US Bridges

S-E Ramp over 4th Avenue

Fair

King County, Washington · 0.2 W JCT I-90 · Structure no. 0015983B0000000

Built
2003
22 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
248 ft
3 main spans
Daily traffic
14,016
2005 count
Owner
State
State Highway Agency

About this bridge

S-E Ramp over 4th Avenue is a concrete continuous box beam or girders - multiple carrying S-E Ramp over 4th Avenue in King County, Washington. It was built in 2003, so it is 22 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 14,016 vehicles a day, roughly 5% of them trucks. The structure is 248 ft (75.6 m) long and 42 ft wide.

Location

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CarriesS-E Ramp
Crosses4th Avenue
Location0.2 W JCT I-90
RouteState Highway 519
CountyKing County
StateWashington
Coordinates47.59111, -122.32931
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length248 ft (75.6 m)
Longest span90 ft (27.4 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,016 (2005)
Projected traffic—
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$3.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-E Ramp over 4th Avenue built?

It was built in 2003, making it 22 years old in 2025.

What condition is S-E Ramp over 4th Avenue 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 2023.

How much traffic does S-E Ramp over 4th Avenue carry?

About 14,016 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is S-E Ramp over 4th Avenue?

The structure is 248 ft (75.6 m) long with a longest span of 90 ft (27.4 m) and a deck 42 ft wide.

Who owns S-E Ramp over 4th Avenue?

It is owned by the State Highway Agency.