US Bridges

I-90 over 3rd Av & W-E Ramp

Fair

Spokane County, Washington · 0.8 E JCT US 2 · Structure no. 0008774A0000000

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
671 ft
6 main spans
Daily traffic
51,158
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over 3rd Av & W-E Ramp is a concrete continuous box beam or girders - multiple carrying I-90 over 3rd Av & W-E Ramp in Spokane County, Washington. It was built in 1970, so it is 55 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 51,158 vehicles a day, roughly 7% of them trucks, projected to reach 67,257 by 2039. The structure is 671 ft (204.5 m) long and 123 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90
Crosses3rd Av & W-E Ramp
Location0.8 E JCT US 2
RouteInterstate 90
Coordinates47.65228, -117.39433
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.6 US tons
Inventory rating15.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length671 ft (204.5 m)
Longest span124 ft (37.8 m)
Deck width123 ft (37.6 m)
Roadway width118 ft (36 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic51,158 (2023)
Projected traffic67,257 by 2039
Trucks7%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$20.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 over 3rd Av & W-E Ramp built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-90 over 3rd Av & W-E Ramp 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 August 2023.

How much traffic does I-90 over 3rd Av & W-E Ramp carry?

About 51,158 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-90 over 3rd Av & W-E Ramp?

The structure is 671 ft (204.5 m) long with a longest span of 124 ft (37.8 m) and a deck 123 ft wide.

Who owns I-90 over 3rd Av & W-E Ramp?

It is owned by the State Highway Agency.