As sea levels rise—compounding coastal problems such as erosion, storm surge and tidal flooding—engineers are changing the way they work, using adaptive design and new technologies to prepare for an uncertain future

It may seen ironic at first glance that the U.S. Army Corps of Engineers and the U.S. Bureau of Reclamation are fasttracking a $900-million effort to address flood-risk and dam-safety issues at Folsom Dam, located near Sacramento, Calif., amid a headline-making, ongoing drought.

ENR’s “Low & Slow Across America’s Infrastructure” tour started with a basic idea: Drive a car as old as the interstate highway system across the U.S. to identify infrastructure progress and critical needs.