US Bridges

SR 9 over US 2

Good

Snohomish County, Washington · 5.2 N JCT SR 96 · Structure no. 0011399A0000000

Built
1979
46 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
198 ft
2 main spans
Daily traffic
25,874
2023 count
Owner
State
State Highway Agency

About this bridge

SR 9 over US 2 is a prestressed concrete continuous box beam or girders - multiple carrying SR 9 over US 2 in Snohomish County, Washington. It was built in 1979, so it is 46 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 25,874 vehicles a day, roughly 8% of them trucks, projected to reach 35,529 by 2039. The structure is 198 ft (60.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 9
CrossesUS 2
Location5.2 N JCT SR 96
RouteState Highway 9
Coordinates47.95175, -122.1014
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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating69 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length198 ft (60.4 m)
Longest span160 ft (48.8 m)
Deck width62 ft (18.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,874 (2023)
Projected traffic35,529 by 2039
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$5.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 9 over US 2 built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR 9 over US 2 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 March 2024.

How much traffic does SR 9 over US 2 carry?

About 25,874 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 9 over US 2?

The structure is 198 ft (60.4 m) long with a longest span of 160 ft (48.8 m) and a deck 62 ft wide.

Who owns SR 9 over US 2?

It is owned by the State Highway Agency.