Ambridge-Woodbridge Bridge Cantilevered through truss bridge over the Ohio River on 11th Street in Ambridge Open to traffic Built 1927 by the American Bridge Co.
Concord Church Road Bridge Pony truss bridge over Brush Creek on Concord Church Road Open to traffic Built 1871; rehabilitated 1929
Constitution Blvd. Bridge Deck truss bridge over Constitution Blvd. (PA 51) on a private road in Conway Open to traffic Built 1928
Fallston Bridge Two-span Whipple through truss bridge over Beaver River on Front Street in Fallston Open to traffic Built 1884
Frankfort Road Bridge Concrete arch bridge over Traverse Creek on PA 18 (Frankfort Road) Open to traffic Built 1932
Frankfort Road Bridge Through truss bridge over Raccoon Creek on PA 18 (Frankfort Road) Open to traffic Built 1932; rehabilitated 1977
Frye Bridge Deck truss bridge over Mckinley Run on New York Avenue in Rochester Open to traffic Built 1911; closed 1982
Garvins Bridge Pony truss bridge over Brush Run on State Line Road Open to traffic Built 1929; rehabilitated 1982
Koppel Bridge Deck truss bridge over Beaver River on PA 351 in Koppel Open to traffic Built 1915; rehabilitated 1994
Links Bridge Through truss bridge over Raccoon Creek on East Hookstown Road Open to traffic Built 1939
Lovi Road Bridge Stone arch bridge over Crows Run on Lovi Road Open to traffic Built 1930
Merchant Street Bridge Concrete arch bridge over Big Sewickley Creek on Merchant Street in Ambridge Open to traffic Built 1827; rehabilitated 2004
Moffet Mill Bridge Through truss bridge over Raccoon Creek on Moffet Mill Road Closed to all traffic Built 1929
Monaca Bridge Through truss bridge over the Ohio River on Pennsylvania Avenue in Monaca Open to traffic Built 1959; rehabilitated 1993
N & S Railroad& Beaver River Bridge Through truss bridge over N & S Railroad& Beaver River on LR 76,STA.712+19 in Bridgewater Open to traffic Built 1933; rehabilitated 1977
Pattons Bridge Through truss bridge over Raccoon Creek on Backbone Road Open to traffic Built 1927; rehabilitated 1965
Pennsylvania Avenue Bridge Through truss bridge over CSX Railroad on Pennsylvania Avenue in Monaca Open to traffic Built 1938
Service Creek Road Bridge Concrete arch bridge over Service Creek on Service Creek Road Open to traffic Built 1920
Watts Mill Road Bridge Two-span pony truss bridge over Little Beaver Creek on Watts Mill Road Open to traffic Built 1878 by the West Penn Bridge Co.
Young's Bridge Through truss bridge over Little Beaver Creek on Sylvania Drive Open to traffic Built ca. 1885