• 1

    SEAOI Movable Bridge Workshop

    Join us for our FIRST Movable Bridge Workshop!
    Wednesday, June 8, 2022 - 8:00am to 4:00pm

  • 1

    2022 Awards Celebration

    Join us for a relaxed evening of celebration at On Tour Brewery!

    June 16, 2022 - 5:00pm to 8:00pm

  • 1

    New Webinars Available!

    SEAOI is pleased to offer many recorded lectures and classes for CE credit. Many are free for members and all are available on demand. Find a webinar today!

  • 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 2021-2022

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


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).

Sign Up for Email Updates

Contact us!

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