US Bridges

Kays Rd. over Wapato Canal

FairPosted for load

Yakima County, Washington · 00.51 W Lateral "b" · Structure no. 083367000000000

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
579
2023 count
Owner
County
County Highway Agency

About this bridge

Kays Rd. over Wapato Canal is a prestressed concrete stringer/multi-beam or girder carrying Kays Rd. over Wapato Canal in Yakima County, Washington. It was built in 1965, so it is 60 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 6 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 579 vehicles a day, roughly 5% of them trucks, projected to reach 850 by 2043. The structure is 99 ft (30.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesKays Rd.
CrossesWapato Canal
Location00.51 W Lateral "b"
RouteCounty Highway 52120
CountyYakima County
StateWashington
Coordinates46.49183, -120.51294
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.4 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span98 ft (29.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic579 (2023)
Projected traffic850 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of relocation of road
Estimated improvement cost$3.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kays Rd. over Wapato Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is Kays Rd. over Wapato 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 2023.

How much traffic does Kays Rd. over Wapato Canal carry?

About 579 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Kays Rd. over Wapato Canal?

The structure is 99 ft (30.2 m) long with a longest span of 98 ft (29.9 m) and a deck 28 ft wide.

Who owns Kays Rd. over Wapato Canal?

It is owned by the County Highway Agency.