Charlestown, Massachusetts

Charlestown Elevated - Mystic River Bridge (Suffolk County, Massachusetts)
Built 1919, removed 1975
Deck girder bridge over Mystic River on Boston Elevated Railway (MBTA Orange Line)
No longer exists

Malden Bridge (Suffolk County, Massachusetts)
Built 1917, replaced 1963
Lost Through truss bridge over Mystic River on Route 99 Alford Street
Replaced by a new bridge