US Bridges

Tieton Road North over Cowiche Creek N. Fork

Fair

Yakima County, Washington · 00.27 S Rosenkranz · Structure no. 082430000000000

Built
1959
66 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
26 ft
1 main span
Daily traffic
890
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tieton Road North over Cowiche Creek N. Fork is a concrete channel beam carrying Tieton Road North over Cowiche Creek N. Fork in Yakima County, Washington. It was built in 1959, so it is 66 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 890 vehicles a day, roughly 10% of them trucks, projected to reach 1,820 by 2043. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTieton Road North
CrossesCowiche Creek N. Fork
Location00.27 S Rosenkranz
RouteCity Street 26110
CountyYakima County
StateWashington
Coordinates46.705, -120.75167
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum 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 length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2023)
Projected traffic1,820 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tieton Road North over Cowiche Creek N. Fork built?

It was built in 1959, making it 66 years old in 2025.

What condition is Tieton Road North 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 January 2023.

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

About 890 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Tieton Road North over Cowiche Creek N. Fork?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Tieton Road North over Cowiche Creek N. Fork?

It is owned by the City or Municipal Highway Agency.