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Regional Project Information
Kempton Bridge & NW 66th Avenue Improvements - A Polk County project involving the city of Johnston.

Phase I - The bridge over the Des Moines River and 1,000 feet in either direction is currently under construction. A temporary trail under the bridge is open during the construction of the bridge.

Phase II - The reconstruction of NW 66th Avenue from the river bridge to the intersection of NW 66th Avenue and NW Beaver Drive will occur from spring 2016 through fall 2017. Traffic will be open during construction although the west leg of the intersection of NW 66 Avenue and NW Beaver Drive may be closed when it is being reconstructed. This phase of the project includes the construction of a recreation trail from the intersection of NW Beaver Drive and NW 66th Avenue to the Neal Smith Trail at the Sycamore Access

Phase III - The reconstruction of NW 66th Avenue from east of the bridge to NW 26th Street will occur from spring 2018 through fall 2019. The roadway will be open to traffic during construction.

Click here for the latest construction updates from Polk County.  An overview of the project is available here.

Interstate 35/80 and Highway 141 Interchange - An Iowa DOT Project.

You are invited to attend a public meeting on Thursday, March 9 between 5 and 6:30 pm at the Giovannetti Community Shelter in Walker Johnston Park, located at 8900 Douglas Avenue in Urbandale. The proposed improvements at the Interstate 35/80 and Iowa 141 interchange (Rider Corner) in Polk County will be displayed and discussed.

This public information meeting will be conducted utilizing an open forum format. Iowa DOT staff will be present to discuss the project informally. Interested individuals are encouraged to attend to express their views and ask questions about the proposed improvements.

More information concerning this project will be posted as it becomes available at the Iowa DOT’s website. If you would like to make a comment regarding this project please visit this web page.