About Thomas Viaduct

Bridges, Architecture, Interesting Places, Viaducts

The Thomas Viaduct spans the Patapsco River and Patapsco Valley between Relay, Maryland and Elkridge, Maryland, USA. It was commissioned by the Baltimore and Ohio Railroad (B&O); built between July 4, 1833, and July 4, 1835; and named for Philip E. Thomas, the company's first president.

At its completion, the Thomas Viaduct was the largest railroad bridge in the United States and the country's first multi-span masonry railroad bridge to be built on a curve. It remains the world's oldest multiple arched stone railroad bridge. In 1964, it was designated as a National Historic Landmark.

Source From: Wikipedia
Avalon, Park Entrance Road, Baltimore County, Maryland, United States of America, 21227

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