Projects
Much has been accomplished since the construction of the Council Bluffs Interstate System Improvements began in 2008. The Iowa DOT and Council Bluffs Interstate System Improvement Program appreciates the cooperation of all our project partners, the work of design and contractor teams, and the public’s flexibility and patience as we work to improve safety and the ability to move growing numbers of people and goods through this critical area of our state. While our work is far from done, completion is in sight.
Because of the magnitude of the overall program and limited availability of funding, construction will occur in multiple stages. Only a few projects remain to be constructed to fully implement the complete vision of the improvement program over the next two to three years. Individual projects are being strategically grouped and completed to maximize improvements to the system while simultaneously minimizing the impacts of construction to Council Bluffs residents and the traveling public.
Project map
Click on the project icons in the map below for more information about the project area and included improvements.

Completed fall 2018 East System Interchange
Jul 2014 - Jun 2020 I-80/I-29 Dual, Divided Freeway
Jan 2017 - Aug 2021 I-80 Missouri River Bridge
Completed in 2012 Madison Avenue Interchange
Nov 2021 - Mar 2024 Nebraska Avenue Interchange
Nov 2019 - Oct 2021 Railroad Relocation
Completed in Jan 2017 Union Pacific Railroad Bridge
Completed in Aug 2019 U.S. 275 / Iowa 92 Interchange
Completed in May 2017 West Broadway Interchage
April 2021 - Jul 2023 West System Interchange
Completed in Jul 2017