Fort Wayne Railroad Bridge
The Fort Wayne Railroad Bridge , listed as the Pennsylvania Railroad Bridge on the National Register of Historic Places , is a double-deck steel truss railroad bridge spanning the Allegheny River in Pittsburgh , Pennsylvania . 
<triplet> Fort Wayne Railroad Bridge <subj> steel truss <obj> instance of <subj> Allegheny River <obj> crosses <subj> Pittsburgh, Pennsylvania <obj> located in the administrative territorial entity <triplet> steel truss <subj> double-deck <obj> subclass of <triplet> Pittsburgh, Pennsylvania <subj> Allegheny River <obj> located in or next to body of water