First Iron Bridge

First Iron Bridge is a Pennsylvania historical marker in Montgomery County, dedicated 1953.

Montgomery County · dedicated 1953 · SE corner, High (SR4031) & York Sts.

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The first iron truss bridge in the U.S. was built in 1845 in the Philadelphia & Reading Railroad blacksmith shop, just south of here. It was designed for the railroad in 1844 by Richard B. Osborne.

TodayHistorical map

Slide toward Today to fade the historical sheet and see the modern map underneath.

Barry Lawrence Ruderman Map Collection, Stanford Libraries

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under a mile from where William Gabby lived in the 1760s

what this marker records spans 1777 to 1789, overlapping William Gabby's years here

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

First Iron Bridge

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