It's the first American arch bridge to be constructed from segments of pre-cast concrete, a highly economical material. Two graceful arches support the roadway above. Usually arch bridges employ ...
A set of towering arches now cast shadows in downtown Miami, part of the support structures for a new Signature Bridge, a key ...
It's the first American arch bridge to be constructed from segments of pre-cast concrete, a highly economical material. Two graceful arches support the roadway above. Usually arch bridges employ ...
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