US Bridges

US 2 over S Fk Skykomish River

Fair

King County, Washington · 8.9 E Snohomish CO · Structure no. 0002332A0000000

Built
1938
87 years old
Condition
Fair
inspected March 2024
Type
Truss - Thru
Steel
Length
339 ft
1 main span
Daily traffic
6,019
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over S Fk Skykomish River is a steel truss - thru carrying US 2 over S Fk Skykomish River in King County, Washington. It was built in 1938, so it is 87 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 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 6,019 vehicles a day, roughly 5% of them trucks, projected to reach 8,178 by 2039. The structure is 339 ft (103.3 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 2
CrossesS Fk Skykomish River
Location8.9 E Snohomish CO
RouteU.S. Route 2
Coordinates47.71417, -121.342
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
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 rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length339 ft (103.3 m)
Longest span241 ft (73.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic6,019 (2023)
Projected traffic8,178 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over S Fk Skykomish River built?

It was built in 1938, making it 87 years old in 2025.

What condition is US 2 over S Fk 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 March 2024.

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

About 6,019 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 2 over S Fk Skykomish River?

The structure is 339 ft (103.3 m) long with a longest span of 241 ft (73.5 m) and a deck 25 ft wide.

Who owns US 2 over S Fk Skykomish River?

It is owned by the State Highway Agency.