Built 1851
View Exhibit mapB&O Railroad Bloomington Viaduct (Garrett County, Maryland)
Built 1851 the original Stone bridge was encased in the current concrete arch in 1916.Stone arch bridge over North Branch Potomac River on CSX Railroad (Formally B&O Railroad)Open to traffic
Bellows Falls Tunnel (Windham County, Vermont)
Built 1851 Floor lowered 1897, 1977, & 2007Tunnel on RailroadOpen to traffic
Bridgeport Railroad Walking Bridge (Jackson County, Alabama)
Served as the Nashville, Chattanooga & St. Louis (later L&N) Railroad's main line from Nashville to AtlantaWalking bridge, converted from a former L & N Railroad deck truss bridgeOpen to pedestrians
Coburn Covered Bridge (Washington County, Vermont)
Built 1851 by Larned Coburn; rehabilitated 1973Covered bridge over Winooski River on Coburn Road (C3030)Open to traffic
CSX Boiling Fork Stone Arch Bridge (Franklin County, Tennessee)
Built 1851 as wooden trestle, replaced with stone arch bridge around turn of centurySpectacular stone arch bridge over Boiling Fork Creek on CSX RailroadOpen to traffic
Hollingshead Covered Bridge (Columbia County, Pennsylvania)
Built 1851; rehabilitated 1999Covered bridge over Catawissa Creek on Old Reading Road, east of CatawissaOpen to traffic
Keller's Bridge (Franklin County, Pennsylvania)
Built in 1851. Refaced in 1981Bridge over Back Creek on Private drive off of Valley Camp Road
Mull Covered Bridge (Sandusky County, Ohio)
Built 1851; made obsolete by new bridge in 1962 and closed to trafficCovered bridge on CR 9 southwest of FremontOpen to pedestrians only
Perche Creek Covered Bridge (Boone County, Missouri)
Built 1851 by Travis Burroughs for $2,500Lost covered bridge over Perche Creek west of Columbia, near the modern I-70 crossingRemoved 1931 after a new bridge was built on US 40 in 1924
Rochester Plank Road Bridge (Racine County, Wisconsin)
Built 1851Lost Through truss bridge over Fox River on Abandoned section of Plank RoadDestroyed by flooding