| Is 270 over MD 85 (Buckeystown Pike) | 2020 | 111,550 | Good |
| US 15 & Ramp 8 over Carroll Creek | 1958 | 95,190 | Fair |
| US 15 Nbr over US 40/W. Patrick Street | 1958 | 95,190 | Fair |
| US 15 Sbr over US 40/W. Patrick Street | 1958 | 95,190 | Fair |
| Is 70 Ebr over Md 180 | 1968 | 94,760 | Fair |
| Is 70 Wbr over Md 180 | 1968 | 94,760 | Fair |
| Is 70 Wbr over US 40 Ebr(ramp 5) | 2002 | 94,760 | Good |
| US 15 Nbr over Rosemont Ave | 1958 | 93,930 | Fair |
| US 15 Sbr over Rosemont Ave | 1968 | 93,930 | Fair |
| Is 70 Ebr over US 15 | 1968 | 89,580 | Fair |
| Is 70 Wbr over US 15 | 1968 | 89,580 | Fair |
| Is 270 NB over Bennett Creek | 1950 | 88,192 | Fair |
| Is 270 SB over Bennett Creek | 1950 | 88,192 | Fair |
| Is 270 over Dr Perry Rd | 2010 | 87,230 | Good |
| Is 270 over Branch of Bennett Creek | 1951 | 86,751 | Fair |
| Is 70 Ebr & Ramp L over Is 270 | 1955 | 83,731 | Fair |
| Is 70 Wbr over Is 270 | 1968 | 83,731 | Good |
| Is 70 Ebr over Monument Road | 1968 | 83,710 | Fair |
| Is 70 Wbr over Monument Road | 1968 | 83,710 | Fair |
| US 15 Nbr over West Seventh St | 1958 | 83,230 | Fair |
| US 15 Sbr over West Seventh St | 1968 | 83,230 | Fair |
| Is 270 NB over Md 80 | 1950 | 81,890 | Fair |
| Is 270 SB over Md 80 | 1950 | 81,890 | Fair |
| Is 270 NB over Baker Valley Rd | 1950 | 80,340 | Fair |
| Is 270 SB over Baker Valley Rd | 1950 | 80,340 | Fair |
| Is 270 over CSX Transportation | 1950 | 80,340 | Fair |
| Is 270 over Monocacy River | 1950 | 80,340 | Fair |
| Is 70 Ebr over Is 70 Ramp A | 1968 | 78,360 | Fair |
| Is 70 Wbr over Is 70 Ramp A | 1968 | 78,360 | Fair |
| Is 70 EB over CSX Trans. | 1954 | 77,985 | Fair |
| Is 70 WB over CSX Trans. | 1954 | 77,985 | Fair |
| Is 70 Ebr over US 40AL | 1967 | 74,920 | Fair |
| Is 70 Wbr over US 40 Alt | 1967 | 74,920 | Fair |
| Is 70 Ebr over Monocacy River | 1985 | 72,900 | Good |
| Is 70 Wbr over Monocacy River | 1985 | 72,900 | Good |
| Is 70 Ebr over Mt Tabor Road | 1968 | 71,007 | Fair |
| Is 70 Wbr over Mt Tabor Road | 1968 | 71,007 | Fair |
| Is 70 over Grindstone Run | 1968 | 70,011 | Fair |
| Is 70 Ebr over Harmony Rd Little Catoc | 1968 | 69,153 | Fair |
| Is 70 Wbr over Harmony Rd Little Catoc | 1968 | 69,153 | Fair |
| Is 70 Ebr over Bill Moxely Road | 1974 | 69,020 | Fair |
| Is 70 Wbr over Bill Moxely Road | 1974 | 69,020 | Fair |
| Is 70 over Bush Creek | 1954 | 69,020 | Fair |
| Is 70 Ebr over Is 70 Ramp E | 1969 | 68,800 | Fair |
| Is 70 Wbr over Is 70 Ramp E | 1969 | 68,800 | Fair |
| Is 70 Ebr over CSX Trans and South Stre | 2013 | 68,623 | Good |
| Is 70 Wbr over CSX Trans and South St | 2013 | 68,623 | Good |
| Is 70 Ebr over Catoctin Creek | 1968 | 68,230 | Fair |
| Is 70 Ebr over Hollow Road | 1968 | 68,230 | Fair |
| Is 70 WB over Catoctin Creek | 1968 | 68,230 | Fair |
| Is 70 Wbr over Hollow Road | 1968 | 68,230 | Fair |
| Is 70 over Long Branch | 1985 | 62,311 | Fair |
| Is 70 Ebr over Old National Pike | 1985 | 59,922 | Fair |
