About David Liu

David has over 25 years of experience in structural design and analysis of steel I-girders, steel box girders, steel trusss, prestressed concrete girders, post-tensioned bridges, retaining walls, noise walls, and railroad bridges. I worked on well-known long-span bridges like Lion’s Gate Bridge and Paseo Bridge. I have written 300 technical papers that were published, presented, accepted, or submitted to ASCE journals, ASCE periodicals, conferences, and seminars. I am a Program Manager and Team Leader for IDOT bridge inspections. I was a bridge department manager and PM for seven years.