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Replacing the Middleton and Ustick overpasses will make room for expanding I-84 in Canyon County. The Middleton and Ustick overpasses were built in 1966 and do not allow room for additional lanes on I-84. The Idaho Transportation Department is making plans to replace both overpasses in 2020.

El reemplazar los puentes de la Middleton y Ustick hará espacio para ampliar la autopista I-84 en Canyon County Los puentes de Middleton y Ustick fueron construidos en 1966 y no hay espacio para carriles adicionales en la autopista I-84. El Departamento de Transportación de Idaho está haciendo planes para reemplazar ambos puentes en el 2020. Manténgase Informado: Para más información y para recibir una hoja de inforamación, por favor llame 208-334-8152

Read MoreAsset 1
Middleton Road Overpass Plan MapAsset 2
Ustick Road Overpass
Plan Map

Design Process

The Middleton and Ustick overpasses are located on I-84 between the Franklin Road and Karcher Road interchanges. This work is part of ITD’s long-term vision for expanding I-84 from Nampa to Caldwell.

In 2018, the Federal Highway Administration accepted a proposal from ITD to complete the environmental study in smaller parts. This allowed ITD to move forward with designing improvements between Franklin Road and Karcher Road, including the Middleton and Ustick overpasses.

Public Input

ITD is in the process of working with local jurisdictions, key stakeholders and the traveling public to determine the best design for the overpasses.

The community was invited to provide input about the overpass designs at an open house on July 24, 2019. Missed the meeting? Watch our Facebook Live video from the open house for more information!

Pop-Up Meetings were held for community members on July 29 and August 5 at Walmart in Caldwell.

Additional Pop-Up Meetings were held on August 7 at Indian Creek Estates, and August 11 at Caldwell’s Tejano Festival.

Traffic Study Outcomes

A traffic analysis was completed in 2018 for this area of I-84. The study included a detailed review of future traffic needs.

The analysis concluded that future traffic needs will be addressed by widening I-84 and improving existing interchanges. 

Working

**All contact information will be kept confidential,
but all comments will be publicly visible**
Interactive Comment Map

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Spring/Summer 2019
Develop preliminary design
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Summer 2019
Gather input at community open house
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Fall 2019
Complete final design
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Spring 2020
Begin construction
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Downloads & Resources

Fact SheetsAsset 4
I-84 CorridorAsset 4
Drive Idaho PodcastAsset 4
Contact the I-84 Corridor project teamAsset 4
July 2019 Open HouseAsset 4
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