| Is 70 Ebr over Spring Ridge Pkwy | 1985 | 59,922 | Good |
| Is 70 Wbr over Old National Pike | 1985 | 59,922 | Fair |
| Is 70 Wbr over Spring Ridge Pkwy | 1985 | 59,922 | Good |
| US 15/340 over Ballenger Creek | 1968 | 53,991 | Fair |
| US 40 over Branch of Rock Creek | 1947 | 47,332 | Fair |
| US 15B over US 15/US 40 | 1955 | 45,900 | Good |
| US 15 Nbr over Tuscarora Creek | 1972 | 45,700 | Good |
| US 15 SB over Tuscarora Creek | 1950 | 45,700 | Good |
| US 15 Nbr over Fishing Creek | 1972 | 43,080 | Fair |
| US 15 Sbr over Fishing Creek | 1961 | 43,080 | Fair |
| US 15 Nbr over Md 26 | 2018 | 42,640 | Good |
| US 15 Sbr over Md 26 | 1968 | 42,640 | Fair |
| Md 85 over Is 70 | 2009 | 35,962 | Good |
| US 340 Ebr over US 15 Sbr | 1966 | 32,282 | Fair |
| US 15 Nbr over Md 15C | 1985 | 30,800 | Good |
| US 15 Sbr over Md 15C | 1985 | 30,800 | Good |
| US 15 over Little Hunting Creek | 1962 | 30,800 | Fair |
| US 15 Nbr over Md 77 Hunting Creek | 1957 | 30,410 | Fair |
| US 15 Sbr over Md 77 Hunting Creek | 1985 | 30,410 | Fair |
| US 340 over Catoctin Creek | 1961 | 28,982 | Fair |
| US 15 over Maryland Midland RR | 1957 | 28,321 | Fair |
| Md 180 Eastbound over US 15 | 2020 | 27,750 | Good |
| Md 180 Westbound over US 15 | 1968 | 27,750 | Fair |
| US 15 Nbr over Little Owens Creek | 1982 | 27,210 | Fair |
| US 15 Nbr over Md 550 | 1972 | 27,210 | Fair |
| US 15 Sbr over Md 550 | 1982 | 27,210 | Fair |
| US 15 over Owens Creek | 1954 | 27,210 | Fair |
| US 340 over Little Catoctin Creek | 1964 | 24,600 | Fair |
| US 340 Ebr over Md 180 Wbr | 1964 | 23,492 | Fair |
| US 340 Ebr over S Mountain Road | 1964 | 23,492 | Fair |
| US 340 Wbr over S Mountain Road | 1964 | 23,492 | Fair |
| US 40 Wbr over Rock Creek | 1936 | 20,782 | Fair |
| US 15 over Potomac River CSX C&o | 1939 | 20,473 | Fair |
| Baughmans Lane over Carroll Creek | 1961 | 20,388 | Fair |
| Baughmans Lane over Rock Creek | 1970 | 20,388 | Poor |
| New Design Road over Ballenger Creek | 1998 | 19,907 | Good |
| Md 355 over Is 70 | 2008 | 19,242 | Good |
| US 15 Nbr over Flat Run | 1981 | 18,340 | Good |
| US 15 Nbr over Toms Creek | 1980 | 18,340 | Fair |
| US 15 SB over Flat Run | 1965 | 18,340 | Fair |
| US 15 SB over Toms Creek | 1965 | 18,340 | Fair |
| Md 85 over Ballenger Creek | 1926 | 17,450 | Fair |
| New Design Road over Is 70 | 2002 | 17,294 | Good |
| New Design Road over Arundel Branch | 1998 | 17,000 | Good |
| New Design Road over Is 270 | 2001 | 16,733 | Good |
| Monocacy Boulevard over Carroll Creek | 2012 | 16,392 | Good |
| Md 26 over Monocacy River | 1932 | 16,296 | Fair |
| Md 26 over Monocacy River | 1997 | 16,275 | Fair |
| East Street over Carroll Creek | 1999 | 15,334 | Fair |
| Ballenger Creek Pi over Pike Branch | 2003 | 14,501 | Good |
| US 15 SB over Little Owens Creek | 1954 | 14,250 | Fair |
| Is 270 Ramps J & F over New Design Road | 2002 | 14,067 | Good |
| Is 270 Wbr(ramp 1) over Is 70 Ebr | 1967 | 14,067 | Fair |
