US Bridges

Harrah Road over Wapato Canal

Fair

Yakima County, Washington · 00.10 N Evans Road · Structure no. 081779000000000

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
1,072
2023 count
Owner
County
County Highway Agency

About this bridge

Harrah Road over Wapato Canal is a concrete channel beam carrying Harrah Road over Wapato Canal in Yakima County, Washington. It was built in 1960, so it is 65 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.

It carries about 1,072 vehicles a day, roughly 5% of them trucks, projected to reach 1,140 by 2043. The structure is 94 ft (28.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHarrah Road
CrossesWapato Canal
Location00.10 N Evans Road
RouteCounty Highway 53050
CountyYakima County
StateWashington
Coordinates46.435, -120.54333
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 20
Structure length94 ft (28.7 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,072 (2023)
Projected traffic1,140 by 2043
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrah Road over Wapato Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is Harrah Road 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 January 2023.

How much traffic does Harrah Road over Wapato Canal carry?

About 1,072 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Harrah Road over Wapato Canal?

The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Harrah Road over Wapato Canal?

It is owned by the County Highway Agency.