US Bridges

Fort Road over Dry Wash

FairPosted for load

Yakima County, Washington · 00.12 E Fort Exten · Structure no. 0003082A0000000

Built
1946
79 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
2,250
2020 count
Owner
County
County Highway Agency

About this bridge

Fort Road over Dry Wash is a concrete slab carrying Fort Road over Dry Wash in Yakima County, Washington. It was built in 1946, so it is 79 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 2,250 vehicles a day, roughly 15% of them trucks, projected to reach 2,370 by 2040. The structure is 22 ft (6.7 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFort Road
CrossesDry Wash
Location00.12 E Fort Exten
RouteCounty Highway 50000
CountyYakima County
StateWashington
Coordinates46.37519, -120.72519
Functional classRural Major 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
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2020)
Projected traffic2,370 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fort Road over Dry Wash built?

It was built in 1946, making it 79 years old in 2025.

What condition is Fort Road over Dry Wash 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 December 2022.

How much traffic does Fort Road over Dry Wash carry?

About 2,250 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Fort Road over Dry Wash?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 34 ft wide.

Who owns Fort Road over Dry Wash?

It is owned by the County Highway Agency.