On July 4, 1828, Charles Carroll of Carrollton, the last living signer of the Declaration of Independence and a director of the Baltimore and Ohio Railroad, laid the cornerstone for the Carrollton Viaduct and remarked, "I consider this among the…

Built in 1938, the Howard Street Bridge is nearly 1,000 feet long with two steel arches spanning the Jones Falls Valley. This award winning bridge (voted one of the most beautiful by the American Institute of Steel Construction in 1939) was designed…