US Bridges

US 97 over Lateral 3 Irr. Canal

Good

Yakima County, Washington · 3.1 N JCT SR 22 · Structure no. 0007457C0000000

Built
1965
60 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
6,219
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Lateral 3 Irr. Canal is a concrete continuous culvert carrying US 97 over Lateral 3 Irr. Canal in Yakima County, Washington. It was built in 1965, so it is 60 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 6,219 vehicles a day, roughly 12% of them trucks, projected to reach 8,805 by 2039. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 97
CrossesLateral 3 Irr. Canal
Location3.1 N JCT SR 22
RouteU.S. Route 97
Coordinates46.39711, -120.36903
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,219 (2023)
Projected traffic8,805 by 2039
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Lateral 3 Irr. Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 97 over Lateral 3 Irr. 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 2023.

How much traffic does US 97 over Lateral 3 Irr. Canal carry?

About 6,219 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 97 over Lateral 3 Irr. Canal?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns US 97 over Lateral 3 Irr. Canal?

It is owned by the State Highway Agency.