Belmont, Massachusetts

BM - Clark Street Bridge (Middlesex County, Massachusetts)
Built 1908
Lost Howe pony truss bridge over Boston & Maine RR on Clark Street
Replaced by a new pedestrian bridge

MBTA - Concord Avenue Overpass (Middlesex County, Massachusetts)
Built 1907
Stone arch bridge over Concord Avenue on MBTA Fitchburg Line
Open to traffic