| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| Baltimore Road Bridge | Baltimore Road over Rock Creek | Open to traffic | Closed-spandrel arch | 1911 | -- | 59.1 | 59.1 |
| Black Rock Raod Bridge | road over Seneca Creek | Open to traffic | Steel stringer | 1906 | -- | -- | -- |
| Cabin John Aqueduct Bridge | MacArthur Blvd, Washington Aqueduct over Cabin John Creek | Open to traffic | Stone arch | 1863 | -- | 220.2 | 450.2 |
| Cedar Lane Bridge | Cedar Lane over Rock Creek | Open to traffic | Beam | 1959 | -- | 42.0 | 171.9 |
| Coquelin Run Bridge | Jones Mill Road over Coquelin Run | Open to traffic | Culvert | 1949 | -- | 13.1 | 40.0 |
| CSX Germantown Bridge | CSX Railroad over Game Preserve Road | Open to traffic | Stone arch | -- | -- | -- | -- |
| East Bexhill Bridge | East Bexhill Drive over Silver Creek | Open to traffic | Steel arch | 1939 | -- | -- | -- |
| Elmhirst Parkway Bridge | Elmhirst Parkway over Rock Creek Tributary | Open to traffic | Steel arch | 1940 | -- | 20.0 | 20.0 |
| Glen Echo Park Trolley Bridge | former trolley right-of-way over Discovery Creek | Abandoned | Deck truss | ca. 1895 | -- | -- | -- |
| Glen Echo Trolley Trestle | abandoned trolley right-of-way over dry run | Abandoned | Deck plate girder | 1890 | -- | -- | -- |
| Griffith Road Bridge | Griffith Road over Hawlings River | Open to traffic | Closed-spandrel arch | 1920 | -- | 23.0 | 24.9 |
| Haviland Mill Road Bridge | Haviland Mill Road over Hawlings River | Open to traffic | Deck arch | 1900 | -- | 40.0 | 40.0 |
| Kensington Parkway Bridge | Kensington Parkway over Rock Creek | Open to traffic | Steel arch | 1910 | -- | 25.9 | 103.0 |
| Kensington Parkway Bridge | Kensington Parkway over Silver Creek | Open to traffic | Closed-spandrel arch | 1940 | -- | 20.0 | 20.0 |
| Kent Street Bridge | Kent Street over Silver Creek | Open to traffic | Steel arch | 1940 | -- | 20.0 | 20.0 |
| Montevideo Road Bridge | Montevideo Road over Dry Seneca Creek | Open to traffic | Warren pony truss | 1910 | -- | 49.9 | 50.9 |
| North Branch Rock Creek Bridge | MD 115 over North Branch of Rock Creeek | Open to traffic | Deck arch | 1917 | -- | 29.9 | 34.1 |
| Northwest Branch Bridge | US 29 over Northwest Branch | Open to traffic | Deck arch | 1920 | -- | 47.9 | 51.8 |
| Patuxent River Bridge | MD 108 over Patuxent River | Open to traffic | Closed-spandrel arch | 1928 | -- | 85.0 | 123.0 |
| Patuxent River Bridge near Scaggsville MD | Columbia Turnpike over Patuxent River | Pratt through truss | 1883 | 1954? | 82.2 | 166.5 | |
| Railraod Street Bridge | East Deer Park Dr. over CSX railroad | Open to traffic | Steel stringer | 1954 | -- | -- | -- |
| Seneca Aqueduct | C&O Canal Path over Seneca Creek | Open to pedestrians | Brick arch | 1833 | -- | -- | -- |
| Sligo Creek Bridge | MD 195 over Sligo Creek | Open to traffic | Deck arch | 1932 | -- | 89.9 | 225.1 |
| Sycamore Island Pedestrian Bridge | Pedestrian Walkway over C&O Canal | Intact but closed to all traffic | Warren through truss | -- | -- | -- | -- |
| Unused Clara Barton Parkway Overpass | Never-built ramp over Clara Barton Parkway (Northbound) | Closed to all traffic | Concrete rigid frame | 1961 | -- | 77.1 | 216.9 |
| Waring Viaduct | CSX Railroad over Seneca Creek | Stone arch | 1906 | -- | -- | -- | |
| White's Ferry | Ferry over Potomac River | Ferry | -- | -- | -- | -- | |
| White's Ferry Bridge | Bridge over C&O Canal | Abandoned | Warren pony truss | 1876 | -- | -- | -- |
| Wilson Lane Trolley Trestle | abandoned trolley right-of-way over Unnamed creek | Abandoned | Unknown | ca. 1895 | -- | -- | -- |
| Zion Road Bridge | Zion Road over Hawlings River | Open to traffic | Closed-spandrel arch | 1930 | -- | 22.0 | 22.0 |