US Bridges

Bumping River Road over Bumping River

FairPosted for load

Yakima County, Washington · 00.34 E of MP 10 · Structure no. 081642000000000

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
568
2020 count
Owner
County
County Highway Agency

About this bridge

Bumping River Road over Bumping River is a concrete continuous box beam or girders - multiple carrying Bumping River Road over Bumping River in Yakima County, Washington. It was built in 1955, so it is 70 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 568 vehicles a day, roughly 5% of them trucks, projected to reach 270 by 2040. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBumping River Road
CrossesBumping River
Location00.34 E of MP 10
RouteCounty Highway 10500
Coordinates46.88013, -121.28207
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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating19.6 US tons
Inventory rating13.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic568 (2020)
Projected traffic270 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bumping River Road over Bumping River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Bumping River Road over Bumping River 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 May 2023.

How much traffic does Bumping River Road over Bumping River carry?

About 568 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Bumping River Road over Bumping River?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Bumping River Road over Bumping River?

It is owned by the County Highway Agency.