US Bridges

Lake Homes Road over Bumping Lake Dam

FairPosted for load

Yakima County, Washington · At Bumping Lake · Structure no. 061708000001521

Built
1973
52 years old, rebuilt 1994
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
30
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Lake Homes Road over Bumping Lake Dam is a prestressed concrete stringer/multi-beam or girder carrying Lake Homes Road over Bumping Lake Dam in Yakima County, Washington. It was built in 1973 and reconstructed in 1994, so it is 52 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 30 vehicles a day, projected to reach 45 by 2045. The structure is 80 ft (24.5 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesLake Homes Road
CrossesBumping Lake Dam
LocationAt Bumping Lake
RouteFederal Lands Road 18003
Coordinates46.87233, -121.29907
Functional classRural Local

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38 US tons
Inventory rating17 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length80 ft (24.5 m)
Longest span77 ft (23.6 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1995)
Projected traffic45 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Homes Road over Bumping Lake Dam built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1994.

What condition is Lake Homes Road over Bumping Lake Dam 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 July 2023.

How much traffic does Lake Homes Road over Bumping Lake Dam carry?

About 30 vehicles per day (1995 count).

How long is Lake Homes Road over Bumping Lake Dam?

The structure is 80 ft (24.5 m) long with a longest span of 77 ft (23.6 m) and a deck 16 ft wide.

Who owns Lake Homes Road over Bumping Lake Dam?

It is owned by the U.S. Forest Service.