| Md 144FA over Monocacy River | 1955 | 13,861 | Fair |
| Is 70 Ramp A & E over US 15/US 340 | 1968 | 13,542 | Fair |
| Md 144FA & Co Rd over Long Branch | 1954 | 13,511 | Fair |
| Gas House Pike over Linganore Creek | 2021 | 13,056 | Good |
| Gas House Pike over Linganore Creek | 2021 | 13,056 | Good |
| Is 70 Ramp A over Md 180 | 1968 | 12,984 | Fair |
| I 70 Ramp B (4) over Md 180 | 1996 | 12,602 | Fair |
| Md 355 over Monocacy River | 1930 | 12,583 | Fair |
| Md 144FA over Is 70 | 1984 | 11,771 | Fair |
| Willowdale Drive over Rock Creek | 1976 | 11,232 | Fair |
| Md 75 over Bens Branch | 1964 | 10,783 | Fair |
| Thomas Johnson Dri over Two Mile Run | 1981 | 10,567 | Fair |
| S. Carroll Street over Carroll Creek | 1991 | 10,130 | Fair |
| Md 26 over Israel Creek | 2000 | 10,092 | Good |
| NORTH McCAIN DRIVE over Rock Creek | 1996 | 9,790 | Fair |
| Md 75 over Is 70 | 1973 | 9,752 | Fair |
| Crestwood Blvd over Arundel Branch | 1990 | 9,500 | Good |
| Md 355 over Bennett Creek | 2022 | 9,500 | Good |
| Monocacy Boulevard over Monocacy River | 1966 | 9,462 | Fair |
| Frederick Road over Hunting Creek | 1928 | 9,402 | Poor |
| Monocacy Boulevard over Monocacy River | 2000 | 9,321 | Good |
| Monocacy Boulevard over Monocacy River | 2019 | 9,321 | Good |
| Monocacy Boulevard over Park Branch | 2018 | 9,321 | Good |
| US 40 Alt over Catoctin Creek | 1923 | 9,212 | Fair |
| Md 28 over Monocacy River | 1931 | 9,175 | Fair |
| Md 140 over Flat Run | 2019 | 9,011 | Good |
| Md 140 over US 15 | 1971 | 9,010 | Fair |
| South Market Stree over Carroll Creek | 1988 | 8,900 | Fair |
| Md 144FA over Carroll Creek | 1995 | 8,541 | Good |
| S. Court Street over Carroll Creek | 1988 | 8,370 | Fair |
| Corporate Drive over King Branch | 1992 | 8,118 | Good |
| Md 75 over Bennett Creek | 1974 | 7,952 | Fair |
| Md 75 over Fahrney Branch | 1933 | 7,952 | Fair |
| Md 75 over Pleasant Branch | 1930 | 7,952 | Fair |
| Md 17 over Is 70 | 1968 | 7,931 | Fair |
| Md 550 over Friends Creek | 1981 | 7,861 | Fair |
| Md 17 over Catoctin Creek | 1989 | 7,835 | Good |
| US 15 Bu over Toms Creek | 1923 | 7,680 | Fair |
| US 40 Ebr over Is 70 Ramp F (02) | 1969 | 7,362 | Good |
| N. Bentz Street over Carroll Creek | 1992 | 7,250 | Fair |
| Md 550 over Owens Creek | 1996 | 7,221 | Good |
| Old Camp Road over Rock Creek | 1976 | 7,210 | Fair |
| Montevue Lane over Carroll Creek | 1995 | 6,880 | Fair |
| Montevue Lane over Tributary 96 | 1995 | 6,880 | Good |
| Md 144FA over Carroll Creek | 1994 | 6,869 | Good |
| Shookstown Road over Carroll Creek | 1911 | 6,750 | Poor |
| Md 85 over Rocky Fountain Run | 1929 | 6,713 | Fair |
| Md 75 over Bush Creek | 1972 | 6,492 | Fair |
| Biggs Ford Road over Monocacy River | 1970 | 6,393 | Fair |
| Executive Way over Ballenger Creek | 2007 | 6,345 | Good |
| Yellow Springs Roa over Little Tuscarora Creek | 1930 | 6,340 | Fair |
| Hayward Road over Opossum Branch | 1990 | 6,312 | Fair |
