US Bridges

Ash Way Access over I-5 SB

Fair

Snohomish County, Washington · 1.5 N JCT I-405 · Structure no. 0016859A0000000

Built
2005
20 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
108 ft
1 main span
Daily traffic
533
2019 count
Owner
State
State Highway Agency

About this bridge

Ash Way Access over I-5 SB is a concrete box beam or girders - multiple carrying Ash Way Access over I-5 SB in Snohomish County, Washington. It was built in 2005, so it is 20 years old, younger 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 533 vehicles a day, roughly 5% of them trucks, projected to reach 771 by 2039. The structure is 108 ft (32.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAsh Way Access
CrossesI-5 SB
Location1.5 N JCT I-405
RouteCity Street 5
Coordinates47.85328, -122.25628
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating77.9 US tons
Inventory rating47 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length108 ft (32.9 m)
Longest span105 ft (32 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2019)
Projected traffic771 by 2039
Trucks5%
Lanes on structure2
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ash Way Access over I-5 SB built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ash Way Access over I-5 SB 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 June 2024.

How much traffic does Ash Way Access over I-5 SB carry?

About 533 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Ash Way Access over I-5 SB?

The structure is 108 ft (32.9 m) long with a longest span of 105 ft (32 m) and a deck 45 ft wide.

Who owns Ash Way Access over I-5 SB?

It is owned by the State Highway Agency.