US Bridges

I 90 Ebl over I 90B;POST Falls Ic

Fair

Kootenai County, Idaho · In Post Falls;spokane St. · Structure no. 000000000016765

Built
1977
48 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete
Length
171 ft
1 main span
Daily traffic
31,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 Ebl over I 90B;POST Falls Ic is a concrete box beam or girders - single or spread carrying I 90 Ebl over I 90B;POST Falls Ic in Kootenai County, Idaho. It was built in 1977, so it is 48 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 31,000 vehicles a day, roughly 8% of them trucks, projected to reach 46,500 by 2042. The structure is 171 ft (52.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 90 Ebl
CrossesI 90B;POST Falls Ic
LocationIn Post Falls;spokane St.
RouteInterstate 90
CountyKootenai County
StateIdaho
Coordinates47.71255, -116.94843
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span120 ft (36.6 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2023)
Projected traffic46,500 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 Ebl over I 90B;POST Falls Ic built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 90 Ebl over I 90B;POST Falls Ic 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 2024.

How much traffic does I 90 Ebl over I 90B;POST Falls Ic carry?

About 31,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I 90 Ebl over I 90B;POST Falls Ic?

The structure is 171 ft (52.1 m) long with a longest span of 120 ft (36.6 m) and a deck 44 ft wide.

Who owns I 90 Ebl over I 90B;POST Falls Ic?

It is owned by the State Highway Agency.