| Corporate Drive over Arundel Branch | 1990 | 6,273 | Good |
| Md 28 over Br of Potomac River | 1937 | 6,272 | Fair |
| Md 28 over Washington Run | 2008 | 6,272 | Fair |
| Md 17 over CSX Trans. Potomac Mun | 1953 | 6,073 | Fair |
| Motter Ave over US 15 | 2014 | 6,041 | Good |
| Corporate Drive over Pike Branch | 1993 | 5,986 | Good |
| Corporate Drive over Pike Branch | 1993 | 5,986 | Good |
| Waverly Drive over Rock Creek | 1971 | 5,943 | Fair |
| Highland Street over Carroll Creek | 1988 | 5,850 | Fair |
| Mount Phillip Road over Branch of Rock Creek | 1980 | 5,847 | Fair |
| Monocacy Boulevard over US 15 | 2018 | 5,800 | Good |
| Boyers Mill Road over Lake Linganore | 2017 | 5,776 | Good |
| Md 140 over Monocacy River | 2013 | 5,655 | Good |
| US 40 over Little Catoctin Creek | 1936 | 5,522 | Fair |
| US 40 over Middle Creek | 1936 | 5,522 | Fair |
| US 40 over Trib to Hawbottom Branch | 1936 | 5,522 | Fair |
| Md 26 over Dollyhyde Creek | 1932 | 5,482 | Fair |
| Md 26 over Linganore Creek | 1950 | 5,482 | Fair |
| Md 17 over Catoctin Creek | 1934 | 5,450 | Fair |
| US 40 over Catoctin Creek | 1936 | 5,432 | Fair |
| Mt Zion Road over US 15/US 340 | 1968 | 5,420 | Fair |
| Spring Ridge Prkwy over Long Branch | 1991 | 5,407 | Good |
| Md 26 over Branch of Linganore Cree | 1950 | 5,272 | Fair |
| Md 26 over N Fork Linganore Creek | 1950 | 5,272 | Fair |
| Mt Phillip Road over Is 70 | 1967 | 5,102 | Fair |
| Christophers Cross over Tributary of Tuscarora C | 2004 | 4,896 | Good |
| Md 75 over Linganore Creek | 1968 | 4,752 | Fair |
| Md 180 over Catoctin Creek | 1928 | 4,580 | Fair |
| Christophers Cross over Edison Branch | 1989 | 4,532 | Fair |
| Md 140 over Middle Creek | 1932 | 4,480 | Fair |
| Md 80 over Monocacy River | 1973 | 4,472 | Fair |
| Md 180 over US 340 | 1964 | 4,460 | Fair |
| Christophers Cross over Tributary 89 | 2019 | 4,430 | Good |
| Md 194 over Little Pipe Creek | 1953 | 4,425 | Good |
| Md 464 (point of R over Little Catoctin Creek | 2020 | 4,400 | Good |
| Md 77 over Hunting Creek | 1970 | 4,351 | Fair |
| Mill Island Pkwy over Tuscarora Creek | 1996 | 4,274 | Fair |
| Walter Martz Road over Little Tuscarora Creek | 2012 | 4,173 | Fair |
| Md 464 over Catoctin Creek | 2010 | 4,040 | Good |
| Md 140 over Cattail Branch | 1987 | 4,001 | Good |
| Bartholows Road over Is 70 CSX Transportatio | 1974 | 3,994 | Fair |
| Key Parkway over Rock Creek | 1990 | 3,931 | Fair |
| Biggs Ford Road over Dublin Branch | 2004 | 3,911 | Fair |
| Md 17 over Catoctin Creek | 1928 | 3,891 | Fair |
| Md 180 over Ballenger Creek | 1925 | 3,850 | Fair |
| Md 180 over Is 70 | 1968 | 3,850 | Fair |
| Wwtp Road over Carroll Creek | 1936 | 3,813 | Fair |
| Willow Brook Road over Tuscarora Creek | 1982 | 3,811 | Good |
| Is 70 Ramp 7 over US 40 Ramp 5 | 2002 | 3,723 | Good |
| Reichs Ford Road over Monocacy River | 1973 | 3,711 | Fair |
| Md 550 over Monocacy River | 1967 | 3,691 | Fair |
