Encyclopedia of Bridges and Tunnels

Stephen Johnson received his B.A. from the University of Houston and has received awards from the Associated Press Managing Editors for his investigative journalism. He is the author of The Complete Idiot's Guide to Sunken Ships & Treasures. He lives in Georgia. Roberto T. Leon is a professor at the School of Civil and Environmental Engineering, Georgia Institute of Technology in Atlanta. He holds a B.S.C.E. degree from the University of Massachusetts at Amherst, an M.S.C.E. from Stanford University, and a Ph.D. from the University of Texas at Austin. He lives in Atlanta, Georgia.