Bascule (Jackknife) bridge

Photograph of a train crossing the bascule bridge, headed for Canada. The prominent counter-weights on each leaf weigh 600 tons. Built in 1913, the bascule bridge is still operational in 2006.
Abstract/Description: Photograph of a train crossing the bascule bridge, headed for Canada. The prominent counter-weights on each leaf weigh 600 tons. Built in 1913, the bascule bridge is still operational in 2006.
Subject(s): Boats and boating
Soo Locks (Mich.)
Date Created: 1925 (approximate)