| Ijamsville Road over Bush Creek | 2016 | 3,667 | Fair |
| Schifferstadt Boul over Detrick Branch | 1990 | 3,655 | Fair |
| Schifferstadt Boul over Tributary No. 8 | 1986 | 3,655 | Fair |
| W. College Terrace over Carroll Creek | 1933 | 3,615 | Fair |
| US 40 Ramp F(2) over Rock Creek | 1969 | 3,593 | Good |
| Md 550 over Dorcus Branch | 1925 | 3,541 | Fair |
| Devilbiss Bridge R over Fishing Creek | 1979 | 3,507 | Fair |
| Md 17 over Dry Run | 1981 | 3,480 | Good |
| Md 550 over Israel Creek | 2015 | 3,450 | Good |
| Old Frederick Road over Hunting Creek | 1995 | 3,445 | Fair |
| Tuscanney Drive over Edison Branch | 1998 | 3,421 | Fair |
| Holter Road over Hollow Creek | 1920 | 3,394 | Fair |
| Devilbiss Bridge R over Monocacy River | 1980 | 3,371 | Fair |
| Old Frederick Road over Fishing Creek | 1954 | 3,332 | Good |
| Mountville Road over Tuscarora Creek | 1989 | 3,284 | Good |
| Md 77 over Br of Hunting Creek | 1971 | 3,271 | Fair |
| Md 77 over Hunting Creek | 1970 | 3,271 | Fair |
| Md 28 over Tuscarora Creek | 2007 | 3,212 | Fair |
| Yeagertown Road over Local Stream | 1982 | 3,203 | Fair |
| Terra Firma Road over Long Branch | 2006 | 3,143 | Good |
| Md 77 over Owens Creek | 1932 | 3,131 | Fair |
| Crum Road over Israel Creek | 1994 | 3,121 | Fair |
| Md 17 over Little Catoctin Creek | 1920 | 3,046 | Fair |
| Linganore Road over Linganore Creek | 1976 | 2,983 | Fair |
| Old Annapolis Road over Linganore Creek | 1989 | 2,931 | Good |
| Md 17 over Middle Creek | 2024 | 2,900 | Good |
| Md 550 over Cabbage Run | 1939 | 2,785 | Fair |
| Petersville Road over Little Catoctin Creek | 1941 | 2,782 | Fair |
| Lander Road over US 340 | 1965 | 2,734 | Fair |
| Ridgefield Drive over Long Branch | 1991 | 2,707 | Good |
| Devilbiss Bridge R over Glade Creek | 1972 | 2,691 | Fair |
| Fairview Avenue over Carroll Creek | 1963 | 2,674 | Poor |
| Old Middletown Rd over Lewis Mill Branch | 1962 | 2,532 | Good |
| Kingsbrook Drive over King Branch | 1992 | 2,500 | Good |
| Dogwood Drive over Tributary No. 8 | 1986 | 2,485 | Fair |
| Md 478 over Br of Potomac River | 1926 | 2,471 | Fair |
| Md 478 over Br of Potomac River | 2019 | 2,471 | Good |
| Ballenger Creek Pi over Ballenger Creek | 2003 | 2,462 | Fair |
| Ballenger Creek Pi over Stormwater Channel Relie | 2012 | 2,462 | Good |
| Gas House Pike over Bens Branch | 1982 | 2,353 | Good |
| Lynn Burke Road over Church Branch | 1965 | 2,175 | Poor |
| Coppermine Road over Israel Creek | 1966 | 2,172 | Good |
| Bel Aire Lane over Rock Creek | 1993 | 2,144 | Fair |
| Big Woods Road over Bennett Creek | 2007 | 2,120 | Good |
| New London Road over Bens Branch | 2005 | 2,079 | Good |
| Md 17 over Broad Run | 1959 | 2,061 | Fair |
| Md 17 over US 340 | 1964 | 2,061 | Fair |
| Bethel Road over Fishing Creek | 1961 | 2,050 | Fair |
| Legore Bridge Road over Monocacy River | 1903 | 2,045 | Fair |
| Bill Moxley Road over Bush Creek | 1973 | 2,017 | Good |
| Md 17 over Middle Creek | 1994 | 1,951 | Good |
