Iowa DOT News Release

Detour update for the proposed bridge improvements on U.S. 20 in Dubuque County  

Posted on: February 21, 2019

AMES, Iowa – February 21, 2019 – On January 31, 2019, the Iowa Department of Transportation requested public input on the proposed bridge improvements to U.S. 20 over the Mississippi River, in Dubuque County.  The proposed improvements include upgrading and repairs to the roadway lighting on the bridge. 

As a result of the public input, the Iowa DOT and contractor have agreed to push back the start date of this work to May 28, 2019. Eastbound traffic on U.S. 20 would be detoured during work hours (generally 7 a.m. to 3 p.m. each day) for four to six weeks, using U.S. 61/U.S. 151, Wisconsin 11, and Illinois 35.

For general information or to make a comment regarding the proposed improvements, contact Sam Shea, transportation planner, Iowa DOT District 6 Office, 5455 Kirkwood Blvd. SW, Cedar Rapids, Iowa 52404, phone 319-364-0235 or 800-866-4368, email

For information about this project or scheduled public meetings and hearings, and opportunities to offer input to the Iowa DOT during the development of certain projects, visit


Federal and state laws prohibit employment and/or public accommodation discrimination on the basis of age, color, creed, disability, gender identity, national origin, pregnancy, race, religion, sex, sexual orientation, or veteran’s status. If you believe you have been discriminated against, please contact the Iowa Civil Rights Commission at 800-457-4416 or Iowa Department of Transportation’s affirmative action officer.

Iowa highway in the evening