under pressure rises above the aquifer level. A __________ is located where the pressure surface is above the aquifer, but below the ground. nonflowing artesian well. If a well is drilled into an aquifer where the pressure surface is both above the aquifer and the ground, a __________ is formed. flowing artesian well.
Longest Single Span: 1,200 feet. Engineer(s): Figg & Muller Engineering Group. Completed in 1987, the Sunshine Skyway is the world's longest cable-stayed concrete bridge. It is probably the best known of the several dozen cable-stayed bridges that have been built in the United States since the late 1970s.
The Eads Bridge, which became an iconic image of the city of St. Louis, from the time of its erection until 1965 when the Gateway Arch was constructed, is still in use. The bridge crosses the St. Louis riverfront between Laclede's Landing, to the north, and the grounds of the Gateway Arch, to the south.