31st Street Bridge (Allegheny County, Pennsylvania)
Built 1928; rehabilitated 1976 and 2007Steel arch bridge over Allegheny River on 31st Street in PittsburghOpen to traffic
Beechwood Blvd. Bridge (Allegheny County, Pennsylvania)
Built 1922; rehabilitated 1980Open-spandrel arch bridge over Penn Lincoln Parkway East (I-376) on Beechwood Blvd. in PittsburghOpen to traffic
Birmingham Bridge (Allegheny County, Pennsylvania)
Built 1976Steel through arch bridge over Monongahela River in PittsburghOpen to traffic
Brinton Road Bridge (Allegheny County, Pennsylvania)
Built 1950Open-spandrel arch bridge over the Penn Lincoln Parkway on Brinton Road in EdgewoodOpen to traffic
Carothers Street Bridge (Allegheny County, Pennsylvania)
Built 1927; rehabilitated 1979Pony truss bridge over Chartiers Creek on Carothers Street in CarnegieOpen to traffic
Charles Anderson Memorial Bridge (Allegheny County, Pennsylvania)
Built 1938; rehabilitated 1987Cantilevered deck truss bridge over CSX Railroad on Blvd. of The Allies in PittsburghOpen to traffic
Columbus Avenue Bridge (Allegheny County, Pennsylvania)
Built 1907; rehabilitated 1990Pony truss bridge over Norfolk Southern Railroad on Columbus Avenue in PittsburghOpen to traffic
Commercial Street Bridge (Allegheny County, Pennsylvania)
Built 1950; rehabilitated 1981Open-spandrel arch bridge over Commercial Street on I-376 in PittsburghOpen to traffic
Davis Avenue Bridge (Allegheny County, Pennsylvania)
Built 1898 by Fort Pitt Bridge Works; rehabilitated 1986; closed to traffic in 2001, demolished 2009Lost deck truss bridge over Woods Run Avenue on Davis Avenue in PittsburghDemolished May 6th, 2009
Eckert Street Bridge (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1994Open-spandrel arch bridge over Eckert Street on Ohio River Blvd. in PittsburghOpen to traffic
Fort Duquesne Bridge (Allegheny County, Pennsylvania)
Built 1959Steel through arch bridge over Allegheny River on I-279 in PittsburghOpen to traffic
Fort Pitt Bridge (Allegheny County, Pennsylvania)
Built 1959; rehabilitated 2002-03Steel through arch bridge over Monongahela River on I-279 in PittsburghOpen to traffic
Frazier Street Bridge (Allegheny County, Pennsylvania)
Built 1951; rehabilitated 1981Cantilevered deck truss bridge over local streets and the CSX Railroad on I-376 (Penn Lincoln Parkway) in PittsburghOpen to traffic
Heth's Run Bridge (Allegheny County, Pennsylvania)
Built 1914Open-spandrel arch bridge over a filled-in ravine on Allegheny River Blvd. in PittsburghOpen to traffic
Highland Park Bridge (Allegheny County, Pennsylvania)
Built 1940; rehabilitated 1986Deck truss bridge over Allegheny River on PA 1005 in PittsburghOpen to traffic
Hill Road Bridge (Allegheny County, Pennsylvania)
Built 1940; rehabilitated 1980Stone arch bridge over Zoo Walkway on Hill Road in PittsburghOpen to traffic
Homestead High Level Bridge (Allegheny County, Pennsylvania)
Built 1936; rehabilitated 1979Cantilevered deck truss bridge over Monongahela River in PittsburghOpen to traffic
Larimer Avenue Bridge (Allegheny County, Pennsylvania)
Built 1912; rehabilitated 1981Open-spandrel arch bridge over Washington Blvd. on Larimer Avenue in PittsburghOpen to traffic
Liberty Bridge (Allegheny County, Pennsylvania)
Built 1928; rehabilitated 1983Deck truss bridge over Monongahela River in PittsburghOpen to traffic
Liberty Tunnels South Portal Bridge (Allegheny County, Pennsylvania)
Built 1924; rehabilitated ca. 1980Concrete arch bridge over Saw Mill Run on West Liberty Avenue in PittsburghOpen to traffic
Lincoln Avenue Bridge (Allegheny County, Pennsylvania)
Built 1906; rehabilitated 1979Stone arch bridge over Washington Blvd. on Lincoln Avenue in PittsburghOpen to traffic
McArdle Viaduct No. 1 (Allegheny County, Pennsylvania)
Built 1933; rehabilitated 1960Through truss bridge over the Norfolk Southern Railroad on Mcardle Roadway in PittsburghOpen to traffic
Meadow Street Bridge (Allegheny County, Pennsylvania)
Built 1914; reconstructed 1962-63Open-spandrel arch bridge over Negley Run Blvd. on Meadow Street in PittsburghOpen to traffic
Monongahela Connecting Railroad Bridge (Allegheny County, Pennsylvania)
Built 1904; converted to vehicular use in 2000Through truss bridge over Monongahela River on Gateway Blvd. in PittsburghOpen to traffic
