| Md 26 over Liberty Reservoir | Poor | 1719.2 ft | 20,192 | 1954 |
| Stone Chapel Road over Little Pipe Creek | Poor | 28.9 ft | 4,612 | 1930 |
| Upper Beckleysvill over Murphy Run | Poor | 24.6 ft | 1,745 | 1960 |
| Brown Road over Roaring Run | Poor | 36.1 ft | 395 | 1985 |
| Mummaford Road over Monocacy River | Poor | 229.0 ft | 268 | 1911 |
| Mckinstry Mill RD over Little Pipe Creek | Poor | 39.4 ft | 234 | 1900 |
| Old Kays Mill Road over Beaver Run | Poor | 45.9 ft | 209 | 1974 |
| Patapsco Road over East Br Patapsco River | Poor | 40.4 ft | 171 | 1900 |
| Hughes Shop Road over Bear Branch | Poor | 55.1 ft | 152 | 1974 |
| Mckinstrys Mill RD over Sams Creek | Poor | 38.1 ft | 119 | 1972 |
| Is 70 EB over Md 27 | Fair | 277.9 ft | 65,550 | 1974 |
| Is 70 WB over Md 27 | Fair | 277.9 ft | 65,550 | 1974 |
| Md 32 over Piney Run | Fair | 42.3 ft | 26,590 | 1957 |
| Md 26 over Md 97 | Fair | 119.1 ft | 25,970 | 1962 |
| Md 26 over Liberty Reservoir | Fair | 984.9 ft | 20,192 | 1954 |
| Md 27 over Maryland Midland Rr | Fair | 60.0 ft | 18,790 | 1959 |
| Md 27 over West Branch Patapsco Riv | Fair | 25.3 ft | 18,790 | 1959 |
| Md 27 over Cranberry Branch | Fair | 31.8 ft | 18,790 | 1959 |
| Md 140 over Meadow Branch | Fair | 29.2 ft | 17,390 | 1952 |
| Md 97 over Big Pipe Creek | Fair | 78.7 ft | 15,340 | 1934 |
| Md 97 over Morgan Run | Fair | 119.1 ft | 15,140 | 1959 |
| Md 27 over Morgan Run | Fair | 39.0 ft | 14,091 | 1922 |
| Md 32 over Liberty Reservoir | Fair | 582.0 ft | 14,020 | 1952 |
| Md 140 over Richardson RD | Fair | 94.2 ft | 13,070 | 1963 |
| Md 140 over Bear Branch | Fair | 38.4 ft | 13,070 | 1964 |
| Md 140 over Big Pipe Creek | Fair | 122.0 ft | 13,070 | 1964 |
| Sr6 (buttercup Roa over Piney Run | Fair | 34.1 ft | 12,400 | 1927 |
| Marriottsville RD over Piney Run | Fair | 77.1 ft | 12,255 | 1977 |
| Md 91 over Beaver Run | Fair | 33.5 ft | 11,260 | 1967 |
| Md 27 over Maryland Midland Rr | Fair | 118.1 ft | 10,690 | 1991 |
| Md 27 over Little Pipe Creek | Fair | 20.3 ft | 10,690 | 1991 |
| Md 91 over Middle Run | Fair | 24.9 ft | 10,670 | 1964 |
| Md 482 over Csx Transportation | Fair | 106.0 ft | 10,440 | 1982 |
| Md 97 over Silver Run | Fair | 59.1 ft | 10,250 | 1987 |
| Md 97 over Piney Run | Fair | 50.9 ft | 10,080 | 1979 |
| Md 30 over Shiloh Road | Fair | 68.9 ft | 9,200 | 2007 |
| Md 97 over South Branch Patapsco Ri | Fair | 113.8 ft | 8,770 | 1973 |
| Md 97 over Piney Branch | Fair | 35.1 ft | 8,770 | 1982 |
| Md 482 over East Branch Patapsco Riv | Fair | 34.1 ft | 8,212 | 1936 |
| Woodbine Road over South Branch Patapsco Ri | Fair | 113.8 ft | 8,182 | 1976 |
| Green Street over Md Midland Railway | Fair | 38.1 ft | 7,436 | 1923 |
| Md 31 over Little Pipe Creek | Fair | 29.9 ft | 7,321 | 1963 |
