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The Rockville Bridge is the longest stone masonry arch railroad viaduct ever built, [2] at 3,820 feet (1,160 m). It has 48 70-foot spans. [2] The bridge crosses the Susquehanna River about 5 miles (8 km) north of Harrisburg, Pennsylvania. The eastern end is located in Rockville and the western end is just south of Marysville.
Name Image Built Listed Location County Type Bridge in Athens Township: 1913 June 22, 1988 removed August 22, 2012: Athens: Bradford: Pennsylvania (petit) truss Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR
The Perkiomen Bridge, originally built 1798-99 and widened in 1928, is one of the oldest stone arch bridges in the United States still in use. It crosses Perkiomen Creek near Collegeville, Pennsylvania. The bridge's six semi-circular arches cover a total of over 300 feet (91 m). The longest arch spans 76 feet (23 m).
HABS PA-1657: Pennsylvania Railroad, Connecting Railway Bridge ... Stone arch; HAER PA-39: Twin Bridges: ... HAER PA-118: Road bridge Cross Keys Road 1973
Off Pennsylvania Route 45 at Pennsylvania Furnace, south of the Centre County line 40°42′13″N 78°00′47″W / 40.703611°N 78.013056°W / 40.703611; -78.013056 ( Pennsylvania Furnace
The Old Stone Arch Bridge is a single-span, stone, arch bridge that crosses Jack's Creek in Derry Township, Mifflin County, Pennsylvania. It is the oldest bridge of its type in central Pennsylvania. History and architectural features
Three of these sites are shared with other states and are credited by the National Park Service as being located in those other states: the Delaware and Hudson Canal (centered in New York but extending into Pennsylvania); the Beginning Point of the U.S. Public Land Survey (on the Ohio–Pennsylvania border); and the Minisink Archeological Site ...
Starrucca Viaduct is a stone arch bridge that spans Starrucca Creek near Lanesboro, Pennsylvania, in the United States.Completed in 1848 at a cost of $320,000 (equal to $11,268,923 today), it was at the time the world's largest stone railway viaduct and was thought to be the most expensive railway bridge as well.