Built 1820
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Bells Mill Road Bridge (Philadelphia County, Pennsylvania)
Built 1820Stone arch bridge over Wissahickon Creek on Bells Mill Road in PhiladelphiaOpen to traffic
Clarendon Bridge 33-26-01#2x (Cumberland County, North Carolina)
This was the second of three major bridges built in North Carolina by Town. This was the first offical use of the Town lattice truss as it was developed at this time and pat. during this year.Lost Town lattice through truss bridge over Cape Fear River on Person StDestroyed by fire
Conowingo Bridge (1820) (Harford County, Maryland)
Built 1820; All but two spans destroyed by flooding 1846Lost Covered through truss bridge over Susquehanna River on Highway 1Replaced by a new bridge
Hays Bridge (Franklin County, Pennsylvania)
Built 1820; rebuilt 1928; rehabilitated 1974Stone arch bridge over West Branch Conocoheague Creek on Anderson RoadOpen to traffic
Hibbs Bridge (Loudoun County, Virginia)
Built 1820, completed 1829Stone arch bridge over Beaverdam Creek on Snickersville RoadOpen to traffic
Highbridge (Hillsborough County, New Hampshire)
Stone arch bridge built in 1820. New Steel bridge sits on top of original stone arch.Stone arch bridge over Souhegan River on Turnpike Road/Route 124Open to traffic
Poinsett Bridge (Greenville County, South Carolina)
Built 1820 by Joel PoinsettGothic stone arch bridge over Little Gap Creek near TigervilleOpen to pedestrians only