The PC&Y Railroad Bridge carries a single railroad track over the Ohio River

Ohio River

The Ohio River is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream...

, between Stowe Township, Allegheny County, Pennsylvania and Neville Island, Pennsylvania.

Description

Built in 1894, this through truss railroad bridge once served the Pittsburgh, Chartiers & Youghiogheny Railroad. It spans the back channel of the Ohio River, and it is still in use today. A single rail line crosses the bridge, connecting chemical plants on the industrial half of the island with the Pittsburgh and Ohio Central Railroad

Pittsburgh and Ohio Central Railroad

The Pittsburgh and Ohio Central Railroad is a short-line railroad operating 35 miles of track over the Chartiers Branch in southwest Pennsylvania...

mainline.