US Bridges

US 2 over S Fork Skykomish River

Fair

King County, Washington · 10.3 E Snohomish CO · Structure no. 0002561B0000000

Built
1940
85 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
260 ft
5 main spans
Daily traffic
5,782
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over S Fork Skykomish River is a concrete continuous tee beam carrying US 2 over S Fork Skykomish River in King County, Washington. It was built in 1940, so it is 85 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 5,782 vehicles a day, roughly 5% of them trucks, projected to reach 7,808 by 2039. The structure is 260 ft (79.2 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 2
CrossesS Fork Skykomish River
Location10.3 E Snohomish CO
RouteU.S. Route 2
CountyKing County
StateWashington
Coordinates47.71203, -121.31317
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length260 ft (79.2 m)
Longest span90 ft (27.4 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,782 (2023)
Projected traffic7,808 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over S Fork Skykomish River built?

It was built in 1940, making it 85 years old in 2025.

What condition is US 2 over S Fork Skykomish River 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 September 2023.

How much traffic does US 2 over S Fork Skykomish River carry?

About 5,782 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 2 over S Fork Skykomish River?

The structure is 260 ft (79.2 m) long with a longest span of 90 ft (27.4 m) and a deck 30 ft wide.

Who owns US 2 over S Fork Skykomish River?

It is owned by the State Highway Agency.