Concrete is then poured into the structure ... The drill shaft method can also be used to construct bridges over deep bodies of water. This technique involves drilling rigs into the seabed while ...

KAMI-SHIHORO, Hokkaido--It is known as the "phantom bridge" because the arched concrete span over Hokkaido's Lake Nukabirako vanishes from sight when water levels are adjusted by a dam on the ...

requires concrete to hold to a temperature range of 50° to 85° Fahrenheit during the winter,” Catanzaro says. The bridge deck spanned the Sakonnet River more than 130 feet above the water’s ...