US Bridges

Road over Yakima River

Fair

Kittitas County, Washington · No Data Entered · Structure no. 061703000001455

Built
1954
71 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
88 ft
2 main spans
Daily traffic
100
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Yakima River is a wood or timber stringer/multi-beam or girder carrying Road over Yakima River in Kittitas County, Washington. It was built in 1954, so it is 71 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2045. The structure is 88 ft (26.8 m) long and 29 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesRoad
CrossesYakima River
LocationNo Data Entered
RouteFederal Lands Road 54000
Coordinates47.3082, -121.3142
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating31 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadOther
Structure length88 ft (26.8 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1995)
Projected traffic150 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Yakima River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Road over Yakima 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 June 2023.

How much traffic does Road over Yakima River carry?

About 100 vehicles per day (1995 count), of which roughly 10% are trucks.

How long is Road over Yakima River?

The structure is 88 ft (26.8 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns Road over Yakima River?

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