ONAWA, Iowa — Sept. 30, 2026 — The Iowa 175 bridge over Interstate 29 in Onawa was struck earlier this week, and crews need to perform a detailed inspection of the bridge and make any necessary repairs.
Beginning at 9 a.m. Thursday, Oct. 1, weather permitting, mainline southbound and northbound I-29 will be closed for approximately two hours each; only one direction will be closed at a time. Closures will start with southbound I-29, followed by northbound I-29, according to the Iowa Department of Transportation’s District 3 Office.
I-29 traffic will be diverted to use the on- and off-ramps during the mainline closures. Flaggers will direct drivers through the area.
Southbound I-29 mainline closure (9 a.m.-11 a.m.)
During the southbound I-29 mainline closure, traffic will be directed to use the ramps at the Iowa 175 interchange (Exit 112).
During the northbound I-29 mainline closure, traffic will be directed to use the ramps at the Iowa 175 interchange (Exit 112).
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 511ia.org; call 511 (within Iowa) or 800-288-1047 (nationwide); stay connected with 511 on Facebook or X (find links at https://iowadot.gov/travel-tools/iowa-511/511-social-media-sites); or download the free app to your mobile device.
This content is sourced from
Iowa Department of Transportation
. It reflects the author's views and has not been edited by our newsroom. It may have been generated using AI assistance.