Ninth Street Bridge (Allegheny County, Pennsylvania)
Built 1926; rehabilitated 1993Suspension bridge over Allegheny River on Ninth Street in PittsburghOpen to traffic
Panther Hollow Bridge (Allegheny County, Pennsylvania)
Built 1897; rehabilitated 1932Steel arch bridge over Panther Hollow on Panther Hollow Trail in PittsburghOpen to traffic
Panther Hollow Trail Bridge (Allegheny County, Pennsylvania)
Built 1939Concrete arch bridge over Schenley Park Stream on Panther Hollow Trail in PittsburghOpen to traffic
Panther Hollow Trail Bridge (Allegheny County, Pennsylvania)
Built 1939Concrete arch bridge over Schenley Park Stream on Panther Hollow Trail in PittsburghOpen to traffic
Parkway East Ardmore Blvd. Bridge (Allegheny County, Pennsylvania)
Built 1951; rehabilitated 1981Steel arch bridge over Ardmore Blvd. on I-376 (Penn Lincoln Parkway) in PittsburghOpen to traffic
Ramp A Bridge (Allegheny County, Pennsylvania)
Built 1952; rehabilitated 1981Steel arch bridge over PA 8 (Ardmore Blvd.) on I-376 Ramp A in PittsburghOpen to traffic
Ramp D Bridge (Allegheny County, Pennsylvania)
Built 1952; rehabilitated 1981Steel arch bridge over Ardmore Blvd. on I-376 Ramp D in PittsburghOpen to traffic
Ridge Avenue Bridge (Allegheny County, Pennsylvania)
Built 1903; rehabilitated 1958Pony truss bridge over Norfolk Southern Railroad on West Ohio Street in PittsburghOpen to traffic
Ridge Avenue Extension Bridge (Allegheny County, Pennsylvania)
Built 1903; rehabilitated 1957Pony truss bridge over NS Railroad on Ridge Avenue in PittsburghClosed to all traffic
Robert McAfee Bridge (Allegheny County, Pennsylvania)
Built 1928; rehabilitated 1981Steel arch bridge over McClure Avenue on California Avenue in PittsburghOpen to traffic
Schenley Drive Bridge (Allegheny County, Pennsylvania)
Built 1896; rehabilitated 1994Steel arch bridge over CSX Railroad and Boundary Street on Schenley Drive in PittsburghOpen to traffic
Seventh Street Bridge (Allegheny County, Pennsylvania)
Built 1926; rehabilitated 1977Suspension bridge over Allegheny River on Seventh Street in PittsburghOpen to traffic
Sixteenth Street Bridge (Allegheny County, Pennsylvania)
Built 1922; rehabilitated 1982Steel through arch bridge over Allegheny River on Sixteenth Street in PittsburghOpen to traffic
Sixth Street Bridge (Allegheny County, Pennsylvania)
Built 1928; rehabilitated 1995Suspension bridge over Allegheny River on Sixth Street in PittsburghOpen to traffic
Smithfield Street Bridge (Allegheny County, Pennsylvania)
Built 1883 under the direction of engineer Gustav LindenthalTwo-span lenticular through truss bridge over Monongahela River on Smithfield Street in PittsburghOpen to four lanes of traffic
South Tenth Street Bridge (Allegheny County, Pennsylvania)
Built 1933; rehabilitated 1994Suspension bridge over the Monongahela River on South Tenth Street in PittsburghOpen to traffic
Swindell Bridge (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1990Cantilevered deck truss bridge over I-279 on Charles Street in PittsburghOpen to traffic
Twenty-Eighth Street Bridge (Allegheny County, Pennsylvania)
Built 1931; rehabilitated 1974Through truss bridge over NS Railroad on 28th Street in PittsburghOpen to traffic
Verner Avenue (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1989Open-spandrel arch bridge over Verner Avenue on Ohio River Blvd. in PittsburghOpen to traffic
Washington Crossing Bridge (Allegheny County, Pennsylvania)
Built 1923-24Three-span steel arch bridge over Allegheny River on Fortieth Street (Route 2124) in PittsburghOpen to traffic
West Carson Street Bridge (Allegheny County, Pennsylvania)
Built ca. 1915Concrete arch bridge over Saw Mill Run on West Carson Street in PittsburghOpen to traffic
West Carson Street Bridge (Allegheny County, Pennsylvania)
Built 1925 as a pony truss by the McClintic-Marshall Co.; converted to a through truss in 1978Pony truss bridge over Chartiers Creek on West Carson Street in PittsburghOpen to traffic
West End Bridge (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1991Steel through arch bridge over Ohio River on US 19 in PittsburghOpen to traffic
West End Circle Bridge (Allegheny County, Pennsylvania)
Built 1929Concrete arch bridge over Saw Mill Run on Cross Street in PittsburghOpen to traffic