List of bridges on the National Register of Historic Places in Maryland

This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Maryland.

Name	Image	Built	Listed	Location	County	Type
B & O Railroad Potomac River Crossing	100px	1894, 1931	1978-02-14	Harpers Ferry, West Virginia	Washington
B & O Bridge		ca. 1867	1977-11-23	Keedysville	Washington
Bennies Hill Road Bridge	100px	ca. 1889	1979-06-27	Middletown	Frederick	Bowstring arch truss
Bloomington Viaduct		1851, 1916	1976-11-21	Bloomington	Garrett	Multispan masonry bridge
Bollman Suspension and Trussed Bridge	100px	1869	1972-10-18	Savage	Howard	Bollman Truss
Bullfrog Road Bridge	Bullfrog Road Bridge	1908	1978-11-21	Taneytown	Carroll	Parker truss
Carrollton Viaduct		1828, 1829	1971-11-11	Baltimore	Baltimore City
Casselman's Bridge, National Road		1813	1966-10-15	Grantsville	Garrett	Single arch
Crum Road Bridge	100px	ca. 1880	1978-12-28	Walkersville	Frederick	Bowstring arch truss
Fourpoints Bridge		ca. 1876	1978-11-29	Emmitsburg	Frederick	Pratt truss
Gilpin's Falls Covered Bridge		ca. 1855	2008-12-03	North East	Cecil	Burr Arch Through Truss
Howard Street Tunnel		1890, 1895	1973-07-02	Baltimore	Baltimore City	Brick-lined tunnel with iron-arched centerings
Jericho Covered Bridge	100px	1865, 1937	1978-09-13	Jerusalem, Kingsville	Baltimore, Harford	Burr Arch Through Truss
LeGore Bridge	100px	1898-1900	1978-09-18	Woodsboro	Frederick	Five-span stone arch
Lombard Street Bridge		1877, 1974	1972-09-27	Baltimore	Baltimore City	Water-main truss
Loys Station Covered Bridge	100px	ca. 1860	1978-06-23	Thurmont	Frederick	Covered Multiple king post
Old Mill Road Bridge		1882	1979-03-07	Rocky Ridge	Frederick	Pratt truss
Patterson Viaduct Ruins		1829	1976-06-03	Catonsville, Ilchester	Baltimore, Howard	Masonry Arch Bridge
Poffenberger Road Bridge		1878	1978-11-29	Middletown	Frederick	Pratt or Whipple thru truss
Roddy Road Covered Bridge	Roddy Road Covered Bridge	ca. 1860	1978-06-23	Thurmont	Frederick	Covered Single king post
Thomas Viaduct, Baltimore & Ohio Railroad		1835	1966-10-15	Relay	Baltimore, Howard	Multiple stone arch
Union Arch Bridge (Cabin John Aqueduct)		1864	1973-02-28	Cabin John	Mongtomery	Masonry arch
Utica Covered Bridge		ca. 1860	1978-06-23	Thurmont	Frederick	Covered Burr arch truss
Waverly Street Bridge		1892	1984-09-07	Westernport	Allegany	bowstring arch truss
Wilson's Bridge		1819	1982-03-15	Hagerstown	Washington