David Goodyear Engineer Arvid Grant, 93, was an accomplished structural engineer and self-taught in surveying and mechanical engineering/HVAC, peers say. Photo by Arvid Grant Pasco-Kennewick concrete cable-stayed bridge in Washington State was the longest of its kind in North America when built in the 1970s. Related Links: NY Times: Modern Bridge Design Attacked As Too Vulnerable to Corrosion The Day, May 29, 1988: Safety of Sleek, Modern Bridges Fiercely Debated Arvid Grant, 93, a pioneer of modern concrete cable-stayed bridge engineering whose Columbia River span in Washington state was the longest such crossing in North America when it opened in
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.