| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Apples Church Road Bridge | Apples Church Road over Owens Creek | Open to traffic | Truss | 1917 | -- | -- | 65.9 ft. |
| Ballenger Creek Bridge | MD 85 over Ballenger Creek | Open to traffic | Arch | 1926 | -- | 60.0 ft. | 62.0 ft. |
| Bennies Hill Road Bridge | Bennies Hill Road over Catoctin Creek | Open to traffic | Truss | -- | -- | -- | 94.2 ft. |
| Blacks Mill Road Bridge | Blacks Mill Road over Hunting Creek | Open to traffic | Truss | 1914 | -- | -- | 69.9 ft. |
| Bullfrog Road Bridge | Bullfrog Road over Monocacy River | Open to traffic | Truss | 1908 | -- | -- | 183.1 ft. |
| Catoctin Creek Bridge | MD 17 over Catoctin Creek | Open to traffic | Through truss | 1934 | -- | 140.1 ft. | 146.0 ft. |
| Catoctin Creek Bridge | US 40 over Catoctin Creek | Open to traffic | Arch | 1936 | -- | 49.9 ft. | 71.9 ft. |
| Catoctin Creek Bridge | US 40 ALT over Catoctin Creek | Open to traffic | Arch | 1923 | -- | 85.0 ft. | 85.0 ft. |
| Catoctin Creek Bridge | MD 180 over Catoctin Creek | Open to traffic | Arch | 1928 | -- | 75.1 ft. | 233.0 ft. |
| Catoctin Creek Bridge | MD 464 over Catoctin Creek | Open to traffic | Pony truss | 1934 | -- | 102.0 ft. | 305.1 ft. |
| Church Hill Road Bridge | E. Church Hill Road over Middle Creek | Open to traffic | Truss | 1908 | -- | -- | 65.0 ft. |
| Creamery Road Bridge | Creamery Road over Toms Creek | Open to traffic | Truss | 1928 | -- | -- | 86.0 ft. |
| Crow Rock Road Bridge | Crow Rock Road over Middle Creek | Open to traffic | Truss | -- | -- | -- | 80.1 ft. |
| Dixon Road Bridge | Dixon Road over Bennett Creek | Open to traffic | Truss | 1904 | -- | -- | 44.0 ft. |
| Flat Run Bridge | US 15 BU over Flat Run | Open to traffic | Arch | 1927 | -- | 49.9 ft. | 51.8 ft. |
| Friends Creek Road Bridge | Friends Creek Road over Friends Creek | Open to traffic | Pony truss | 1910 | -- | 65.9 ft. | 65.9 ft. |
| Grimes Road Bridge | Grimes Road over Toms Creek | Open to traffic | Truss | 1914 | -- | -- | 111.9 ft. |
| Hoovers Mill Road Bridge | Hoovers Mill Road over Owens Creek | Open to traffic | Truss | 1910 | -- | -- | 68.9 ft. |
| Keysville Road Bridge | Keysville Road over Tom'S Creek | Open to traffic | Truss | -- | -- | -- | 103.0 ft. |
| LeGore Bridge | LeGore Bridge Road over Monocacy River | Open to traffic | Stone arch | 1903 | -- | 63.0 ft. | 215.9 ft. |
| Little Catoctin Creek Bridge | US 40 over Little Catoctin Creek | Open to traffic | Arch | 1936 | -- | 38.1 ft. | 66.9 ft. |
| Middle Creek Bridge | US 40 over Middle Creek | Open to traffic | Arch | 1936 | -- | 58.1 ft. | 144.0 ft. |
| Monocacy River Bridge | MD 26 over Monocacy River | Open to traffic | Through truss | 1932 | -- | 160.1 ft. | 323.2 ft. |
| Monocacy River Bridge | MD 28 over Monocacy River | Open to traffic | Through truss | 1931 | -- | 149.9 ft. | 445.9 ft. |
| Monocacy River Bridge | MD 144FA EB over Monocacy River | Open to traffic | Deck truss | 1955 | -- | 208.0 ft. | 526.9 ft. |
| Monocacy River Bridge | MD 144FA WB over Monocacy River | Open to traffic | Arch | 1942 | -- | -- | 464.9 ft. |
| Monocacy River Bridge | MD 77 over Monocacy River | Open to traffic | Through truss | 1932 | -- | 108.9 ft. | 223.1 ft. |
| Monocacy River Bridge | MD 140 over Monocacy River | Open to traffic | Arch | 1925 | -- | 56.1 ft. | 168.0 ft. |
| Monocacy River Bridge | MD 355 over Monocacy River | Open to traffic | Through truss | 1930 | -- | 153.9 ft. | 315.0 ft. |
| Old Mill Road Bridge | Old Mill Road over Owens Creek | Open to traffic | Truss | -- | -- | -- | 68.9 ft. |
| Poffenberger Road Bridge | Poffenberger Road over Catoctin Creek | Open to traffic | Truss | -- | -- | -- | 126.0 ft. |
| Potomac River Bridge | US 15 over Potomac Riv | Open to traffic | Through truss | 1939 | -- | 168.0 ft. | 1699.2 ft. |
| Reichs Ford Road Bridge | Reichs Ford Road over Bush Creek | Open to traffic | Truss | 1911 | -- | -- | 51.8 ft. |
| Simpsons Mill Road Bridge | Simpsons Mill Road over Little Pipe Creek | Open to traffic | Truss | -- | -- | -- | 89.9 ft. |
| Sixes Bridge Road Bridge | Sixes Bridge Road over Monocacy River | Open to traffic | Truss | 1910 | -- | -- | 240.2 ft. |
| St. Marks Road Bridge | St. Marks Road over Broad Run | Open to traffic | Truss | -- | -- | -- | 73.2 ft. |
| Station Road Bridge | Station Road over Catoctin Creek | Open to traffic | Truss | 1920 | -- | -- | 62.0 ft. |
| Stevens Road Bridge | Stevens Road over Hunting Creek | Open to traffic | Truss | -- | -- | -- | 97.1 ft. |
| Sumantown Road Bridge | Sumantown Road over Catoctin Creek | Open to traffic | Truss | 1910 | -- | -- | 101.1 ft. |
| Toms Creek Bridge | US 15 BU over Toms Creek | Open to traffic | Arch | 1923 | -- | 80.1 ft. | 83.0 ft. |