US Bridges

Forney Road over Cowiche Creek

Good

Yakima County, Washington · 0.02 E of Danner Road · Structure no. 089112000000000

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
1,034
2023 count
Owner
County
County Highway Agency

About this bridge

Forney Road over Cowiche Creek is a concrete culvert carrying Forney Road over Cowiche Creek in Yakima County, Washington. It was built in 2019, so it is 6 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,034 vehicles a day, roughly 5% of them trucks, projected to reach 1,110 by 2039. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesForney Road
CrossesCowiche Creek
Location0.02 E of Danner Road
RouteCounty Highway 24620
Coordinates46.68017, -120.72084
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,034 (2023)
Projected traffic1,110 by 2039
Trucks5%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forney Road over Cowiche Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Forney Road over Cowiche Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Forney Road over Cowiche Creek carry?

About 1,034 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Forney Road over Cowiche Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns Forney Road over Cowiche Creek?

It is owned by the County Highway Agency.