Amtrak Railroad Anacostia Bridge
The Amtrak Railroad Anacostia Bridge is a railway-only bridge which crosses the Anacostia River in Washington , D . C . 
<triplet> Amtrak Railroad Anacostia Bridge <subj> Anacostia River <obj> crosses <subj> Washington, D.C. <obj> located in the administrative territorial entity <triplet> Anacostia River <subj> Washington, D.C. <obj> located in the administrative territorial entity <triplet> Washington, D.C. <subj> Anacostia River <obj> located in or next to body of water