Bridges & Structures

Mark your calendars 

Registration for the 2023 forum on 3D Design and Digital Delivery of bridges and structures is now open.  Please visit our website: https://iowadot.gov/bridge/2023-3D-Forum to register.

Design, inspect and maintain our bridges and structures to assure safe and reliable mobility to the traveling public.

Featured Bridges

Loess Hills Bridges design

Loess Hills bridges

The dual bridges carrying the new U.S. 34 roadway over Interstate 29 in Mills County are positioned between the Missouri River on the west and the dramatic Loess Hills landscape on the east. Explore the Loess Hills bridges or view all featured bridges.

Contact Us

Bridges and Structures Bureau
Iowa Department of Transportation
800 Lincoln Way
Ames, Iowa 50010
515-239-1564


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