US Bridges

Lind Ave (88th Ave over I-405

Good

King County, Washington · 2.1 N JCT I-5 · Structure no. 0013354D0000000

Built
1990
35 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
2 main spans
Daily traffic
10,800
2008 count
Owner
State
State Highway Agency

About this bridge

Lind Ave (88th Ave over I-405 is a prestressed concrete continuous stringer/multi-beam or girder carrying Lind Ave (88th Ave over I-405 in King County, Washington. It was built in 1990, so it is 35 years old, younger 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 10,800 vehicles a day, roughly 8% of them trucks, projected to reach 18,207 by 2032. The structure is 220 ft (67.1 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLind Ave (88th Ave
CrossesI-405
Location2.1 N JCT I-5
RouteCity Street 0
CountyKing County
StateWashington
Coordinates47.46787, -122.22335
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 inspectionApril 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span109 ft (33.2 m)
Deck width61 ft (18.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,800 (2008)
Projected traffic18,207 by 2032
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$6.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lind Ave (88th Ave over I-405 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Lind Ave (88th Ave over I-405 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 April 2022.

How much traffic does Lind Ave (88th Ave over I-405 carry?

About 10,800 vehicles per day (2008 count), of which roughly 8% are trucks.

How long is Lind Ave (88th Ave over I-405?

The structure is 220 ft (67.1 m) long with a longest span of 109 ft (33.2 m) and a deck 61 ft wide.

Who owns Lind Ave (88th Ave over I-405?

It is owned by the State Highway Agency.