Historic Bridges of the U.S.

Broadfording Road Bridge (Washington County, Maryland)
Built 1829; rehabilitated 2005
Stone arch bridge over Conococheague Creek on Broadfording Road in Maugansville
Open to traffic

Carrollton Viaduct (Baltimore, Maryland)
Built in 1829 for the Baltimore and Ohio Railroad, this is the oldest railroad bridge in the world still in use.
Stone arch bridge over Gwynn's Falls on CSX Transportation
Open to traffic

Conococheague Creek Bridge (Washington County, Maryland)
Built 1829; rehabilitated 1987
Stone arch bridge over Conococheague Creek on MD 68
Open to traffic

Roberts Covered Bridge (Preble County, Ohio)
Built 1829 by Orlistus Roberts on Old Camden Road; damaged by arson 1986; relocated and restored 1991
Covered bridge over Seven Mile Creek in Eaton
Open to traffic