| Md 91 over North Branch Patapsco Ri | Fair | 174.9 ft | 5,640 | 1965 |
| Md 91 over Maryland Midland Rr | Fair | 137.1 ft | 5,640 | 1965 |
| Md 31 over Turkeyfoot Run | Fair | 24.9 ft | 5,321 | 1963 |
| Md 194 over Piney Creek | Fair | 89.9 ft | 4,982 | 1958 |
| Md 31 over Dickerson Run | Fair | 32.2 ft | 4,861 | 1924 |
| Twin Arch Road over South Br Patapsco River | Fair | 53.1 ft | 4,137 | 1987 |
| Bartholow Road over Little Morgan Run | Fair | 40.0 ft | 4,061 | 1968 |
| Md 75 over Little Pipe Creek | Fair | 40.0 ft | 4,051 | 1922 |
| Md 496 over Br Of Big Pipe Creek | Fair | 22.0 ft | 4,042 | 1931 |
| Md 496 over Bear Branch | Fair | 20.0 ft | 4,042 | 1931 |
| Oklahoma Road over Snowden Run | Fair | 46.3 ft | 3,466 | 1971 |
| Md 86 over Br Of Gunpowder Falls | Fair | 58.1 ft | 3,442 | 1972 |
| Brangels Road over Piney Run | Fair | 84.0 ft | 3,125 | 1974 |
| Harney Road over Piney Creek | Fair | 103.0 ft | 2,818 | 1958 |
| Coon Club Road over East Branch Patapsco Riv | Fair | 80.1 ft | 2,650 | 1964 |
| Md 31 over Sams Creek | Fair | 43.0 ft | 2,611 | 1921 |
| Trevanion Road over Big Pipe Creek | Fair | 183.4 ft | 2,569 | 1966 |
| Md 75 over Abandon Mill Run | Fair | 21.0 ft | 2,172 | 1982 |
| Md 75 over Sams Creek | Fair | 84.0 ft | 2,151 | 1972 |
| Md 854b over Morgan Run | Fair | 35.1 ft | 1,970 | 1983 |
| Harney Road over Alloway Creek | Fair | 64.0 ft | 1,911 | 1919 |
| Klees Mill Road over Morgan Run | Fair | 63.3 ft | 1,754 | 1988 |
| Md 84 over Roop Branch | Fair | 20.3 ft | 1,702 | 1948 |
| Kays Mill Road over Beaver Run | Fair | 205.1 ft | 1,671 | 1978 |
| Md 832 over Big Pipe Creek | Fair | 130.9 ft | 1,662 | 1929 |
| Md 832 over Bear Branch | Fair | 29.9 ft | 1,662 | 1932 |
| Eden Mill Road over Tuckers Branch | Fair | 32.2 ft | 1,535 | 1969 |
| Shiloh Road over East Branch Patapsco Riv | Fair | 68.9 ft | 1,327 | 1969 |
| Tyrone Road over Bear Branch | Fair | 37.7 ft | 1,322 | 1960 |
| Green Mill Road over Beaver Run | Fair | 60.0 ft | 1,291 | 1976 |
| Gaither Road over Unnamed Stream | Fair | 20.0 ft | 1,282 | 1989 |
| Gaither Road over South Branch Patapsco Ri | Fair | 61.0 ft | 1,282 | 1978 |
| Otterdale Mill Roa over Big Pipe Creek | Fair | 97.4 ft | 1,268 | 1930 |
| Md 852g over Cranberry Branch | Fair | 44.3 ft | 1,150 | 1985 |
| Rinehart Road over Big Pipe Creek | Fair | 56.1 ft | 1,115 | 1961 |
| Traceys Mill Road over South Br Gunpowder Falls | Fair | 51.5 ft | 1,104 | 1978 |
| Md 852h over West Branch Patapsco Riv | Fair | 22.0 ft | 999 | 1911 |
| Md 850c over Talbot Branch | Fair | 23.0 ft | 999 | 1931 |
| Louisville Road over Middle Run | Fair | 64.3 ft | 988 | 1974 |
| Salem Bottom Road over Morgan Run | Fair | 45.9 ft | 982 | 1964 |
| Deep Run Road over Deep Run | Fair | 43.6 ft | 942 | 1978 |
