US Bridges

SR 24 over Yakima River

Poor

Yakima County, Washington · 0.5 E JCT I-82 · Structure no. 0016933A0000000

Built
2006
19 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,565 ft
9 main spans
Daily traffic
11,237
2023 count
Owner
State
State Highway Agency

About this bridge

SR 24 over Yakima River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 24 over Yakima River in Yakima County, Washington. It was built in 2006, so it is 19 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11,237 vehicles a day, roughly 6% of them trucks, projected to reach 13,825 by 2039. The structure is 1,565 ft (477 m) long and 89 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 24
CrossesYakima River
Location0.5 E JCT I-82
RouteState Highway 24
Coordinates46.58258, -120.46347
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length1,565 ft (477 m)
Longest span181 ft (55.2 m)
Deck width89 ft (27.2 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,237 (2023)
Projected traffic13,825 by 2039
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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$63.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 24 over Yakima River built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 24 over Yakima River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does SR 24 over Yakima River carry?

About 11,237 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 24 over Yakima River?

The structure is 1,565 ft (477 m) long with a longest span of 181 ft (55.2 m) and a deck 89 ft wide.

Who owns SR 24 over Yakima River?

It is owned by the State Highway Agency.