US Bridges

Crown Ridge Blvd. over Portage Creek

Good

Snohomish County, Washington · Crown Ridge Blvd. · Structure no. 088252000000000

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
4,432
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Crown Ridge Blvd. over Portage Creek is a prestressed concrete tee beam carrying Crown Ridge Blvd. over Portage Creek in Snohomish County, Washington. It was built in 1999, so it is 26 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 4,432 vehicles a day, roughly 13% of them trucks, projected to reach 6,000 by 2046. The structure is 91 ft (27.8 m) long and 54 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCrown Ridge Blvd.
CrossesPortage Creek
LocationCrown Ridge Blvd.
RouteCity Street 186
Coordinates48.16436, -122.11809
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length91 ft (27.8 m)
Longest span88 ft (26.7 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic4,432 (2024)
Projected traffic6,000 by 2046
Trucks13%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Crown Ridge Blvd. over Portage Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Crown Ridge Blvd. over Portage Creek 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 September 2024.

How much traffic does Crown Ridge Blvd. over Portage Creek carry?

About 4,432 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Crown Ridge Blvd. over Portage Creek?

The structure is 91 ft (27.8 m) long with a longest span of 88 ft (26.7 m) and a deck 54 ft wide.

Who owns Crown Ridge Blvd. over Portage Creek?

It is owned by the City or Municipal Highway Agency.