US Bridges

I 90 over Potlatch Hill Rd. Gs

Fair

Kootenai County, Idaho · 0.5 S. Coeur Dalene · Structure no. 000000000016894

Built
1992
33 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
238 ft
3 main spans
Daily traffic
20,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 over Potlatch Hill Rd. Gs is a prestressed concrete continuous stringer/multi-beam or girder carrying I 90 over Potlatch Hill Rd. Gs in Kootenai County, Idaho. It was built in 1992, so it is 33 years old, younger 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 20,500 vehicles a day, roughly 19% of them trucks, projected to reach 30,750 by 2042. The structure is 238 ft (72.5 m) long and 84 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesI 90
CrossesPotlatch Hill Rd. Gs
Location0.5 S. Coeur Dalene
RouteInterstate 90
CountyKootenai County
StateIdaho
Coordinates47.66603, -116.75061
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length238 ft (72.5 m)
Longest span92 ft (28 m)
Deck width84 ft (25.5 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2023)
Projected traffic30,750 by 2042
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.4 million (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over Potlatch Hill Rd. Gs built?

It was built in 1992, making it 33 years old in 2025.

What condition is I 90 over Potlatch Hill Rd. Gs 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 September 2022.

How much traffic does I 90 over Potlatch Hill Rd. Gs carry?

About 20,500 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 90 over Potlatch Hill Rd. Gs?

The structure is 238 ft (72.5 m) long with a longest span of 92 ft (28 m) and a deck 84 ft wide.

Who owns I 90 over Potlatch Hill Rd. Gs?

It is owned by the State Highway Agency.