US Bridges

US 97 over Marion Drain Canal

Good

Yakima County, Washington · 24.8 N Klickitat CO · Structure no. 0003376B0000000

Built
1931
94 years old, rebuilt 1948
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
4,257
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Marion Drain Canal is a concrete continuous slab carrying US 97 over Marion Drain Canal in Yakima County, Washington. It was built in 1931 and reconstructed in 1948, so it is 94 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 4,257 vehicles a day, roughly 28% of them trucks, projected to reach 5,551 by 2039. The structure is 49 ft (14.9 m) long and 36 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesUS 97
CrossesMarion Drain Canal
Location24.8 N Klickitat CO
RouteU.S. Route 97
Coordinates46.32416, -120.32036
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length49 ft (14.9 m)
Longest span14 ft (4.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$931,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Marion Drain Canal built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1948.

What condition is US 97 over Marion Drain 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 Marion Drain Canal carry?

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

How long is US 97 over Marion Drain Canal?

The structure is 49 ft (14.9 m) long with a longest span of 14 ft (4.3 m) and a deck 36 ft wide.

Who owns US 97 over Marion Drain Canal?

It is owned by the State Highway Agency.