US Bridges

Fort Road over Toppenish Creek

Good

Yakima County, Washington · 00.57 W Brownstown · Structure no. 087999000000000

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
140 ft
5 main spans
Daily traffic
2,623
2023 count
Owner
County
County Highway Agency

About this bridge

Fort Road over Toppenish Creek is a wood or timber stringer/multi-beam or girder carrying Fort Road over Toppenish Creek in Yakima County, Washington. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,623 vehicles a day, roughly 10% of them trucks, projected to reach 3,148 by 2043. The structure is 140 ft (42.7 m) long and 60 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFort Road
CrossesToppenish Creek
Location00.57 W Brownstown
RouteCounty Highway 50000
CountyYakima County
StateWashington
Coordinates46.37534, -120.61947
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadHS 25 or greater
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,623 (2023)
Projected traffic3,148 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$5.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fort Road over Toppenish Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Fort Road over Toppenish 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 March 2023.

How much traffic does Fort Road over Toppenish Creek carry?

About 2,623 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Fort Road over Toppenish Creek?

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 60 ft wide.

Who owns Fort Road over Toppenish Creek?

It is owned by the County Highway Agency.