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Rockville Bridge

Dauphin County · dedicated 2010 · N Front St. in Susquehanna Twp., at Fort Hunter's Heckton Church (set back from road)

The longest stone masonry arch railroad bridge in the world, visible to the south, was built between 1900 and 1902. Named for the surrounding small settlement, it has forty-eight arches and a length of 3,820 feet. It is the third bridge constructed here by the Pennsylvania Railroad. A wooden structure had been built 1847-49, followed by an iron bridge in 1877.

David Rumsey Map Collection, Stanford Libraries

Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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