Specifications include, but are not limited to: Rehabilitation of an existing 12-span steel multi-girder bridge carrying Grays Ferry Avenue (SR 3021) over the Schuylkill River and tracks of CSXT and Amtrak. Bridge work includes (but not limited to) replacement of the existing LMC overlay and deck joints; miscellaneous steel repairs; bronze expansion bearing replacement; steel rocker bearing resetting; concrete repairs to the abutments, piers, barriers and deck; repair and retrofit of two steel pier caps; replacement of bridge drainage system; installation of a 10'-wide, barrier-separated multi-use trail on the eastbound bridge; and construction of a new retaining wall south of the southeast wingwall. The project also includes roadway and signal related improvements along Grays Ferry Avenue (SR 3021) from South 48th Street and 34th Street; installation of fiber interconnect from Woodland Ave/47th Street to Grays Ferry Ave/34th Street; and replacement of all highway lighting within the project limits, all as indicated on the approved drawings included in the bid package for STATE ROUTE 3021, SECTION GFB, in THE CITY OF PHILADELPHIA from South 48th Street at Segment 0064 Offset 0350 to 34th Street at Segment 0070/0071 Offset 3600/3600