| Watersville Road over South Branch Of Patapsco | Fair | 45.9 ft | 938 | 1976 |
| Sams Creek Road over Sams Creek | Fair | 36.7 ft | 906 | 1989 |
| Slacks Road over Tributary Of Piney Run | Fair | 36.1 ft | 905 | 1975 |
| Slacks Road over Piney Run | Fair | 75.1 ft | 905 | 1975 |
| Linton Road over Little Morgan Run | Fair | 45.9 ft | 867 | 1980 |
| Md 77 over Big Pipe Creek | Fair | 198.2 ft | 841 | 1977 |
| Wesley Road over North Branch Of Patapsco | Fair | 151.2 ft | 824 | 1975 |
| London Bridge Road over Morgan Run | Fair | 63.0 ft | 787 | 1956 |
| Halter Road over Bear Branch | Fair | 24.9 ft | 775 | 1981 |
| Mayberry Road over Big Pipe Creek | Fair | 110.6 ft | 762 | 1987 |
| Niner Road over South Branch Middle Run | Fair | 28.9 ft | 756 | 1974 |
| Hoffman Mill Road over East Branch Patapsco Riv | Fair | 32.2 ft | 751 | 1991 |
| Flag Marsh Road over South Br Patapsco River | Fair | 43.0 ft | 747 | 1988 |
| Carrollton Road over Deep Run | Fair | 31.2 ft | 709 | 1960 |
| Patapsco Road over West Br Patapsco River | Fair | 138.1 ft | 706 | 1980 |
| Schalk Road No. 1 over Gunpowder Falls | Fair | 82.0 ft | 699 | 1980 |
| Buckhorn Road over Buckhorn Run | Fair | 32.2 ft | 694 | 1952 |
| Frizzellburg Road over Meadow Branch | Fair | 46.9 ft | 679 | 1966 |
| Basehores Mill RD over Big Pipe Creek | Fair | 74.1 ft | 669 | 1981 |
| Halter Road over Big Pipe Creek | Fair | 120.4 ft | 669 | 1966 |
| Crouse Mill Road over Big Pipe Creek | Fair | 177.2 ft | 668 | 1976 |
| Grave Run Road over Gunpowder Falls | Fair | 36.1 ft | 660 | 1970 |
| Carrollton Road over East Branch Patapsco Riv | Fair | 33.1 ft | 590 | 1972 |
| Runkles Road over Middle Run | Fair | 27.9 ft | 589 | 1966 |
| Bloom Road over Morgan Run | Fair | 42.7 ft | 520 | 1980 |
| Snowden Run Road over Snowden Run | Fair | 22.0 ft | 503 | 1974 |
| Silver Run Valley over Big Silver Run | Fair | 31.2 ft | 480 | 1900 |
| Morgan Road over South Branch Patapsco Ri | Fair | 101.4 ft | 470 | 1976 |
| Springdale RD over Little Pipe Creek | Fair | 46.3 ft | 457 | 1900 |
| Stone Road over Big Pipe Creek | Fair | 96.1 ft | 448 | 1984 |
| Hoffman Mill Road over Aspen Run | Fair | 30.5 ft | 419 | 1999 |
| Baker Road over Branch Of Morgan Run | Fair | 25.9 ft | 408 | 1974 |
| Md 852 over Little Pipe Creek | Fair | 58.1 ft | 400 | 1900 |
| John Hyde Road over Turkeyfoot Run | Fair | 31.2 ft | 362 | 1978 |
| Arnold Road over Beaver Run | Fair | 41.0 ft | 348 | 1974 |
| Hughes Road over Beaver Run | Fair | 49.9 ft | 330 | 1976 |
| Fringer Road over Piney Creek | Fair | 45.9 ft | 326 | 1930 |
| John Hyde Road over Little Pipe Creek | Fair | 36.4 ft | 320 | 1900 |
| Roop Road over Piney Creek | Fair | 64.0 ft | 317 | 1912 |
| Grimville Road over Gillis Falls | Fair | 66.9 ft | 280 | 1981 |
