US Bridges

88th Street NE over Quilceda CR

Good

Snohomish County, Washington · 1.6 N JCT SR 528 · Structure no. 0014655B0000000

Built
1996
29 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
400 ft
3 main spans
Daily traffic
27,672
2002 count
Owner
State
State Highway Agency

About this bridge

88th Street NE over Quilceda CR is a prestressed concrete continuous stringer/multi-beam or girder carrying 88th Street NE over Quilceda CR in Snohomish County, Washington. It was built in 1996, so it is 29 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 27,672 vehicles a day, roughly 5% of them trucks, projected to reach 50,252 by 2036. The structure is 400 ft (121.9 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries88th Street NE
CrossesQuilceda CR
Location1.6 N JCT SR 528
RouteCounty Highway 5
Coordinates48.07558, -122.17944
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length400 ft (121.9 m)
Longest span140 ft (42.7 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,672 (2002)
Projected traffic50,252 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$9.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 88th Street NE over Quilceda CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is 88th Street NE over Quilceda CR 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 August 2024.

How much traffic does 88th Street NE over Quilceda CR carry?

About 27,672 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is 88th Street NE over Quilceda CR?

The structure is 400 ft (121.9 m) long with a longest span of 140 ft (42.7 m) and a deck 63 ft wide.

Who owns 88th Street NE over Quilceda CR?

It is owned by the State Highway Agency.