US Bridges

Waneta Road over Black Creek

Fair

Yakima County, Washington · 00.12 N of Tear RD · Structure no. 080325000000000

Built
1958
67 years old
Condition
Fair
inspected December 2022
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
2,150
2019 count
Owner
County
County Highway Agency

About this bridge

Waneta Road over Black Creek is a concrete channel beam carrying Waneta Road over Black Creek in Yakima County, Washington. It was built in 1958, so it is 67 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.

It carries about 2,150 vehicles a day, roughly 5% of them trucks, projected to reach 2,280 by 2039. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWaneta Road
CrossesBlack Creek
Location00.12 N of Tear RD
RouteCounty Highway 61790
Coordinates46.28949, -119.97833
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2019)
Projected traffic2,280 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Waneta Road over Black Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Waneta Road over Black Creek 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 December 2022.

How much traffic does Waneta Road over Black Creek carry?

About 2,150 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Waneta Road over Black Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Waneta Road over Black Creek?

It is owned by the County Highway Agency.