Public domain
Ruins of R.R. bridge across Tennessee River, at Bridgeport, Tenn.? (i.e. Alabama) and pontoon bridge in course of construction
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineRuins of R.R. bridge across Tennessee River, at Bridgeport, Tenn.? (i.e. Alabama) and pontoon bridge in course of construction. 1863-01-01. Civil War Glass Negatives, Library of Congress. Public domain.