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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.

Quick Links

LRFD
manual

Bridge Standards

Final Design Software

Forum on 3D Design and Digital Delivery

LRFD Culvert Standards

County Bridge Standards

CADD bridge standard plan files and design manual and commentary disclaimer

Featured Bridges

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

Complete listing of staff contacts

Employment opportunities

Find out about careers at the Iowa DOT and how to apply.

Visit Iowa DOT Careers

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