The Queensboro Bridge is a two-level double cantilever bridge, with separate cantilevered spans over channels on each side of Roosevelt Island joined by a fixed central truss. In all, it has five steel truss spans, as well as approach viaducts on either side. The total length of the five spans, between the anchorages on the Manhattan and Queens sides, are approximately , of which are above water. In addition, there is a approach viaduct in Manhattan and a approach viaduct in Queens, connecting the anchorages on either side to street level. This brings the bridge's total length to . The bridge carries New York State Route 25, which ends at the span's western terminus.
the queensboro bridge is a two-level double cantilever bridge with separate cantilevered spans over channels on each side of roosevelt island joined by a fixed central truss in all it has five steel truss spans as well as approach viaducts on either side the total length of the five spans between the anchorages on the manhattan and queens sides are approximately  of which are above water in addition there is a approach viaduct in manhattan and a approach viaduct in queens connecting the anchorages on either side to street level this brings the bridge's total length to  the bridge carries new york state route 25 which ends at the span's western terminus