US Bridges

I-90 over City Streets

Fair

Spokane County, Washington · 0.8 E JCT US 195 · Structure no. 0007841A0000000

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
2,890 ft
23 main spans
Daily traffic
51,197
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over City Streets is a concrete continuous box beam or girders - multiple carrying I-90 over City Streets in Spokane County, Washington. It was built in 1967, so it is 58 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 5 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 51,197 vehicles a day, roughly 10% of them trucks, projected to reach 64,502 by 2039. The structure is 2,890 ft (880.9 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90
CrossesCity Streets
Location0.8 E JCT US 195
RouteInterstate 90
Coordinates47.65151, -117.4358
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 rating17.2 US tons
Inventory rating13.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans23
Design loadHS 20 + Mod
Structure length2,890 ft (880.9 m)
Longest span125 ft (38.1 m)
Deck width100 ft (30.4 m)
Roadway width95 ft (29 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,197 (2023)
Projected traffic64,502 by 2039
Trucks10%
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$146.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 over City Streets built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-90 over City Streets 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 June 2024.

How much traffic does I-90 over City Streets carry?

About 51,197 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I-90 over City Streets?

The structure is 2,890 ft (880.9 m) long with a longest span of 125 ft (38.1 m) and a deck 100 ft wide.

Who owns I-90 over City Streets?

It is owned by the State Highway Agency.