US Bridges

SR 22 over South Drain

Good

Yakima County, Washington · 7.2 E JCT SR 223 · Structure no. 0005074F0000000

Built
1956
69 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
104 ft
5 main spans
Daily traffic
1,704
2023 count
Owner
State
State Highway Agency

About this bridge

SR 22 over South Drain is a concrete continuous slab carrying SR 22 over South Drain in Yakima County, Washington. It was built in 1956, so it is 69 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 1,704 vehicles a day, roughly 16% of them trucks, projected to reach 2,341 by 2039. The structure is 104 ft (31.7 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 22
CrossesSouth Drain
Location7.2 E JCT SR 223
RouteState Highway 22
Coordinates46.2595, -120.13383
Functional classRural Major Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,704 (2023)
Projected traffic2,341 by 2039
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 22 over South Drain built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 22 over South Drain 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 May 2023.

How much traffic does SR 22 over South Drain carry?

About 1,704 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR 22 over South Drain?

The structure is 104 ft (31.7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns SR 22 over South Drain?

It is owned by the State Highway Agency.