US Bridges

240th ST SE over North Creek

Good

Snohomish County, Washington · 2.1 SE JCT I-5 · Structure no. 088518000000000

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
5,259
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

240th ST SE over North Creek is a prestressed concrete slab carrying 240th ST SE over North Creek in Snohomish County, Washington. It was built in 2012, so it is 13 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 5,259 vehicles a day, roughly 5% of them trucks, projected to reach 8,800 by 2046. The structure is 76 ft (23.2 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries240th ST SE
CrossesNorth Creek
Location2.1 SE JCT I-5
RouteCity Street 110
Coordinates47.78007, -122.18832
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span73 ft (22.3 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,259 (2024)
Projected traffic8,800 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 240th ST SE over North Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is 240th ST SE over North 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 240th ST SE over North Creek carry?

About 5,259 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 240th ST SE over North Creek?

The structure is 76 ft (23.2 m) long with a longest span of 73 ft (22.3 m) and a deck 37 ft wide.

Who owns 240th ST SE over North Creek?

It is owned by the City or Municipal Highway Agency.