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Dunlap's Creek Bridge is the first arch bridge in the United States built of cast iron. It was designed by Richard Delafield and built by the United States Army Corps of Engineers . [ 4 ] Constructed from 1836 to 1839 on the National Road in Brownsville, Pennsylvania , it remains in use today.
Brownsville Bridge. June 22, 1988 State ... An active 1839 structure, it stands as the first cast iron bridge ever constructed in the United States. 22: Fallingwater:
Dunlap's Creek Bridge (1839) under part of the level stretch of Market Street, carrying old U.S. Route 40 over Dunlap's Creek in Brownsville, is the nation's oldest cast iron bridge in existence. (Capt. Richard Delafield, engineer; John Snowdon and John Herbertson, foundrymen)
PA-72: Dunlap's Creek Bridge: Extant Cast iron arch 1839 1984 Market Street Dunlap's Creek ... PA-472: Old Brownsville Bridge: Extant Pennsylvania truss: 1914 1997
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Adams Avenue Bridge in Philadelphia: 1901 June 22, 1988 ... Brownsville Bridge: 1913 June 22, 1988 ... Cast iron arch: English Center Suspension Bridge:
In 1820, however, the bridge collapsed under a heavy snow combined with the loads from a six-horse wagon team. The bridge was replaced by the Dunlap's Creek Bridge, the country's first cast-iron bridge, in 1835. [4] Other bridges built in accord with his patent include: Fort Juniata Crossing, sometime after 1801, on the road from Carlisle to ...
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