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

| Name_ | Built | Listed | Location_ | County |
|---|---|---|---|---|
| Howard Street Tunnel | 1890, 1895 | 1973-07-02 | Baltimore | Baltimore City |
| Jericho Covered Bridge | 1865, 1937 | 1978-09-13 | Jerusalem , Kingsville | Baltimore , Harford |
| LeGore Bridge | 1898-1900 | 1978-09-18 | Woodsboro | Frederick |
| Lombard Street Bridge | 1877, 1974 | 1972-09-27 | Baltimore | Baltimore City |
| Loys Station Covered Bridge | ca.1860 | 1978-06-23 | Thurmont | Frederick |
| Old Mill Road Bridge | 1882 | 1979-03-07 | Rocky Ridge | Frederick |
| Patterson Viaduct Ruins | 1829 | 1976-06-03 | Catonsville , Ilchester | Baltimore , Howard |
| Poffenberger Road Bridge | 1878 | 1978-11-29 | Middletown | Frederick |
| Roddy Road Covered Bridge | ca.1860 | 1978-06-23 | Thurmont | Frederick |
| Thomas Viaduct, Baltimore & Ohio Railroad | 1835 | 1966-10-15 | Relay | Baltimore , Howard |
| Union Arch Bridge (Cabin John Aqueduct) | 1864 | 1973-02-28 | Cabin John | Mongtomery |
| Utica Covered Bridge | ca.1860 | 1978-06-23 | Thurmont | Frederick |