| Baptist Road over Alloway Creek | Fair | 63.0 ft | 269 | 1911 |
| Baptist Road over Alloway Creek | Fair | 43.6 ft | 269 | 1940 |
| Keysville-frederic over Monocacy River | Fair | 191.9 ft | 260 | 1900 |
| Arters Mill Road over Big Pipe Creek | Fair | 53.8 ft | 247 | 1982 |
| Teeter Road over Piney Creek | Fair | 50.9 ft | 236 | 1910 |
| Bowers Road over Alloway Creek | Fair | 105.0 ft | 212 | 1988 |
| North Tannery Road over West Br Patapsco River | Fair | 66.9 ft | 200 | 1974 |
| Clear View Road over Meadow Branch | Fair | 32.5 ft | 192 | 1984 |
| Flickinger Road over Big Pipe Creek | Fair | 38.4 ft | 180 | 1940 |
| Tank Road over North Br Patapsco River | Fair | 89.6 ft | 174 | 1974 |
| Eckard Road over Big Pipe Creek | Fair | 20.3 ft | 174 | 1984 |
| Rohrbaugh Road over Grave Run | Fair | 25.3 ft | 148 | 1976 |
| Berberi Road over Tributary To North Branc | Fair | 41.3 ft | 140 | 2005 |
| Babylon Road over Silver Run | Fair | 33.1 ft | 117 | 1960 |
| Hapes Mill Road over Big Pipe Creek | Fair | 126.0 ft | 102 | 1974 |
| Baumgardner Road over Piney Creek | Fair | 66.9 ft | 99 | 1982 |
| Twin Arch Road over South Br Patapsco River | Fair | 25.6 ft | 98 | 1900 |
| York Road No 1 over South Branch Gunpowder F | Fair | 41.0 ft | 88 | 1940 |
| Adams Mill Road over Little Pipe Creek | Fair | 128.3 ft | 75 | 1974 |
| Starners Dam Road over Monocacy River | Fair | 203.1 ft | 36 | 1918 |
| Naylors Mill Road over Big Pipe Creek | Fair | 109.9 ft | 24 | 1947 |
| Pearre Road over Sams Creek | Fair | 67.6 ft | 23 | 1908 |
| Baumgardner Road over Piney Creek | Fair | 65.9 ft | 0 | 1925 |
| Md 140 WB & Ramp B over Md 97 | Good | 122.0 ft | 47,060 | 2006 |
| Md 140 EB over Md 97 | Good | 122.0 ft | 47,060 | 2006 |
| Md 140 over Md Mid Rr Md27 West Br | Good | 305.1 ft | 45,521 | 2006 |
| Marriottsville RD over South Br Patapsco River | Good | 139.8 ft | 12,255 | 1986 |
| Md 30 over Trib To East Branch | Good | 123.0 ft | 9,450 | 2007 |
| Md 30 over Indian Run | Good | 75.1 ft | 9,200 | 2007 |
| Md 97 over Tuckers Branch | Good | 65.9 ft | 8,770 | 1976 |
| Gorsuch Road over West Branch Patapsco Riv | Good | 66.9 ft | 7,307 | 1968 |
| Md 194 over Branch Of Piney Creek | Good | 23.0 ft | 5,732 | 1974 |
| Md 194 over Branch Of Piney Creek | Good | 24.9 ft | 5,732 | 1974 |
| Md 140 over Piney Creek | Good | 98.1 ft | 5,340 | 1997 |
| Md 194 over Big Pipe Creek | Good | 190.0 ft | 5,152 | 2005 |
| Houcksville Road over Md 30 | Good | 116.1 ft | 4,844 | 2007 |
| Houcksville Road over Csx Railroad | Good | 44.0 ft | 4,741 | 2002 |
| Md 86 over South Br Gunpowder Falls | Good | 113.8 ft | 4,337 | 2020 |
| White Rock Road over Piney Run | Good | 40.0 ft | 4,226 | 2017 |
| Md 496 over Big Pipe Creek | Good | 58.1 ft | 3,975 | 2018 |
