US 15

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Branch Rock Creek Bridge (Adams County, Pennsylvania)
Built 1919
Concrete arch bridge over a branch of Rock Creek on Old US 15 (PA 3001)
Open to traffic

Cowanesque River Bridge (Steuben County, New York)
Built 1941; replaced 2010
Lost polygonal Warren through truss bridge over Cowanesque River on US 15
Replaced by a new bridge

Fishing Creek Bridge (Perry County, Pennsylvania)
Built 1936
Concrete arch bridge over Fishing Creek on US 11/US 15 in Marysville
Open to traffic

Flat Run Bridge (Frederick County, Maryland)
Built 1927
Concrete arch bridge over Flat Run on US 15 BU
Open to traffic

Juniper Creek Bridge (Scotland County, North Carolina)
Built 1930; rehabilitated 1955
Wooden bridge over Juniper Creek on US 15/US 501
Open to traffic

Market Street Bridge (5th) (Lycoming County, Pennsylvania)
Built 1894; Demolished 1949
Lost Pratt through truss bridge over West Branch Susquehanna River on Market Street & Interurban
Replaced by a new bridge

Market Street Bridge (6th) (Lycoming County, Pennsylvania)
Built 1951; Replaced 2007
Lost Steel stringer bridge over West Branch Susquehanna River on US 15
Replaced by a new bridge

Marsh Creek Bridge (Adams County, Pennsylvania)
Built 1920
Open-spandrel arch bridge over Marsh Creek on Business US 15 (PA 3001)
Demolished, being replaced

Middle Creek Bridge (Adams County, Pennsylvania)
Built 1921
Open-spandrel arch bridge over Middle Creek on PA 3001 (Old US 15)
demolished

Potomac River Bridge (Frederick County, Maryland)
Built 1939; rehabilitated 1980
Through truss bridge over Potomac River on US 15
Open to traffic

Santee River-Lake Marion Bridge (Clarendon County, South Carolina)
Built 1946
Girder bridge over Santee River-Lake Marion on US 15
Open to pedestrians only

Toms Creek Bridge (Frederick County, Maryland)
Built 1923
Concrete arch bridge over Toms Creek on US 15 BU
Open to traffic