US Bridges

US 97 over Lateral 2 Irr. Canal

Good

Yakima County, Washington · 6.5 N JCT SR 22 · Structure no. 0013931A0000000

Built
1991
34 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
14,925
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Lateral 2 Irr. Canal is a concrete continuous culvert carrying US 97 over Lateral 2 Irr. Canal in Yakima County, Washington. It was built in 1991, so it is 34 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 14,925 vehicles a day, roughly 7% of them trucks, projected to reach 21,301 by 2039. The structure is 31 ft (9.4 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 97
CrossesLateral 2 Irr. Canal
Location6.5 N JCT SR 22
RouteU.S. Route 97
Coordinates46.43318, -120.4181
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span16 ft (4.9 m)
Deck width74 ft (22.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,925 (2023)
Projected traffic21,301 by 2039
Trucks7%
Lanes on structure5
Traffic directionTwo-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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Lateral 2 Irr. Canal built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 97 over Lateral 2 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 2 Irr. Canal carry?

About 14,925 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 97 over Lateral 2 Irr. Canal?

The structure is 31 ft (9.4 m) long with a longest span of 16 ft (4.9 m) and a deck 74 ft wide.

Who owns US 97 over Lateral 2 Irr. Canal?

It is owned by the State Highway Agency.