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The Idaho Transportation Department is replacing the Karcher Road Overpass to allow additional lanes to be built on I-84.

El Departamento de Transportación de Idaho está recolocando el paso elevado de la calle Karcher. Recolocando el paso elevado permitirá la construcción de unos carriles adicionales en el Interestatal 84. La construcción empezará en marzo del 2019 y va a terminar más tarde este otoño. Manténgase Informado: Para más información y para recibir una hoja de inforamación, por favor llame 208-334-8152

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Construction Update

Karcher Overpass - Detour Map

ITD closed the overpass on March 12 for nine months. Motorists are detoured around the construction.

What to expect during construction:

Karcher Road Overpass

The Karcher Road Overpass was built in 1966. Replacing the overpass will allow additional lanes to be built on I-84.

Improvements include:

Right: Future overpass from I-84.

Construction Progress

Click below to see a time lapse video view of Karcher Road Overpass.

Check back for monthly updates.

Time Lapse Progress Video

Facebook Live - Deck Form Removal

Watch our latest Facebook Live video!

Get an inside look at the Karcher Road Overpass crews have been working on all summer and learn about some of the final steps they have to complete.


Facebook Live

Downloads & Resources

Project InformationAsset 4
I-84 Corridor FundingAsset 4
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