US Bridges

I 90 Ebl over Spokane River

Fair

Kootenai County, Idaho · At Idaho Wash.State Line · Structure no. 000000000016740

Built
1976
49 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
465 ft
5 main spans
Daily traffic
32,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 Ebl over Spokane River is a prestressed concrete continuous stringer/multi-beam or girder carrying I 90 Ebl over Spokane River in Kootenai County, Idaho. It was built in 1976, so it is 49 years old, older than the Idaho average of 45.3 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 32,000 vehicles a day, roughly 11% of them trucks, projected to reach 48,000 by 2042. The structure is 465 ft (141.7 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 90 Ebl
CrossesSpokane River
LocationAt Idaho Wash.State Line
RouteInterstate 90
StateIdaho
Coordinates47.69661, -117.04158
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length465 ft (141.7 m)
Longest span92 ft (28 m)
Deck width56 ft (17 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2023)
Projected traffic48,000 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I 90 Ebl over Spokane River built?

It was built in 1976, making it 49 years old in 2025.

What condition is I 90 Ebl over Spokane River 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 March 2023.

How much traffic does I 90 Ebl over Spokane River carry?

About 32,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I 90 Ebl over Spokane River?

The structure is 465 ft (141.7 m) long with a longest span of 92 ft (28 m) and a deck 56 ft wide.

Who owns I 90 Ebl over Spokane River?

It is owned by the State Highway Agency.