• 1

    11th Annual Structures Symposium

    12:00 pm to 2:00 pm 

    • Thursday, October 21, 2021
    • Thursday, October 28, 2021
    • Thursday, November 4, 2021
    • Thursday, November 11, 2021



  • 1

    Checking the Pulse of the Illinois Construction & Engineering Industry

    FREE SEAOI Webinar
    October 22, 2021 - 12:00 pm to 1:00 pm
    October Discussion: Meet the IDOT BBS Structural Services Section


  • 1

    Find a Structural Engineer

    Looking for an engineer for a residential or small commercial project?  Many SEAOI members specialize in smaller scale projects!  

  • 1

    SEAOI SE Exam Refresher Course 2020-2021

    Registration Open - Recordings Available!
    Started September 27, 2021, via Zoom and On-Demand

  • 1

    Revisiting Redundancy of Steel Bridges

    November 2, 2021 - 12:00 pm to 1:00 pm
    Jason B. Lloyd, PhD, PE, Bridge Steel Specialist
    National Steel Bridge Alliance


Welcome to the SEAOI website! Whether you are a practicing engineer, a curious student, or an interested citizen, you can find the information you need here. SEAOI was founded in 1965 to advance and advocate excellence in structural engineering and to aid in safeguarding the public. In 2015, we celebrated 50 years of living out our mission in Illinois.

Calendar of Upcoming Events

You can always find the latest events listed in the column to the right, on our Events Calendar page, or, if you prefer a calendar format, on our Google calendar

Join our mailing list!

SEAOI sends a weekly Tuesday Update email, as well as selected other annoucements for special events and news affecting the engineering community.  Use the button below to sign up.  You can also indicate your interest in Bridge Events, Central Illinois activities, and Women in Structural Engineering (SEAOI WiSE).

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Have a question about SEAOI?  Interested in getting involved as a volunteer?  Contact us!