US Bridges

Ramp over Railroad Shared Use Path

Good

King County, Washington · JCT SR 520 · Structure no. 002005540000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete Continuous
Length
98 ft
2 main spans
Daily traffic
7,611
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp over Railroad Shared Use Path is a prestressed concrete continuous slab carrying Ramp over Railroad Shared Use Path in King County, Washington. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,611 vehicles a day, roughly 5% of them trucks, projected to reach 12,472 by 5. The structure is 98 ft (30 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesRamp
CrossesRailroad Shared Use Path
LocationJCT SR 520
RouteState Highway 202
CountyKing County
StateWashington
Coordinates47.66944, -122.10872
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length98 ft (30 m)
Longest span53 ft (16.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,611 (2022)
Projected traffic12,472 by 5
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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$1.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp over Railroad Shared Use Path built?

It was built in 2023, making it 2 years old in 2025.

What condition is Ramp over Railroad Shared Use Path 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 December 2023.

How much traffic does Ramp over Railroad Shared Use Path carry?

About 7,611 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ramp over Railroad Shared Use Path?

The structure is 98 ft (30 m) long with a longest span of 53 ft (16.1 m) and a deck 40 ft wide.

Who owns Ramp over Railroad Shared Use Path?

It is owned by the State Highway Agency.