US Bridges

US 2 over Wallace River

Fair

Snohomish County, Washington · 11.6 E JCT SR 203 · Structure no. 0002649A0000000

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
236 ft
1 main span
Daily traffic
13,831
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Wallace River is a steel truss - thru carrying US 2 over Wallace River in Snohomish 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 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 13,831 vehicles a day, roughly 7% of them trucks, projected to reach 17,300 by 2039. The structure is 236 ft (71.9 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 2
CrossesWallace River
Location11.6 E JCT SR 203
RouteU.S. Route 2
Coordinates47.86632, -121.72833
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length236 ft (71.9 m)
Longest span160 ft (48.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic13,831 (2023)
Projected traffic17,300 by 2039
Trucks7%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 2 over Wallace River built?

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

What condition is US 2 over Wallace 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 April 2024.

How much traffic does US 2 over Wallace River carry?

About 13,831 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 2 over Wallace River?

The structure is 236 ft (71.9 m) long with a longest span of 160 ft (48.8 m) and a deck 26 ft wide.

Who owns US 2 over Wallace River?

It is owned by the State Highway Agency.