US Bridges

SR 241 over Sunnyside Canal

Good

Yakima County, Washington · 2.7 N JCT I-82 · Structure no. 0010478A0000000

Built
1977
48 years old
Condition
Good
inspected February 2022
Type
Tee Beam
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
3,426
2023 count
Owner
State
State Highway Agency

About this bridge

SR 241 over Sunnyside Canal is a prestressed concrete tee beam carrying SR 241 over Sunnyside Canal in Yakima County, Washington. It was built in 1977, so it is 48 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 3,426 vehicles a day, roughly 15% of them trucks, projected to reach 4,294 by 2039. The structure is 76 ft (23.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 241
CrossesSunnyside Canal
Location2.7 N JCT I-82
RouteState Highway 241
CountyYakima County
StateWashington
Coordinates46.34498, -119.97902
Functional classRural Major Collector

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 inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,426 (2023)
Projected traffic4,294 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 241 over Sunnyside Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR 241 over Sunnyside Canal 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 February 2022.

How much traffic does SR 241 over Sunnyside Canal carry?

About 3,426 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 241 over Sunnyside Canal?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 35 ft wide.

Who owns SR 241 over Sunnyside Canal?

It is owned by the State Highway Agency.