Architecture queensboro The Queensboro Bridge is a two-level double cantilever bridge. It has two cantilever spans, one over the channel on each side of Roosevelt Island. Journal · 03 · 27+♥ 200 Last update at 27 · 03 · by milo ‧‧‧ One of 7755 Architecture is both the process and the product of planning, designing, and constructing buildings and other physical structures.Architecture More in ArchitectureMore in Design Home Architecture > Design queensboro PIFTW