US Bridges

Donald-Wapato Rd. over Drain

FairPosted for load

Yakima County, Washington · 01.98 S Yak Val HWY · Structure no. 081275000000000

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
5,040
2021 count
Owner
County
County Highway Agency

About this bridge

Donald-Wapato Rd. over Drain is a concrete continuous slab carrying Donald-Wapato Rd. over Drain 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. Its operating status is: posted for load restriction.

It carries about 5,040 vehicles a day, roughly 5% of them trucks, projected to reach 6,050 by 2041. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesDonald-Wapato Rd.
CrossesDrain
Location01.98 S Yak Val HWY
RouteCounty Highway 50180
CountyYakima County
StateWashington
Coordinates46.45364, -120.41336
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.
Superstructure7 GoodSome minor problems.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span11 ft (3.4 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,040 (2021)
Projected traffic6,050 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Donald-Wapato Rd. over Drain built?

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

What condition is Donald-Wapato Rd. over Drain 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 March 2023.

How much traffic does Donald-Wapato Rd. over Drain carry?

About 5,040 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Donald-Wapato Rd. over Drain?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.4 m) and a deck 30 ft wide.

Who owns Donald-Wapato Rd. over Drain?

It is owned by the County Highway Agency.