US Bridges

SR 522 over Elliott Road

Good

Snohomish County, Washington · 6.3 E JCT SR 9 · Structure no. 0018128A0000000

Built
2013
12 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
15,631
2023 count
Owner
State
State Highway Agency

About this bridge

SR 522 over Elliott Road is a prestressed concrete stringer/multi-beam or girder carrying SR 522 over Elliott Road in Snohomish County, Washington. It was built in 2013, so it is 12 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 15,631 vehicles a day, roughly 8% of them trucks, projected to reach 21,511 by 2039. The structure is 129 ft (39.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 522
CrossesElliott Road
Location6.3 E JCT SR 9
RouteState Highway 522
CountySnohomish County
StateWashington
Coordinates47.83106, -122.05164
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating59.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length129 ft (39.3 m)
Longest span124 ft (37.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,631 (2023)
Projected traffic21,511 by 2039
Trucks8%
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 522 over Elliott Road built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 522 over Elliott Road 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 May 2024.

How much traffic does SR 522 over Elliott Road carry?

About 15,631 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 522 over Elliott Road?

The structure is 129 ft (39.3 m) long with a longest span of 124 ft (37.8 m) and a deck 43 ft wide.

Who owns SR 522 over Elliott Road?

It is owned by the State Highway Agency.