Built during 1820s

Ahler's Bridge in Nockamixon Township (Bucks County, Pennsylvania)
Built 1826, Rebuilt by Bucks County in 2001,
Two-span stone arch bridge over Nockamixon Creek on Old Easton Road in Nockamixon Twp btwn Ferndale & Knitnersville, PA
Open to traffic

Assonet River Bridge (Bristol County, Massachusetts)
Built 1822
Stone arch bridge over Assonet River on MA 79 (Elm Street) in Freetown
Open to traffic

Barkcamp Creek Bridge (Belmont County, Ohio)
Built ca. 1825
Stone arch bridge over Barkcamp Creek on TR 814 (Old National Road)
Open to traffic

Bath/Haverhill Covered Bridge (Grafton County, New Hampshire)
Built 1827; rehabilitated 1973
Covered bridge over Ammonoosuc River on NH 135
Open to Pedestrians

Beaver Creek Bridge (Washington County, Maryland)
Built 1824
Stone arch bridge over Beaver Creek on MD 68
Open to traffic

Bedford Creek Bridge (Jefferson County, New York)
Built 1825
Stone arch bridge over Bedford Creek on Chestnut Ridge Road (formerly campbells pt road)
Open to traffic

Bells Mill Road Bridge (Philadelphia County, Pennsylvania)
Built 1820
Stone arch bridge over Wissanickon Creek on Bells Mill Road in Philadelphia
Open to traffic

Blaine Hill "S" Bridge (Belmont County, Ohio)
Built 1828; rehabilitated 1999
Three-span stone arch bridge over Wheeling Creek on the National Road at Blaine Hill
Open to pedestrians only

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

Byberry Road Bridge Bryn Athyn, PA (Montgomery County, Pennsylvania)
Built 1828
Stone arch bridge over Southampton Creek on Byberry Road in Bryn Athyn
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
Open to traffic

Catskill Creek Bridge (Greene County, New York)
Built 1825; rehabilitated 1937
Concrete arch bridge over Catskill Creek on CR 23B in Leeds
Open to traffic

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

Culvert Road Tunnel (Orleans County, New York)
Built 1823
Stone arch tunnel under the Erie Canal on Culvert Road
Open to traffic

Devil's Backbone Bridge (Washington County, Maryland)
Built 1824
Concrete arch bridge over Little Beaver Creek on "Route 68/ just West of Alt Route 40/ The Old National Pike"
Open to traffic

Elders Bridge (Franklin County, Pennsylvania)
Built 1825 by Silas Harry; rehabilitated 1983
Stone arch bridge over West Branch Conococheague Creek on Hill Road
Open to traffic

Falling Creek Bridge (Chesterfield County, Virginia)
Built 1823
Stone arch bridge over Falling Creek on Old US 1
Intact but closed to all traffic

Fannettsburg Bridge (Franklin County, Pennsylvania)
Built ca. 1793-1824; rehabilitated 1910
Stone arch bridge over West Branch Conococheague Creek on PA 4004 (Fannettsburg Road)
Open to traffic

Fox Run S Bridge (Muskingum County, Ohio)
Built 1828 as part of the National Road. Placed on the NRHP in 1973.
Stone arch bridge over Fox Run on the original alignment of the National Road (US 40).
Open to pedestrians

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 ALT
Open to traffic

Halpin Covered Bridge (Addison County, Vermont)
Built 1824
Lattice through truss bridge over Muddy Branch of the New Haven River
Open to traffic

Hays Bridge (Franklin County, Pennsylvania)
Built 1820; rebuilt 1928; rehabilitated 1974
Stone arch bridge over West Branch Conocoheague Creek on Anderson Road
Open to traffic

Heron Branch Bridge (Franklin County, Pennsylvania)
Replaced 1940
Lost Stone arch bridge over Muddy Run on Pa 533;Sr 0533 (Orrstown Road)
Replaced by new bridge

Hibbs Bridge (Loudoun County, Virginia)
Built 1820
Stone arch bridge over Beaverdam Creek on Snickersville Road
Open to traffic

Horse Valley Bridge (Franklin County, Pennsylvania)
Built 1825; Rehab 1953, 2009
Stone arch bridge over Conodoguinet Creek on Sr 4004 (Upper Strasburg Road)
Open to traffic

Hyde Hall Covered Bridge (Otsego County, New York)
Built 1823 by George Clark
Burr arch-truss bridge over Shadow Brook on Old East Lake Road
Open to pedestrians

Indian Creek Bridge (Northampton County, Pennsylvania)
Built 1826
Stone arch bridge over Indian Creek on TR 511
Open to traffic