| Md 17 over Middle Creek | 2005 | 1,951 | Good |
| Md 17 over Middle Creek | 2005 | 1,951 | Good |
| Md 17 over Middle Creek | 1889 | 1,951 | Fair |
| Md 17 over Middle Creek | 2005 | 1,951 | Good |
| Mount Phillip Road over Ballenger Creek | 1975 | 1,913 | Good |
| US 15 Bu over Flat Run | 1927 | 1,820 | Fair |
| Creamery Road over Branch of Flat Run | 1991 | 1,817 | Fair |
| Ballenger Creek Pi over Br of Tuscarora Creek | 2009 | 1,797 | Good |
| Oakdale School Roa over Tributary to Long Branch | 2001 | 1,790 | Fair |
| Opossumtown Pike over Little Tuscarora Creek | 1975 | 1,783 | Fair |
| Links Bridge Road over Monocacy River | 1980 | 1,685 | Fair |
| Wormans Mill Court over Tributary No. 10 | 1986 | 1,680 | Good |
| Milt Summers Road over Grindstone Run | 1977 | 1,657 | Fair |
| College Avenue over Carroll Creek Floodplain | 1992 | 1,652 | Fair |
| Thurston Road over Bennett Creek | 1964 | 1,632 | Fair |
| Daysville Road over Cabbage Run | 1975 | 1,619 | Good |
| Md 383 over Catoctin Creek | 1953 | 1,550 | Fair |
| Annandale Road over Toms Creek | 1980 | 1,505 | Fair |
| Westview Drive over Quarry Branch | 2004 | 1,500 | Fair |
| College Avenue over Carroll Creek | 1925 | 1,481 | Fair |
| Md 550 over Branch of Friends Creek | 2004 | 1,471 | Good |
| Stottlemyer Road over Middle Creek | 1977 | 1,456 | Fair |
| Daysville Road over Israel Creek | 1990 | 1,392 | Fair |
| Ridge Road over Is 70 | 1972 | 1,374 | Fair |
| Moser Road over Hunting Creek | 1975 | 1,372 | Good |
| Cap Stine Road over Renn Branch | 1985 | 1,359 | Good |
| Woodville Road over Woodville Branch | 1972 | 1,333 | Fair |
| Albert Staub Road over Owens Creek | 1982 | 1,323 | Fair |
| Unionville Road over Trib. of Linganore Creek | 1929 | 1,309 | Fair |
| Md 180 over Little Catoctin Creek | 1912 | 1,300 | Fair |
| Harmony Road over Little Catoctin Creek | 1999 | 1,296 | Good |
| Reels Mill Road over Bush Creek | 1975 | 1,282 | Good |
| Bill Moxley Road over Branch of Bush Creek | 1973 | 1,212 | Good |
| Md 77 over Beaver Branch | 1928 | 1,211 | Fair |
| Milt Summers Road over Trib. of Catoctin Creek | 1977 | 1,210 | Fair |
| Roddy Road over Owens Creek | 1856 | 1,170 | Good |
| Md 75 over Haines Branch | 2015 | 1,150 | Good |
| Weller Road over Church Branch | 1982 | 1,131 | Good |
| Glenbrook Drive over Hollow Creek | 2004 | 1,115 | Fair |
| Water Street Road over Israel Creek | 2006 | 1,100 | Good |
| Sugarloaf Parkway over Peter Pan Run | 2002 | 1,080 | Fair |
| Sugarloaf Parkway over Trib of Peter Pan Run | 1999 | 1,080 | Good |
| Md 806A over High Run | 1950 | 1,072 | Fair |
| Md 806A over Little Hunting Creek | 1927 | 1,072 | Fair |
| Opossumtown Pike over Big Tuscarora Creek | 1988 | 1,070 | Poor |
| Ballenger Creek Pi over Doubs Branch | 1975 | 1,065 | Fair |
| Reichs Ford Road over Bush Creek | 2020 | 1,015 | Good |
| Knolls Parkway over Pleasant Branch | 1992 | 1,000 | Good |
| Elmer Derr Road over US 15 | 1969 | 999 | Fair |
