Lisbon, Connecticut

Mill Brook Bridge (New London County, Connecticut)
Built ca. 1790; destroyed by flooding on March 30, 2010
Lost stone arch bridge over Mill Brook on Lower Blissville Road (Old Alignment) in Lisbon
Destroyed by flooding

PW - Kinsman Hill Road Overpass (New London County, Connecticut)
Stone arch bridge over Kinsman Hill Road Exd on P&W Willimantic Branch in Lisbon
Open to traffic

PW - Taft Tunnel (New London County, Connecticut)
Built 1837
Tunnel on P&W Norwich Branch in Lisbon
Open to traffic