John Yadlosky

John Yadlosky, P.E.

Director of Operations, Bridges & Structures

As director of operations for our Bridges & Structures group, John facilitates the coordination and collaboration of the more than 600 HDR bridge specialists throughout our offices around the world. In that position, he is passionate about staff development and creating the next generation of engineering leaders.

Also a senior vice president and project manager, John has nearly four decades of experience in the transportation industry. His bridge career began early on with the rehabilitation designs of Pittsburgh’s Elizabeth and McKees Rocks Bridges in the ’80s. He’s since contributed to the design and planning of scores of highway, railroad and transit structures, including the award-winning Mike O'Callaghan–Pat Tillman Memorial Bridge and the Arthur Ravenel Jr. Bridge and approaches. He also managed design work on the Mon-Fayette Expressway in Southeastern Pennsylvania, which had an estimated construction cost of over $1 billion.

John has authored technical papers and given presentations at universities, the Federal Highway Administration, Departments of Transportation and numerous professional organizations. Of particular note, he led a research project for the FHWA investigating the structural behavior of curved steel bridges and developed improved design criteria this structure type. In collaboration with Dr. Jai B. Kim of Bucknell University, he was also granted U.S. Patent No. 4691399 — Rehabilitation of Steel Truss Bridges by Means of Reinforcing Arches.   

A respected authority on bridge design and construction, John helped develop many of the guides and specifications published by the AASHTO-NSBA Steel Bridge Collaboration and is passionate about the future of the industry. In addition to his engineering experience, he is a Federal Aviation Administration-certified flight instructor. 

“Safe, economic and empowering structures are key to the future of our industry and our communities.”