US Bridges

I-90 over Bnrr (removed)

Fair

King County, Washington · 3.0 E JCT SR 202 · Structure no. 0009810B0000000

Built
1976
49 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
228 ft
3 main spans
Daily traffic
20,619
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over Bnrr (removed) is a prestressed concrete continuous stringer/multi-beam or girder carrying I-90 over Bnrr (removed) in King County, Washington. It was built in 1976, so it is 49 years old, younger 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 5 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 20,619 vehicles a day, roughly 18% of them trucks, projected to reach 28,456 by 2039. The structure is 228 ft (69.5 m) long and 55 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI-90
CrossesBnrr (removed)
Location3.0 E JCT SR 202
RouteInterstate 90
CountyKing County
StateWashington
Coordinates47.47368, -121.74442
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length228 ft (69.5 m)
Longest span80 ft (24.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,619 (2023)
Projected traffic28,456 by 2039
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$6.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 over Bnrr (removed) built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-90 over Bnrr (removed) 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 2024.

How much traffic does I-90 over Bnrr (removed) carry?

About 20,619 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-90 over Bnrr (removed)?

The structure is 228 ft (69.5 m) long with a longest span of 80 ft (24.4 m) and a deck 55 ft wide.

Who owns I-90 over Bnrr (removed)?

It is owned by the State Highway Agency.