| Hessong Bridge Rd over Little Hunting Creek | 1905 | 980 | Fair |
| Old Middletown Rd over Cone Branch | 1974 | 966 | Good |
| Old Middletown Rd over Hollow Creek | 1974 | 966 | Good |
| Manor Woods Road over Tuscarora Creek | 1970 | 965 | Fair |
| Gapland Road over Broad Run | 2007 | 960 | Good |
| Provincial Parkway over Flat Run | 1991 | 953 | Fair |
| Old Hagerstown Rd over Little Catoctin Creek | 1994 | 938 | Good |
| Rocky Ridge Road ( over Monocacy River | 1932 | 937 | Fair |
| Woodville Road over South Fork Linganore Crk | 1972 | 909 | Good |
| Ball Road over Peter Pan Run | 2018 | 906 | Good |
| Md 76 over Motters Run | 2012 | 903 | Good |
| Md 76 over Maryland Midland RR | 2001 | 901 | Good |
| Woodville Road over Talbot Branch | 1961 | 890 | Fair |
| Glissans Mill Rd over South Fork Linganore Crk | 1983 | 884 | Good |
| Brethren Church Rd over Catoctin Creek | 1986 | 851 | Poor |
| Old Frederick Road over Owens Creek | 1869 | 843 | Fair |
| Hessong Bridge Rd over Hunting Creek | 1965 | 842 | Fair |
| Md 77 over Double Pipe Creek | 1989 | 841 | Good |
| Reichs Ford Road over Bush Creek | 1909 | 817 | Good |
| Harney Road over Monocacy River | 1989 | 815 | Good |
| Harney Road over Middle Creek | 1971 | 811 | Fair |
| Brunswick Street over Local Stream | 1962 | 797 | Fair |
| Quinn Road over Is 70 | 1985 | 792 | Fair |
| Old Frederick Road over Beaver Branch | 1975 | 784 | Fair |
| Hessong Bridge Rd over Fishing Creek | 1931 | 761 | Poor |
| Prices Distillery over Fahrney Branch | 1983 | 750 | Good |
| Park Mills Road over Is 270 | 1950 | 742 | Fair |
| Harbaugh Valley Ro over Branch of Friends Creek | 1985 | 713 | Fair |
| Mussetter Road over Is 70 | 1973 | 691 | Fair |
| Park Mills Road over Bennett Creek | 1965 | 674 | Fair |
| Longs Mill Road over Owens Creek | 1979 | 670 | Fair |
| Bidle Road over Catoctin Creek | 2009 | 650 | Good |
| Good Intent Road over Beaver Dam Creek | 1972 | 616 | Good |
| Lily Pons Road over Monocacy River | 1977 | 610 | Fair |
| Singleton Drive over Trib of Peter Pan Run | 1999 | 600 | Good |
| Allen Linton Blvd over Tributary of Ballenger C | 2008 | 585 | Good |
| Carriage Hill Driv over Tributary of Peter Pan R | 2004 | 580 | Good |
| Foxville Deerfield over Owens Creek | 1978 | 580 | Fair |
| Park Mills Road over Monocacy River | 1979 | 557 | Fair |
| Linganore Road over Is 70 | 1985 | 550 | Good |
| Kelbaugh Road over Owens Creek | 2001 | 533 | Good |
| Coxey Brown Road over Little Catoctin Creek | 1983 | 517 | Good |
| Stauffer Road over Israel Creek | 1998 | 517 | Good |
| Sundays Lane over Tuscarora Creek | 1978 | 505 | Fair |
| Jefferson Technolo over US Route 340/15 Intercha | 2015 | 500 | Good |
| US 15 Ramp J over Hunting Creek | 1985 | 500 | Fair |
| Unionville Road over Weldon Creek | 1929 | 493 | Fair |
| Pete Wiles Road over Little Catoctin Creek | 1973 | 485 | Good |
| Brandenburg Hollow over Middle Creek | 1976 | 483 | Good |
| Thurston Road over Little Bennett Creek | 1986 | 478 | Good |
