CSX - Ashepoo River Bridge
Photo taken by Douglas Butler in April 2013
View this photo on Flickr
BH Photo #283651
Listed in TT 2 Oct 27, 1957 as "straight railed, bolted up, open only on advance notice"
Closed since at least 1949, counterweights removed.
Website makes no mention of creative commons, ergo they're copyrighted.
Good news though, the site's frontpage has a link to the person's email so you can ask about usage: http://www.semanchuk.com/