Visitor park sought for Thomas Viaduct

(Baltimore Sun) The stone bridge project left several laborers dead and injured, Patapsco River floods occasionally stopped the work and once a trestle collapsed, dropping granite loads into a millrace. The Thomas Viaduct was completed nonetheless and stands to this day, 174 years later - the country's oldest main line railroad span.
Trains have gotten bigger, heavier and longer, but still they roll over the eight granite arches heading north and south with freight and MARC passengers, wheels squealing through the river valley. Continued

Photos: 1. MDRails. 2. Library of Congress.