A controversial new cable show is thrusting America’s crumbling infrastructure into the spotlight. The debate stems not from the show’s content but from the engineering qualifications of its host, who criticizes others’ engineering and maintenance decisions in the name of public advocacy. Photo: By Tudor Van Hampton For ENR The history Channel’s “Inspector America” cites the I-35W bridge collapse in Minneapolis as one example of the country’s infrastructure crisis. Some say the show and its host are sensationalizing the truth. “Inspector America” debuted on Sunday, April 17 on the History Channel. The cable program examines roadways, dams, tunnels, levees, bridges
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.