US Bridges

S-E Ramp over SR 526 Mainline

Fair

Snohomish County, Washington · 2.0 E JCT SR 525 · Structure no. 0008446C0000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
246 ft
3 main spans
Daily traffic
14,665
2023 count
Owner
State
State Highway Agency

About this bridge

S-E Ramp over SR 526 Mainline is a concrete continuous box beam or girders - multiple carrying S-E Ramp over SR 526 Mainline in Snohomish County, Washington. It was built in 1969, so it is 56 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 14,665 vehicles a day, roughly 9% of them trucks, projected to reach 27,675 by 2036. The structure is 246 ft (75 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-E Ramp
CrossesSR 526 Mainline
Location2.0 E JCT SR 525
RouteState Highway 526
Coordinates47.92275, -122.26089
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84 US tons
Inventory rating48.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length246 ft (75 m)
Longest span111 ft (33.8 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,665 (2023)
Projected traffic27,675 by 2036
Trucks9%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-E Ramp over SR 526 Mainline built?

It was built in 1969, making it 56 years old in 2025.

What condition is S-E Ramp over SR 526 Mainline 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 July 2024.

How much traffic does S-E Ramp over SR 526 Mainline carry?

About 14,665 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-E Ramp over SR 526 Mainline?

The structure is 246 ft (75 m) long with a longest span of 111 ft (33.8 m) and a deck 42 ft wide.

Who owns S-E Ramp over SR 526 Mainline?

It is owned by the State Highway Agency.