Junction Railroad - Ohio - was created in 1846.
Central Ohio Railroad was created in 1847.
Bridgeport Bridge - Ohio River - was created in 1893.
Henry Covered Bridge - Ohio - was created in 1894.
Fourteenth Street Bridge - Ohio River - was created in 1868.
Cairo Mississippi River Bridge was created in 1929.
American Legion Memorial Bridge, Antietam Creek Aqueduct, Assawoman Bay Bridge, Baltimore and Ohio Railroad Covered Bridge, Big Elk Creek Covered Bridge (historical). I'm from Maryland!
Junction Railroad - Ohio - ended in 1853.
Central Ohio Railroad ended in 1915.
Baltimore and Ohio railroad
There are two major railroads running through Columbus, Ohio and they are the Norfolk Southern railroad and the CSX railroad.
The web address of the Northwest Ohio Railroad Prsrtn is: http://www.nworrp.org