| Md 75 over Little Pipe Creek | Good | 121.1 ft | 3,821 | 1960 |
| Access Road over Georges Run | Good | 65.0 ft | 3,415 | 2009 |
| Bollinger Road over Beaver Run | Good | 53.8 ft | 2,328 | 2012 |
| Bollinger Road over North Middle Run | Good | 31.2 ft | 1,836 | 1974 |
| Carrollton Road over West Branch Patapsco Riv | Good | 166.3 ft | 1,697 | 1978 |
| Lawndale Road over North Branch Patapsco Ri | Good | 95.1 ft | 1,582 | 1995 |
| Cape Horn Road Nor over Unnamed Stream | Good | 20.3 ft | 1,457 | 2019 |
| Bucher John Road over Little Pipe Creek | Good | 41.0 ft | 1,159 | 1960 |
| Old New Windsor RD over Dickenson Run | Good | 28.9 ft | 1,058 | 1987 |
| Union Bridge Road over Cherry Branch | Good | 28.9 ft | 1,034 | 1990 |
| Md 84 over Meadow Branch | Good | 56.1 ft | 922 | 2003 |
| Gillis Road over Gillis Falls | Good | 61.0 ft | 828 | 1975 |
| Chandler Drive over Beaver Run | Good | 69.9 ft | 825 | 1998 |
| Freter Road over Piney Run | Good | 20.0 ft | 806 | 2004 |
| Mayberry Road over Bear Branch | Good | 48.6 ft | 762 | 1985 |
| Hoffman Mill Road over Tributary East Of Branch | Good | 27.9 ft | 750 | 1974 |
| Good Intent Road over Little Pipe Creek | Good | 184.1 ft | 748 | 1977 |
| Greenmount Church over Murphy Run | Good | 36.1 ft | 705 | 2010 |
| Bixler Church Road over Tributary To Big Pipe CR | Good | 21.0 ft | 694 | 1973 |
| Bixler Church Road over Ohio Branch | Good | 21.0 ft | 675 | 1974 |
| Md 854a over Little Morgan Run | Good | 49.9 ft | 647 | 1976 |
| Stone Road over Silver Run | Good | 36.1 ft | 626 | 1979 |
| Shepherds Mill RD over Little Pipe Creek | Good | 108.3 ft | 613 | 2023 |
| Bear Run Road over Bear Branch | Good | 33.8 ft | 397 | 1974 |
| Murkle Road over Big Pipe Creek | Good | 86.0 ft | 377 | 2005 |
| Sams Creek Road over Sams Creek | Good | 40.0 ft | 362 | 1986 |
| Skidmore Road over Gillis Falls | Good | 20.0 ft | 360 | 1988 |
| Mahuron Road over Unnamed Stream | Good | 50.9 ft | 320 | 2008 |
| Richardson Road over Bear Branch | Good | 29.2 ft | 312 | 1991 |
| Arrington Road over Piney Run | Good | 48.9 ft | 260 | 1958 |
| Arters Mill Road over Silver Run | Good | 34.1 ft | 245 | 1986 |
| Piney Creek Road over Alloway Creek | Good | 55.1 ft | 234 | 1900 |
| Black Rock Road over South Branch Gunpowder F | Good | 30.2 ft | 228 | 2001 |
| Kump Station Road over Silver Run | Good | 21.0 ft | 179 | 1982 |
| Winters Church RD over Little Pipe Creek | Good | 57.1 ft | 151 | 1981 |
| Emory Road over Deep Run | Good | 29.9 ft | 150 | 2000 |
| Rockland Road over Little Pipe Creek | Good | 43.3 ft | 89 | 1997 |
| Newport Road over Gillis Falls | Good | 74.5 ft | 86 | 2001 |
| Saw Mill Road over Big Pipe Creek | Good | 73.2 ft | 54 | 1974 |
| Hoover Mill Road over Big Pipe Creek | Good | 20.0 ft | 35 | 1984 |