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Thomas Viaduct, Baltimore & Ohio Railroad

Relay, Maryland
County of Baltimore.
Over Patapsco River between Relay and Elkridge
National Register Number: 66000388
 Resource type: Structure.
Property type: Transportation - rail - related. The threat level was Satisfactory in
2004.
Certified Local Government: NO
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Statement of Significance (as of designation - January 28, 1964):
Completed in 1835, this is one of the oldest of the multiple stone-arched railroad bridges and an early, notable example of railroad bridge construction in the United States.

Condition:
This stone bridge is still in daily use by CSX Railroad.


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