US Bridges

US 97 over Wapato Canal

Good

Yakima County, Washington · 12.8 N JCT SR 22 · Structure no. 0005719D0000000

Built
1958
67 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
103 ft
5 main spans
Daily traffic
8,427
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Wapato Canal is a concrete continuous slab carrying US 97 over Wapato Canal in Yakima County, Washington. It was built in 1958, so it is 67 years old, older 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 8,427 vehicles a day, roughly 7% of them trucks, projected to reach 12,038 by 2039. The structure is 103 ft (31.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 97
CrossesWapato Canal
Location12.8 N JCT SR 22
RouteU.S. Route 97
Coordinates46.51372, -120.47676
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionFebruary 2024
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 rating40 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span21 ft (6.4 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,427 (2023)
Projected traffic12,038 by 2039
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Wapato Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 97 over Wapato Canal 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 February 2024.

How much traffic does US 97 over Wapato Canal carry?

About 8,427 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 97 over Wapato Canal?

The structure is 103 ft (31.4 m) long with a longest span of 21 ft (6.4 m) and a deck 40 ft wide.

Who owns US 97 over Wapato Canal?

It is owned by the State Highway Agency.