Built 1823
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Culvert Road Tunnel (Orleans County, New York)
Built 1823Stone arch tunnel under the Erie Canal on Culvert RoadOpen to traffic
Falling Creek Bridge (Chesterfield County, Virginia)
Built 1823Stone arch bridge over Falling Creek on Old US 1Derelict/abandoned
Funkstown Bridge (Washington County, Maryland)
Built 1823; widened 1931 by H.O. Williar Jr. (Chief Engineer); W.C. Hopkins (Bridge Engineer)Stone arch bridge over Antietam Creek on US 40 ALTOpen to traffic
Hyde Hall Covered Bridge 32-39-01 (Otsego County, New York)
Built 1823 by George ClarkBurr arch-truss bridge over Shadow Brook on Old East Lake RoadOpen to pedestrians
Mill Bridge (Middlesex County, Connecticut)
Built 1823; covered by new bridge 1927; rediscovered 1994Stone arch bridge over Allyn's Brook on Main Street/ CT 17 in DurhamOpen to traffic