US Bridges

SR 821 over I-82

Good

Yakima County, Washington · JCT I-82 · Structure no. 0008560A0000000

Built
1969
56 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
4 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 821 over I-82 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 821 over I-82 in Yakima County, Washington. It was built in 1969, so it is 56 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 5,000 vehicles a day, roughly 12% of them trucks, projected to reach 6,515 by 2039. The structure is 280 ft (85.3 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 821
CrossesI-82
LocationJCT I-82
RouteState Highway 821
Coordinates46.67756, -120.48068
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length280 ft (85.3 m)
Longest span94 ft (28.7 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic6,515 by 2039
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$6.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 821 over I-82 built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR 821 over I-82 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 July 2023.

How much traffic does SR 821 over I-82 carry?

About 5,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 821 over I-82?

The structure is 280 ft (85.3 m) long with a longest span of 94 ft (28.7 m) and a deck 50 ft wide.

Who owns SR 821 over I-82?

It is owned by the State Highway Agency.