US Bridges

W-W Ramp over W-N Ramp

Good

Spokane County, Washington · 4.3 E JCT US 2 · Structure no. 0015947C0000000

Built
2001
24 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
8,973
2023 count
Owner
State
State Highway Agency

About this bridge

W-W Ramp over W-N Ramp is a prestressed concrete stringer/multi-beam or girder carrying W-W Ramp over W-N Ramp in Spokane County, Washington. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,973 vehicles a day, roughly 5% of them trucks, projected to reach 11,866 by 2039. The structure is 71 ft (21.6 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW-W Ramp
CrossesW-N Ramp
Location4.3 E JCT US 2
RouteInterstate 90
CountySpokane County
StateWashington
Coordinates47.65571, -117.32502
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.6 m)
Longest span66 ft (20.1 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,973 (2023)
Projected traffic11,866 by 2039
Trucks5%
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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was W-W Ramp over W-N Ramp built?

It was built in 2001, making it 24 years old in 2025.

What condition is W-W Ramp over W-N Ramp 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 October 2021.

How much traffic does W-W Ramp over W-N Ramp carry?

About 8,973 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is W-W Ramp over W-N Ramp?

The structure is 71 ft (21.6 m) long with a longest span of 66 ft (20.1 m) and a deck 52 ft wide.

Who owns W-W Ramp over W-N Ramp?

It is owned by the State Highway Agency.