Rendering courtesy of Maine Dept. of Transportation One of the largest TIGER awards is $25 million, for the planned $158.5-million bridge across the Piscataqua River, between Maine and New Hampshire. Related Links: DOT press release on TIGER awards, with links to more information Profiles of each TIGER-winning project After another fierce funding competition, the Dept. of Transportation has awarded $584 million to highway, bridge, rail, port, pedestrian-safety and other projects in the latest round of its TIGER grant program.The sixth Transportation Investment Generating Economic Recovery program awards, which DOT Secretary Anthony Foxx announced on Sept. 12, went to 72 projects
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.