US Bridges

US 2 over Sultan Mill Pond

Fair

Snohomish County, Washington · 8.2 E JCT SR 203 · Structure no. 0004116A0000000

Built
1952
73 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
20,338
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Sultan Mill Pond is a concrete continuous tee beam carrying US 2 over Sultan Mill Pond in Snohomish County, Washington. It was built in 1952, so it is 73 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 20,338 vehicles a day, roughly 6% of them trucks, projected to reach 26,754 by 2039. The structure is 117 ft (35.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 2
CrossesSultan Mill Pond
Location8.2 E JCT SR 203
RouteU.S. Route 2
Coordinates47.86403, -121.80067
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating28.9 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckSteel plate
Main spans3
Design loadHS 15
Structure length117 ft (35.7 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,338 (2023)
Projected traffic26,754 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over Sultan Mill Pond built?

It was built in 1952, making it 73 years old in 2025.

What condition is US 2 over Sultan Mill Pond 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 Sultan Mill Pond carry?

About 20,338 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 2 over Sultan Mill Pond?

The structure is 117 ft (35.7 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns US 2 over Sultan Mill Pond?

It is owned by the State Highway Agency.