US Bridges

Fort Road over Toppenish Creek

Fair

Yakima County, Washington · 0.36 E Barkes · Structure no. 0004594A0000000

Built
1954
71 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
209 ft
9 main spans
Daily traffic
2,146
2019 count
Owner
County
County Highway Agency

About this bridge

Fort Road over Toppenish Creek is a concrete continuous slab carrying Fort Road over Toppenish Creek in Yakima 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 2,146 vehicles a day, roughly 15% of them trucks, projected to reach 2,100 by 2039. The structure is 209 ft (63.7 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesFort Road
CrossesToppenish Creek
Location0.36 E Barkes
RouteCounty Highway 50000
CountyYakima County
StateWashington
Coordinates46.37525, -120.6413
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 15
Structure length209 ft (63.7 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,146 (2019)
Projected traffic2,100 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$7.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fort Road over Toppenish Creek built?

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

What condition is Fort Road over Toppenish Creek 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 Toppenish Creek carry?

About 2,146 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Fort Road over Toppenish Creek?

The structure is 209 ft (63.7 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Fort Road over Toppenish Creek?

It is owned by the County Highway Agency.