Iowa DOT News Release

Iowa 3 near Dakota City in Humboldt County to close March 19 for bridge replacement work #iatraffic

Posted on: March 12, 2018

MASON CITY, Iowa – March 12, 2018 – A project to replace the bridge over the Des Moines River on Iowa 3 near Dakota City in Humboldt County will require closing the roadway to traffic between Humboldt County roads P-56 and P-63 from 8 a.m. Monday, March 19, until Oct. 31, weather permitting, according to the Iowa Department of Transportation’s Mason City construction office.

During this closure, traffic will be detoured around the construction zone using U.S. 169, Humboldt County roads C-26 and P-63, and Iowa 3.

United Contractors Inc. is the prime contractor for the $2,053,970 project.

The Iowa DOT reminds motorists to drive with caution, obey the posted speed limit and other signs in the work area, and be aware that traffic fines for moving violations are at least double in work zones. As in all work zones, drivers should stay alert, allow ample space between vehicles, and wear seat belts.

The latest traveler information is available anytime through our 511 system. Visit; call 511 (within Iowa) or 800-288-1047 (nationwide); stay connected with 511 on Facebook or Twitter (find links at; or download the free app to your mobile device.

To receive email or text alerts about traffic incidents, road closures, traffic delays, and other restrictions that affect this highway route or other routes you travel, the Iowa DOT offers the “Your 511” option on It’s easy to subscribe to Your 511 and sign up to receive the email/text alerts. Visit for simple, step-by-step instructions.


Contact: Roy Gelhaus at 641-422-1684 or

Iowa highway in the evening