Lane closures on northbound I-29 over the Floyd River in Sioux City

SIOUX CITY, Iowa — Nov. 10, 2026 — The Iowa Department of Transportation reports that northbound Interstate 29 traffic over the Floyd River was temporarily diverted following a fire beneath the bridge today.

The fire was first observed from the nearby bike trail and reported to 911. The fire subsequently spread to the bridge's expansion joints, with flames and smoke becoming visible on the I-29 northbound bridge deck. As a precaution, traffic was diverted while the Sioux City Fire Department responded and extinguished the fire.

Preliminary findings indicate the fire was caused by a campfire associated with a homeless encampment located beneath the structure. No injuries were reported because of the incident.

Following the fire, Iowa DOT personnel conducted an inspection of the bridge and determined it was safe to reopen to traffic. While the bridge remains open, repairs to the damaged expansion joint will be required and will be scheduled at a later date.

The Iowa DOT appreciates the prompt response of the Sioux City Fire Department and the patience of motorists during the temporary traffic disruption.

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.

It’s easy to subscribe to Your 511 and sign up to receive email/text alerts. Visit https://new.511ia.org/#login to sign up. For instructions and help with this feature, visit https://511ia.org/help/section/how-to-create-and-manage-a-511-account.html.

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For more information, contact Jessica Felix, District 3 engineer, at 712-274-5833 or [email protected].

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