US Bridges

US 2 over Pilchuck R Machias RD

Good

Snohomish County, Washington · 1.3 E JCT SR 9 · Structure no. 0011537A0000000

Built
1983
42 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
862 ft
8 main spans
Daily traffic
23,214
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Pilchuck R Machias RD is a prestressed concrete continuous stringer/multi-beam or girder carrying US 2 over Pilchuck R Machias RD in Snohomish County, Washington. It was built in 1983, so it is 42 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,214 vehicles a day, roughly 7% of them trucks, projected to reach 33,638 by 2039. The structure is 862 ft (262.7 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 2
CrossesPilchuck R Machias RD
Location1.3 E JCT SR 9
RouteU.S. Route 2
Coordinates47.94436, -122.0757
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length862 ft (262.7 m)
Longest span145 ft (44.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,214 (2023)
Projected traffic33,638 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5 mi (8 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$18.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over Pilchuck R Machias RD built?

It was built in 1983, making it 42 years old in 2025.

What condition is US 2 over Pilchuck R Machias RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does US 2 over Pilchuck R Machias RD carry?

About 23,214 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 2 over Pilchuck R Machias RD?

The structure is 862 ft (262.7 m) long with a longest span of 145 ft (44.2 m) and a deck 41 ft wide.

Who owns US 2 over Pilchuck R Machias RD?

It is owned by the State Highway Agency.