DL&W’s Delaware River Viaduct By Angela Cotey | June 6, 2023 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates In May 1950, a lone 2-8-0 runs west across the Lackawanna Railroad’s bridge across the Delaware River, one of many concrete structures built as part of the road’s early 20th century line improvements. William D. Middleton photo Share this article Print Facebook