US Bridges

US 97 over Toppenish Creek

Good

Yakima County, Washington · 23.6 N Klickitat CO · Structure no. 0016207A0000000

Built
2002
23 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
3 main spans
Daily traffic
4,257
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Toppenish Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 97 over Toppenish Creek in Yakima County, Washington. It was built in 2002, so it is 23 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 4,257 vehicles a day, roughly 28% of them trucks, projected to reach 5,551 by 2039. The structure is 220 ft (67.1 m) long and 38 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesUS 97
CrossesToppenish Creek
Location23.6 N Klickitat CO
RouteU.S. Route 97
CountyYakima County
StateWashington
Coordinates46.30903, -120.33213
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length220 ft (67.1 m)
Longest span100 ft (30.5 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,257 (2023)
Projected traffic5,551 by 2039
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Toppenish Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 97 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 April 2022.

How much traffic does US 97 over Toppenish Creek carry?

About 4,257 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is US 97 over Toppenish Creek?

The structure is 220 ft (67.1 m) long with a longest span of 100 ft (30.5 m) and a deck 38 ft wide.

Who owns US 97 over Toppenish Creek?

It is owned by the State Highway Agency.