Bart served 30 years as an officer in the U. S. Army Corps of Engineers. Four of those years were involved in the Salmon Restoration Program on the Columbia River where he worked closely with Native Americans, the Bureau of Reclamation, and National Marine Fisheries Service. Subsequently, Bart served as the Caltrans District 6 Director and the CAO for Fresno County. In retirement, he worked as a consultant for the California High Speed Rail Project and is a former President of the Board for the San Joaquin River Parkway and Conservation Trust.