Big Mac Bridge (Hamilton County, Ohio)
Constructed started 1971; opened to limited traffic 1977; dedicated 1981; entire I-471 project completed 1985
Pair of tied-arch bridges over the Ohio River on I-471 in Cincinnati
Open to eight total lanes of traffic

Brent Spence Bridge (Hamilton County, Ohio)
Built 1963
Double-decker cantilevered through truss bridge over the Ohio River on I-71/I-75 at Cincinnati
Open to traffic

C&O Railroad Bridge (Hamilton County, Ohio)
Built 1929
Cantilevered through truss bridge over the Ohio River at Cincinnati
Open to railroad traffic

Clay Wade Bailey Bridge (Hamilton County, Ohio)
Built 1974
Through truss bridge over Ohio River on US 25/US 42/US 127 in Cincinnati
Open to traffic

Columbia Parkway Bridge (Hamilton County, Ohio)
Built 1938
Deck truss bridge over US 50 on Columbia Parkway in Cincinnati
Open to traffic

Eden Park Melan Arch Bridge (Hamilton County, Ohio)
Built 1894
Concrete arch bridge at Eden Park in Cincinnati
Open to traffic

L&N Railroad Bridge (Hamilton County, Ohio)
First built 1872 as a Whipple through truss bridge; reconstructed 1897; railroad service discontinued 1987; closed to road traffic 2001; rehabilitated and reopened to pedestrians 2003
Five-span through truss bridge over the Ohio River formerly carrying the Louisville & Nashville Railroad (later CSX) and US 27 between Cincinnati and Newport
Open to pedestrian traffic only

Ludlow Viaduct (Hamilton County, Ohio)
Built 1914; replaced 1991-92
Lost six-span concrete arch bridge over Mill Creek Valley on Ludlow Avenue in Cincinnati
Replaced by a modern bridge

Roebling Suspension Bridge (Hamilton County, Ohio)
Built 1866 by John A. Roebling. Rehabilitated 1955.
Suspension bridge over the Ohio River between Cincinnati and Covington
Open to two-lane traffic

US 22 Bridge (Hamilton County, Ohio)
Built 1930
Arch bridge over Conrail Railroad on US 22 in Cincinnati
Open to traffic

Western Hills Viaduct (Hamilton County, Ohio)
Built 1930-32 as part of the Union Terminal Project; eastern end rebuilt 1960-63 to accomodate I-75
Double-decker concrete viaduct with two open-spandrel arch spans over Mill Creek Valley in Cincinnati
Open to two decks of traffic