Belidor bascule

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This type of bascule designed by Bernard Forest de Belidor has a curved tower on which counterweights can roll, while pulling a cable attached to the bascule leaf, which raises the bridge. The bascule type was also built in Australia, where it is known as the "American" type of bascule.

CTT - West Fork South Branch Chicago River Bridge (Cook County, Illinois)
Built 1898
Lost deck plate girder bridge over West Fork South Branch Chicago River (No longer exists) on Chicago Terminal Transfer Railroad
No longer exists

DL&W - Morris Canal Bridge (Morris County, New Jersey)
Lost Deck plate girder bridge over Morris Canal on Delaware Lackawanna & Western Railroad
No longer exists

Erie - Berry's Creek Bridge (Bergen County, New Jersey)
Built 1896
Lost Bridge over Berry's Creek on New York Lake Erie & Western Railroad
No longer exists

Glimmer Glass Bridge (Monmouth County, New Jersey)
Bascule span installed 1938; bridge modified in 1949-50, 1957-58, 1963, and 1971
Bascule bridge over Glimmer Glass on Brielle Road in Manasquan
Open to traffic

Harway Avenue Bridge (Kings County, New York)
Built 1898 ; replaced 1930
Lost Concrete deck girder bridge over Coney Island Creek on Harway Avenue
Replaced by a new bridge

Michigan Avenue Bascule Bridge (Erie County, New York)
Built 1895; Replaced 1960
Lost Warren pony truss bridge over Buffalo River on Michigan Avenue
Replaced by a new bridge

Morris Canal Bridge (Hudson County, New Jersey)
Built 1905
Lost Steel stringer bridge over Morris Canal on Grove Street
No longer exists

Sebago Lake Bridge (Cumberland County, Maine)
Howe through truss bridge over Sebago Lake on Maine Route 114 Sebago Road
No longer exists

St. George River Bridge (Knox County, Maine)
Built 1928; rehabilitated 1991
Through truss bridge over St. George River on Wadsworth Street in Thomaston
Open to traffic