US Bridges

228th ST SE over Bear Creek

Fair

Snohomish County, Washington · 0.1 W JCT SR 9 · Structure no. 085748000000000

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
7,573
2021 count
Owner
County
County Highway Agency

About this bridge

228th ST SE over Bear Creek is a prestressed concrete slab carrying 228th ST SE over Bear Creek in Snohomish County, Washington. It was built in 1989, so it is 36 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,573 vehicles a day, roughly 9% of them trucks, projected to reach 12,000 by 2046. The structure is 41 ft (12.6 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries228th ST SE
CrossesBear Creek
Location0.1 W JCT SR 9
RouteCounty Highway 91193
Coordinates47.79037, -122.14447
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span40 ft (12.1 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,573 (2021)
Projected traffic12,000 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 228th ST SE over Bear Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is 228th ST SE over Bear Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does 228th ST SE over Bear Creek carry?

About 7,573 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is 228th ST SE over Bear Creek?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.1 m) and a deck 56 ft wide.

Who owns 228th ST SE over Bear Creek?

It is owned by the County Highway Agency.