John S. Mosby Highway Bridge (Loudoun County, Virginia)
Built 1824; rehabilitated 2001
Stone arch bridge over Little River on John S. Mosby Highway
Open to traffic

Lloydsville Stone Arch Bridge (Belmont County, Ohio)
Built ca. 1825
Stone arch bridge over Tributary of Wheeling Creek on CR 40B (Lloydsville Street/Old National Road)
Open to traffic

Manila Road Bridge (Guernsey County, Ohio)
Built ca. 1828
Stone arch bridge over Crooked Creek on Manila Road (CR 430)
Open to traffic

McClay's West Twin Bridge (Franklin County, Pennsylvania)
Built 1827 by Silas Harry
Stone arch bridge over Conodoguinet Creek on PA 4018
Open to traffic

McClays East Twin Bridge (Franklin County, Pennsylvania)
Built 1827 by Silas Harry
Stone arch bridge over a branch of Conodoguinet Creek on McClays Mill Road (PA 4018)
Open to traffic

Merchant Street Bridge (Beaver County, Pennsylvania)
Built 1827; rehabilitated 2004
Concrete arch bridge over Big Sewickley Creek on Merchant Street in Ambridge
Open to traffic

Mill Pond Road Bridge (Somerset County, New Jersey)
Built 1822; rehabilitated 2000
Stone arch bridge over Pike Run on Mill Pond Road
Open to traffic

Mortonville Bridge (Chester County, Pennsylvania)
Built 1826. Reconstructed 2009.
Stone arch bridge over West Branch Brandywine Creek on Strasburg Road
Open to traffic. Reconstructed as a wider bridge, retaining the stone.

Opossum Road Bridge (Somerset County, New Jersey)
Built 1822; rehabilitated 2002
Stone arch bridge over Bedens Brook on Opossum Road
Open to traffic

Peter's Creek S Bridge (Guernsey County, Ohio)
Built 1828 on the old National Road (formerly US 40).
Stone arch bridge over Peter's Creek on the original alignment of the National Road (US 40).
Open to pedestrians

Poinsett Bridge (Greenville County, South Carolina)
Built 1820 by Joel Poinsett
Gothic stone arch bridge over Little Gap Creek on CR 42 near Tigerville
Open to pedestrians only

Quigleys Twin Bridges #1 (east) (Cumberland County, Pennsylvania)
Replaced 1948
Lost Burr arch-truss bridge over Conodoquinet Creek on 641 Grn Springs Rd
Replaced by new bridge

Quigleys Twin Bridges #1 (west) (Cumberland County, Pennsylvania)
Built in 1824 by Jacob Bishop
Lost Burr arch-truss bridge over Conodoquinet Creek on Pa 641;Sr 0641 (Newville Road)
Replaced by new bridge

Reading Road Bridge (Lehigh County, Pennsylvania)
Built 1824; rehabilitated ca. 1980
Stone arch bridge over Cedar Creek on Reading Road in Allentown
Open to traffic

Rhinehart Road Bridge (Guernsey County, Ohio)
Built ca. 1828
Stone arch "S" bridge over Salt Fork Creek on TR 175 (Rhinehart Road)
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 pedestrians

Rock Brook Bridge (Somerset County, New Jersey)
Built 1825; rehabilitated 1891
Steel stringer bridge over Rock Brook on Zion-Wertsville Road
Open to traffic

Roxbury Mills Bridge (Washington County, Maryland)
Built 1824; rehabilitated 2002
Stone arch bridge over Antietam Creek on Roxbury Road in Boonsboro
Open to traffic

Salt Fork S Bridge (Guernsey County, Ohio)
Built 1828
Stone arch S bridge on the original alignment of the National Road (US 40)
Per NPS, bridge is deteriorating and unstable.

Schreibers Bridge (Lehigh County, Pennsylvania)
Built 1828; rehabilitated ca. 1920
Stone arch bridge over Little Lehigh Creek on Lehigh Parkway East in Allentown
Open to traffic

Seymore Street Bridge (Addison County, Vermont)
Built 1820; rehabilitated 1980
Wooden arch bridge over Otter Creek on Seymore Street in Middlebury
Open to traffic

Spade Farm Covered Bridge (Addison County, Vermont)
built 1824 by Justin Miller
Lattice through truss bridge on off road
Open to pedestrians

Water Paskamansett River Bridge (Bristol County, Massachusetts)
Built 1826; rehabilitated 1936
Stone arch bridge over Water Paskamansett River on Hwy Russells Mil
Open to traffic

West King Street Bridge (Franklin County, Pennsylvania)
Built 1828; rehabilitated 1907 (sidewalk extended to widen the bridge)
Stone arch bridge over Conococheague Creek on West King Street in Chambersburg
Open to traffic