This is a complete list of current bridges and other crossings of the Ohio River from the mouth at the Mississippi River at Cairo, Illinois to the confluence of the Allegheny and Monongahela Rivers at Pittsburgh, Pennsylvania.
The source of the Ohio River is at the confluence of the Allegheny River and the Monongahela River ( 40°26′31″N 80°00′50″W / 40.44194°N 80.01389°W) at Pittsburgh, Pennsylvania.
This is a complete list of current bridges and other crossings of the Ohio River from the mouth at the Mississippi River at Cairo, Illinois to the confluence of the Allegheny and Monongahela Rivers at Pittsburgh, Pennsylvania.
The source of the Ohio River is at the confluence of the Allegheny River and the Monongahela River ( 40°26′31″N 80°00′50″W / 40.44194°N 80.01389°W) at Pittsburgh, Pennsylvania.