Robert L. Lentz, P.E., F.ASCE, has been the transportation engineering department head for the Waterloo, Iowa, office of AECOM for over 20 years. After graduating from Iowa State University and serving in the U.S. Army, Lentz has been engaged in transportation engineering throughout the Midwest for over 40 years. He has managed over 120 highway planning and design projects in 5 states, with a total construction value exceeding $700 million.
Among the projects Lentz has been involved with are the $80 million Martin Luther King, Jr. Parkway in Des Moines, Iowa, which features a 6-lane urban arterial street with signature arch bridges and enhancements; the 53-mile U.S. 151 reconstruction in eastern Iowa, which features $120 million in improvement with 6 new interchanges and bypasses; and the $130 million Southwest Arterial in Dubuque, Iowa, which features a 4-lane freeway with 3 new interchanges and a variety of sustainable design features.
President of the Iowa Section of ASCE and NEI (Northeast) Chapter of the Iowa Engineering Society, Lentz was named Outstanding Civil Engineer of the Year by the Iowa Section of ASCE in 2006. He has been active in civil engineering education and mentoring, having served as guest lecturer at several university civil engineering classes, guest speaker at junior high school classes, and as an advisor on the Iowa State University Highway Design Council.
In addition to AECOM, Lentz also served as the corporate transportation engineering technical practice leader for Donohue & Associates and Earth Tech Inc. for 8 years.