US Bridges

US 2 over Ebey Slough and SR 204

Fair

Snohomish County, Washington · 2.1 E JCT I-5 · Structure no. 0007651B0000000

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
2,081 ft
5 main spans
Daily traffic
39,593
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Ebey Slough and SR 204 is a concrete continuous box beam or girders - multiple carrying US 2 over Ebey Slough and SR 204 in Snohomish County, Washington. It was built in 1968, so it is 57 years old, older 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 5 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 39,593 vehicles a day, roughly 4% of them trucks, projected to reach 57,791 by 2039. The structure is 2,081 ft (634.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 2
CrossesEbey Slough and SR 204
Location2.1 E JCT I-5
RouteU.S. Route 2
CountySnohomish County
StateWashington
Coordinates47.9784, -122.16892
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating41 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckOther
Main spans5 (+36 approach)
Design loadHS 20
Structure length2,081 ft (634.3 m)
Longest span125 ft (38.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic39,593 (2023)
Projected traffic57,791 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$33.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over Ebey Slough and SR 204 built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 2 over Ebey Slough and SR 204 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 August 2024.

How much traffic does US 2 over Ebey Slough and SR 204 carry?

About 39,593 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 2 over Ebey Slough and SR 204?

The structure is 2,081 ft (634.3 m) long with a longest span of 125 ft (38.1 m) and a deck 33 ft wide.

Who owns US 2 over Ebey Slough and SR 204?

It is owned by the State Highway Agency.