Built 1856

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Bank Street Covered Bridge 07-05-13x (New Haven County, Connecticut)
Built 1856; Replaced 1936
Lost Howe through truss bridge over Naugatuck River on Bank Street
Replaced by a new bridge

Berry Street Tunnel (Allegheny County, Pennsylvania)
Built 1851-1856; Converted to road use 1998
Tunnel on West Busway
Open to traffic

Bidwell Bar Bridge (1856) (Butte County, California)
Built 1856 using materials transported from Troy, NY; closed to traffic in 1954; relocated 1967
Relocated suspension bridge formerly over Feather River
Open to pedestrians

BO - Woods Fork Creek Bridge (Scott County, Indiana)
Stone double arch bridge built by Irish Laborers in 1856
Abandoned deck arch bridge over Woods Fork creek on Baltimore and Ohio Railroad

Carrollton Covered Bridge 48-01-02 (Barbour County, West Virginia)
Built 1856; rebuilt with concrete beam deck 1963; rehabilitated 2003, heavily damaged by arson August 10, 2017; reopened Sept. 14, 2017 with exposed superstructure
Burr Arch covered bridge over Buckhannon River on County Route 36

CRCX - Long Dock Tunnel (Hudson County, New Jersey)
Built 1856
Tunnel under Palisades Ridge on Conrail Shared Assets/frmr Erie RR

Crooks Covered Bridge 14-61-17 (Parke County, Indiana)
Built 1856, rebuilt 1867
Covered bridge over Little Raccoon Creek on CR225E
Open to traffic

CSX - Dewees Farm Overpass (Union County, Indiana)
Built 1856
Stone arch bridge over Private Farm Road on CSX Transportation
Open to traffic

CSX - Millboro Tunnel (Bath County, Virginia)
Tunnel under Tunnel Hill Road on CSX RR
Open to traffic

CSX - Schuylkill River Viaduct (Philadelphia County, Pennsylvania)
Built 1853-56; Altered 1935
Stone arch bridge over Schuylkill River on CSX Railroad

DL - Nay Aug Tunnel (Lackawanna County, Pennsylvania)
The tunnel on the north, built in 1856, is currently active. The tunnel on the south, built in 1905, was damaged by a hurricane in 1955.
Tunnel on Delaware-Lackawanna Railroad
Open to traffic

DL&W - Manunka Chunk Tunnels (Warren County, New Jersey)
Built 1856, 2nd bore opened 1869, abandoned 1970
Abandoned tunnel on DL&W Old Road

DLW - Changewater Trestle (Hunterdon County, New Jersey)
Built 1856
Lost Deck truss bridge over Musconetcong River on DL&W RR
Removed but not replaced

Elm Tree Garden Bridge (Jefferson County, Kentucky)
Built 1856
Lost Bridge over Louisville & Portland Canal on 18th Street
Replaced by a new bridge

First Bridge (Rock Island County, Illinois)
Built 1856, Replaced 1866.
Lost Howe through truss bridge over Mississippi River

Free Bridge (Lee County, Illinois)
Built 1856; Destroyed 1857
Lost Bridge over Rock River on Galena Avenue
Destroyed by flooding

Hooff's Run Bridge (Alexandria, Virginia)
Built 1856
Brick arch bridge over Hooff's Run on Jamieson Avenue
Open to traffic

Jefferson Street Canal Bridge (Montgomery County, Ohio)
Built in 1856 removed in 1887
Lost Bridge over Canal on Jefferson Street
No longer exists

Kennedy Covered Bridge 38-15-13 #2 (Chester County, Pennsylvania)
Built 1856; rehabilitated 1988
Through truss bridge over French Creek on Seven Stars Road
Open to traffic

Kilbourne Bridge (Oldest) (Sauk County, Wisconsin)
Built 1856; Replaced 1877
Lost Howe deck truss bridge over Wisconsin River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

LS&MS - Grand River Stone Arch (Lake County, Ohio)
Built 1856; Replaced 1908
Lost Stone arch bridge over Grand River on Lake Shore & Michagan Southern Railroad
Replaced by a new bridge

Marion Street Bridge (White County, Indiana)
Built 1856
Lost Timber stringer bridge over Tippecanoe River on Marion Street
No longer exists

Morris Bridge (First) (Grundy County, Illinois)
Built 1856
Lost Howe truss bridge over the Illinois River on Calhoun Street.
No longer exists

Mulberry Street Bridge (Hampshire County, Massachusetts)
Lost Truesdell pony truss bridge over Mill River on Mulberry Street in Leeds.
Replaced by a new bridge

Newton Falls Covered Bridge 35-78-01x (Trumbull County, Ohio)
Built 1856 demolished 1945
Lost Howe through truss bridge over Mahoning River

North Pennsylvania Railroad Bridge (Montgomery County, Pennsylvania)
Built 1856
Lost Whipple through truss bridge on North Philladelphia Railroad
No longer exists

Patoka Covered Bridge (Gibson County, Indiana)
Built in 1856 by W.T. Washer; replaced in 1923
Lost Burr arch-truss bridge over Patoka River on Main Street (Old Highway 41)
Replaced by a new bridge

Portland Mills Covered Bridge 14-61-21 (Parke County, Indiana)
Built 1856, relocated in 1961, closed to traffic in 1982, restored and reopened in 1996
Covered bridge over Little Raccoon Creek on CR650N
Open to traffic

Puente La Concepción (Caguas, Puerto Rico)
Built 1856
Stone arch bridge over Rio Canas on PR 798
Open to traffic

Rush Street Swing Bridge (Old) (Cook County, Illinois)
Built 1856 as the first all-iron bridge in Chicago, destroyed 1863
Lost swing bridge over Chicago River on Rush Street
Replaced by a new bridge

Strong Suspension Bridge (Franklin County, Maine)
Built 1856
Lost Wire suspension bridge over Sandy River on Main Street
Replaced by a new bridge

UP - Irondale Arch (Washington County, Missouri)
Built 1856
Stone arch bridge over Dry Creek on the Iron Mountain Railroad (now Union Pacific Railroad) in Irondale
Open to railroad traffic

US11 Sandy Creek Bridge (Jefferson County, New York)
Built 1856; rehabilitated 1990
Stone arch bridge over Sandy Creek on US 11 in Adams
Open to traffic

Welty's Mill Bridge (Franklin County, Pennsylvania)
Built 1856
Bridge over East Branch of the Little Antietam Creek
Closed to all traffic

Wilkes Street Tunnel (Alexandria, Virginia)
Used heavily during the Civil War, refurbished by city in 2007-08
Open to pedestrians and bicyclists