US Bridges

Rosenkranz Road over Cowiche Creek N. Fork

FairPosted for load

Yakima County, Washington · 00.24 W Franklin RD · Structure no. 081442000000000

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
325
2020 count
Owner
County
County Highway Agency

About this bridge

Rosenkranz Road over Cowiche Creek N. Fork is a concrete channel beam carrying Rosenkranz Road over Cowiche Creek N. Fork 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. Its operating status is: posted for load restriction.

It carries about 325 vehicles a day, roughly 10% of them trucks, projected to reach 365 by 2040. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRosenkranz Road
CrossesCowiche Creek N. Fork
Location00.24 W Franklin RD
RouteCounty Highway 26200
CountyYakima County
StateWashington
Coordinates46.71, -120.76667
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2020)
Projected traffic365 by 2040
Trucks10%
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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rosenkranz Road over Cowiche Creek N. Fork built?

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

What condition is Rosenkranz Road over Cowiche Creek N. Fork 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 2024.

How much traffic does Rosenkranz Road over Cowiche Creek N. Fork carry?

About 325 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Rosenkranz Road over Cowiche Creek N. Fork?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Rosenkranz Road over Cowiche Creek N. Fork?

It is owned by the County Highway Agency.