US Bridges

I 90 Ebl & Wbl over S.Fk.Coeur Dalene River

Fair

Shoshone County, Idaho · 1.2 E. Wallace · Structure no. 000000000017260

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
64 ft
1 main span
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 Ebl & Wbl over S.Fk.Coeur Dalene River is a concrete tee beam carrying I 90 Ebl & Wbl over S.Fk.Coeur Dalene River in Shoshone County, Idaho. It was built in 1962, so it is 63 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 10,500 vehicles a day, roughly 38% of them trucks, projected to reach 15,750 by 2042. The structure is 64 ft (19.5 m) long and 74 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesI 90 Ebl & Wbl
CrossesS.Fk.Coeur Dalene River
Location1.2 E. Wallace
RouteInterstate 90
StateIdaho
Coordinates47.47489, -115.89381
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span61 ft (18.6 m)
Deck width74 ft (22.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic15,750 by 2042
Trucks38%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$1.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 Ebl & Wbl over S.Fk.Coeur Dalene River built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 90 Ebl & Wbl over S.Fk.Coeur Dalene 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 September 2024.

How much traffic does I 90 Ebl & Wbl over S.Fk.Coeur Dalene River carry?

About 10,500 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is I 90 Ebl & Wbl over S.Fk.Coeur Dalene River?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.6 m) and a deck 74 ft wide.

Who owns I 90 Ebl & Wbl over S.Fk.Coeur Dalene River?

It is owned by the State Highway Agency.