US Bridges

US 2 over Ebey Slough

Fair

Snohomish County, Washington · 1.0 E JCT I-5 · Structure no. 0013995A0000000

Built
1993
32 years old, rebuilt 2001
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
6,795 ft
102 main spans
Daily traffic
39,593
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Ebey Slough is a prestressed concrete continuous stringer/multi-beam or girder carrying US 2 over Ebey Slough in Snohomish County, Washington. It was built in 1993 and reconstructed in 2001, so it is 32 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 39,593 vehicles a day, roughly 4% of them trucks, projected to reach 57,791 by 2039. The structure is 6,795 ft (2,071.1 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 2
CrossesEbey Slough
Location1.0 E JCT I-5
RouteU.S. Route 2
Coordinates47.97803, -122.17029
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans102
Design loadHS 20 + Mod
Structure length6,795 ft (2,071.1 m)
Longest span110 ft (33.5 m)
Deck width69 ft (21 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$129.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over Ebey Slough built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 2001.

What condition is US 2 over Ebey Slough 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 July 2024.

How much traffic does US 2 over Ebey Slough carry?

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

How long is US 2 over Ebey Slough?

The structure is 6,795 ft (2,071.1 m) long with a longest span of 110 ft (33.5 m) and a deck 69 ft wide.

Who owns US 2 over Ebey Slough?

It is owned by the State Highway Agency.