Keller & Harrington

of Chicago, Illinois
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Keller & Harrington is one of Scherzer's Patents who designed many rolling lift bridges in their career. Charles L. Keller is the head patent for designing Scherzer's bascule bridges of the Scherzer Rolling Lift bridge Company.

Central Avenue Bridge (Sussex County, Delaware)
Built 1923
Bascule bridge over Broad Creek on Central Avenue in Laurel
Intact but closed to all traffic

Eureka Bridge (Winnebago County, Wisconsin)
Built 1939
Lost Scherzer-type rolling lift bascule bridge (with overhead counterweight) over Fox River on CTH K in Town of Rushford
Replaced by a new bridge

Hodges Ferry Bridge (Chesapeake, Virginia)
Built 1929
Lost Deck girder bridge over Western Branch Elizabeth River on State Route 337 Portsmouth Boulevard
Replaced

Kewaunee WI Bascule Bridge (Kewaunee County, Wisconsin)
Built 1929
Lost Pony/through plate girder bridge over Kewaunee River on Sth 29/42-Milwauke
Replaced by new bridge

MBTA - North Station Charles River Bridges (Middlesex County, Massachusetts)
Built 1931
Baltimore through truss bridge over Charles River on MBTA North Station Leads
Open to traffic

Michigan Street Bridge (Door County, Wisconsin)
Built 1930
Bascule through truss bridge over Sturgeon Bay on Michigan Street in Sturgeon Bay
Open to traffic

Mispillion River Bridge (Kent County, Delaware)
Built 1929
Bascule bridge over Mispillion River on Rehoboth Road
Open to traffic

Muscoda Bascule Bridge (Grant County, Wisconsin)
Built 1929
Lost Pony/through plate girder bridge over Wisconsin River on State Highway 80
Replaced by new bridge

Route 14 Bridge (Sussex County, Delaware)
Built 1928
Lost Pony/through plate girder bridge over Broadkill River on Route 14 Lavinia Road
No longer exists

Sauk City Bridge (Old) (Sauk County, Wisconsin)
Built 1923
Pony plate girder bascule bridge over Wisconsin River on Wisconsin Highway 12 Bryant Street
Replaced by a new bridge

Sidney Street Bridge (Outagamie County, Wisconsin)
Built 1912
Lost Deck plate girder bridge over Fox River on Sidney Street
No longer exists