Great Crossings Bridge, Stone arch bridge near Confluence, Pennsylvania, United States
The Great Crossings Bridge extends 375 feet in length and rises 40 feet high, featuring masonry construction with multiple stone arches spanning the Youghiogheny River.
Construction of the bridge began in 1815 under builders James Kinkead, James Beck, and Evan Evans, with President James Monroe attending its dedication in 1818.
The bridge marked an essential crossing point near the ford used by George Washington during his 1753 expedition to Fort LeBoeuf.
The structure remains submerged beneath Youghiogheny River Lake at 1,419 feet, becoming visible only during periods of significant drought conditions.
The bridge stands underwater alongside the remnants of Somerfield town, which was established in 1817 and later submerged during the creation of Youghiogheny River Lake.
GPS coordinates: 39.75541,-79.39674
Latest update: May 18, 2025 12:32
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