US Bridges

Ramp over Railroad

Good

King County, Washington · JCT SR 202 · Structure no. 002005550000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
26,910
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp over Railroad is a prestressed concrete stringer/multi-beam or girder carrying Ramp over Railroad 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 26,910 vehicles a day, roughly 5% of them trucks, projected to reach 44,095 by 2042. The structure is 54 ft (16.5 m) long and 67 ft wide.

CarriesRamp
CrossesRailroad
LocationJCT SR 202
RouteState Highway 520
Coordinates47.66839, -122.10764
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 rating60.7 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span48 ft (14.6 m)
Deck width67 ft (20.5 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,910 (2022)
Projected traffic44,095 by 2042
Trucks5%
Lanes on structure4
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$1.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp over Railroad built?

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

What condition is Ramp over Railroad 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 carry?

About 26,910 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ramp over Railroad?

The structure is 54 ft (16.5 m) long with a longest span of 48 ft (14.6 m) and a deck 67 ft wide.

Who owns Ramp over Railroad?

It is owned by the State Highway Agency.