New Castle, Pennsylvania

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Big Run Bridge (Lawrence County, Pennsylvania)
Built 1904; rehabilitated 1940
Closed-spandrel arch bridge over Big Run on Ellwood Road
Open to traffic

CSX - PA18 Overpass (Lawrence County, Pennsylvania)
Steel stringer bridge over PA 18 on CSX Railroad
Open to traffic

CSX - Shenango River Bridge (Lawrence County, Pennsylvania)
Deck plate girder bridge over Shenango River on CSX - frmr B&O and P&LE RRs
Open to traffic

East Washington Street Bridge (Lawrence County, Pennsylvania)
Built 1909
Concrete arch bridge over Neshannock Creek on East Washington Street in New Castle
Open to traffic

Frew Mill Road Bridge (Older) (Lawrence County, Pennsylvania)
Lost Through truss bridge over Slippery rock Creek on Frew Mill Road
Replaced by a new bridge

Grant Street Bridge (Lawrence County, Pennsylvania)
Built 1914
Through truss bridge over Shenango River on Grant Street in New Castle
Demolished and replaced.

Grove Street Bridge (Lawrence County, Pennsylvania)
Built 1950; replaced 2010
Lost Steel stringer bridge over Neshannock Creek on Grove Street
Replaced by a new bridge

Harmony Line - Cascade Park Viaduct (Lawrence County, Pennsylvania)
Built 1908; Line closed 1931
Pratt through truss bridge over Buffalo, Rochester & Pittsburgh Railway & Big Run on Pittsburgh, Harmony, Butler, & New Castle Railway
Removed

Jefferson Street Bridge (Lawrence County, Pennsylvania)
Built 1914
Concrete arch bridge over Big Run on Jefferson Street in New Castle
Open to traffic

Jefferson Street Bridge (Lawrence County, Pennsylvania)
Built 1921; replaced 2012
Lost Pony/through plate girder bridge over Neshannock Creek on South Jefferson Street
Replaced by a new bridge

KRL - Shenango River Bridge (Lawrence County, Pennsylvania)
Constructed from August 1901-02 by the BR&P, B&O and P&LE.
Whipple and Pratt through truss bridge over Shenango River on the New Castle Industrial Railroad.


Liberty Street Bridge (Lawrence County, Pennsylvania)
Built 1960; rehabilitated 2010
Deck plate girder bridge over Mahoning River on Liberty Street
Open to traffic

Mahoning Avenue Viaduct (Lawrence County, Pennsylvania)
Built 1923-24. Rehabilitated 1940, 1957-61; 1986; 2016-2018.
Through truss bridge over Shenango River on Mahoning Avenue in New Castle
Open to traffic

Mahoning River Bridge (Lawrence County, Pennsylvania)
Built 1932
Through truss bridge over Mahoning River on TR 395 (Old PA 18) in New Castle
Intact but closed to all traffic

NCIR - Shenango River Bridge (Lawrence County, Pennsylvania)
Through truss bridge over Shenango River on New Castle Industrial Railroad


Neshannock Creek Bridge (Lawrence County, Pennsylvania)
Built 1929; rehabilitated 1986
Pony/through plate girder bridge over Neshannock Creek on North Street
Open to traffic

Old Black Bridge (Covered) (Lawrence County, Pennsylvania)
Built 1815; destroyed by flood 1913
Lost Through truss bridge over Shenango River on Road
Destroyed by flooding

PRR - Shenango River Bridge (Lawrence County, Pennsylvania)
Through truss bridge over Shenago River on Pennsylvania Railroad
Abandoned

South Mill Street Bridge (Old) (Lawrence County, Pennsylvania)
Built 1917; rehabilitated 1982; replaced 2013
Through truss bridge over Neshannock Creek on Mill Street in New Castle
Replaced by a new bridge

South Mill Street Bridge (Replacement) (Lawrence County, Pennsylvania)
Bridge
Open to traffic

Washington Street Overpass (Lawrence County, Pennsylvania)
Built 1924
Girder bridge over NCIR Railroad on West Washington Street
Open to traffic

Willowgrove Road Bridge (Lawrence County, Pennsylvania)
Built 1921
Concrete through arch bridge over Hickory Run on Willowgrove Road in New Castle
Closed to all traffic