The Knapps Narrows drawbridge connects Tilghman Island with the rest of Maryland and is the busiest drawbridge in the nation, as measured by openings.
Jeff Barron, 64 (when it was taken), lifts the Knapps Narrows drawbridge in Tilghman Island, Md., on an early Wednesday morning. It is the busiest drawbridge in the nation as far as the number of openings. In 2011, it opened 10,800 times. Sarah L. Voisin/The Washington Post Buy Photo