US Bridges

SE 82nd ST over I-90

Fair

King County, Washington · 6.7 E JCT SR 900 · Structure no. 0009820B0000000

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
284 ft
2 main spans
Daily traffic
8,022
2012 count
Owner
State
State Highway Agency

About this bridge

SE 82nd ST over I-90 is a concrete continuous box beam or girders - multiple carrying SE 82nd ST over I-90 in King County, Washington. It was built in 1975, so it is 50 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,022 vehicles a day, roughly 24% of them trucks. The structure is 284 ft (86.6 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesSE 82nd ST
CrossesI-90
Location6.7 E JCT SR 900
RouteCounty Highway 0
CountyKing County
StateWashington
Coordinates47.52663, -121.93842
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating93 US tons
Inventory rating55 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length284 ft (86.6 m)
Longest span148 ft (45.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,022 (2012)
Projected traffic—
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$7.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SE 82nd ST over I-90 built?

It was built in 1975, making it 50 years old in 2025.

What condition is SE 82nd ST over I-90 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does SE 82nd ST over I-90 carry?

About 8,022 vehicles per day (2012 count), of which roughly 24% are trucks.

How long is SE 82nd ST over I-90?

The structure is 284 ft (86.6 m) long with a longest span of 148 ft (45.1 m) and a deck 43 ft wide.

Who owns SE 82nd ST over I-90?

It is owned by the State Highway Agency.