. The structure is 87 ft (26.5 m) long and 41 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesI-82
CrossesSunnyside Canal
Location5.5 E JCT SR 241
RouteInterstate 82
CountyYakima County
StateWashington
Coordinates46.26269, -119.89165
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating75 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span82 ft (25 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,881 (2023)
Projected traffic15,708 by 2039
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-82 over Sunnyside Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-82 over Sunnyside Canal 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 February 2024.

How much traffic does I-82 over Sunnyside Canal carry?

About 12,881 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-82 over Sunnyside Canal?

The structure is 87 ft (26.5 m) long with a longest span of 82 ft (25 m) and a deck 41 ft wide.

Who owns I-82 over Sunnyside Canal?

It is owned by the State Highway Agency.