US Bridges

I-5 Hov Lanes over SR 524 SPUR/44th Ave W

Good

Snohomish County, Washington · 3.0 N JCT SR 104 · Structure no. 0016469B0000000

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
269 ft
3 main spans
Daily traffic
1,027
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 Hov Lanes over SR 524 SPUR/44th Ave W is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 Hov Lanes over SR 524 SPUR/44th Ave W in Snohomish County, Washington. It was built in 2004, so it is 21 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 1,027 vehicles a day, projected to reach 1,524 by 2039. The structure is 269 ft (82 m) long and 48 ft wide.

Location

Open in Google Maps
CarriesI-5 Hov Lanes
CrossesSR 524 SPUR/44th Ave W
Location3.0 N JCT SR 104
RouteInterstate 5
CountySnohomish County
StateWashington
Coordinates47.81372, -122.29276
Functional classUrban Principal Arterial - Interstate

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length269 ft (82 m)
Longest span113 ft (34.4 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,027 (2023)
Projected traffic1,524 by 2039
Trucks0%
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 statusHistorical significance not determinable at this time
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-5 Hov Lanes over SR 524 SPUR/44th Ave W built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-5 Hov Lanes over SR 524 SPUR/44th Ave W 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 June 2023.

How much traffic does I-5 Hov Lanes over SR 524 SPUR/44th Ave W carry?

About 1,027 vehicles per day (2023 count).

How long is I-5 Hov Lanes over SR 524 SPUR/44th Ave W?

The structure is 269 ft (82 m) long with a longest span of 113 ft (34.4 m) and a deck 48 ft wide.

Who owns I-5 Hov Lanes over SR 524 SPUR/44th Ave W?

It is owned by the State Highway Agency.