| Keysville Road over Toms Creek | 1876 | 470 | Fair |
| Lewistown Road over Fishing Creek | 1920 | 466 | Good |
| Picnic Woods Road over Broad Run | 1974 | 466 | Good |
| Crow Rock Road over Middle Creek | 1897 | 460 | Fair |
| Cap Stine Road over Tuscarora Creek | 1985 | 451 | Fair |
| Blacks Mill Road over Big Hunting Creek | 1914 | 450 | Fair |
| Bloomfield Road over Tuscarora Creek | 1982 | 439 | Good |
| Monument Road over Grindstone Run | 1982 | 421 | Good |
| Monument Road over Grindstone Run | 1977 | 421 | Good |
| Ford Road over Clifford Branch | 1980 | 414 | Good |
| Sams Creek Road over Sams Creek | 1987 | 412 | Good |
| Arnoldtown Road over Trib. of Broad Run | 1984 | 407 | Good |
| Picnic Woods Road over Broad Run | 1974 | 403 | Good |
| Lily Pons Road over Locust Run | 1977 | 394 | Poor |
| Lily Pons Road over Small Stream | 1976 | 394 | Fair |
| Kelbaugh Road over Little Owens Creek | 1974 | 392 | Good |
| Poffenberger Road over Catoctin Creek | 1878 | 390 | Poor |
| Old Mill Road over Owens Creek | 1882 | 360 | Fair |
| Apples Church Road over Owens Creek | 1917 | 350 | Good |
| Winchester Bouleva over Tributary of Tuscarora C | 2002 | 350 | Good |
| Winchester Bouleva over Tributary of Tuscarora C | 1992 | 350 | Good |
| Appolds Road over Beaver Branch | 1972 | 346 | Fair |
| Mountaindale Road over Fishing Creek | 1979 | 346 | Fair |
| Arnoldtown Road over Broad Run | 1982 | 339 | Fair |
| Old Kiln Road over Little Owens Creek | 1975 | 338 | Poor |
| Fishers Hollow Rd over Little Catoctin Creek | 1983 | 337 | Good |
| Catholic Church Rd over Broad Run | 1974 | 331 | Good |
| Doubs Road over Tuscarora Creek | 1950 | 327 | Fair |
| Bullfrog Road over Monocacy River | 1908 | 324 | Fair |
| Lehigh Road over Sams Creek | 1998 | 322 | Fair |
| Artie Kemp Road over Town Branch | 1982 | 311 | Good |
| Monument Road over Grindstone Run | 1977 | 311 | Good |
| Monument Road over Grindstone Run | 1977 | 311 | Fair |
| Mt. Tabor Road over Grindstone Run | 1982 | 304 | Good |
| Utica Road over Fishing Creek | 1860 | 298 | Fair |
| Eylers Valley Road over Trib. of Owens Creek | 1983 | 295 | Good |
| Brice Road over Muddy Run | 1998 | 292 | Fair |
| Black Ankle Road over Talbot Branch | 1979 | 278 | Poor |
| Picnic Woods Road over Middle Creek | 1974 | 278 | Good |
| Timmons Road over Linganore Creek | 1974 | 276 | Fair |
| Creamery Road over Toms Creek | 1928 | 263 | Good |
| Hoffman Seachrist over Dorcus Branch | 1963 | 260 | Fair |
| Mt Ephraim Road over Bennett Creek | 1974 | 260 | Fair |
| Marker Road over Middle Creek | 2008 | 246 | Good |
| Sunshine Trail Rd over Friends Creek | 1975 | 240 | Good |
| Mount Tabor Road over Trib. of Catoctin Creek | 1995 | 220 | Good |
| Othello Regional P over Local Stream | 2020 | 217 | Good |
| Barnes Road over Weldon Creek | 1979 | 216 | Good |
| Talbot Run Road over Talbot Branch | 1979 | 215 | Good |
| Lenhart Road over Fishing Creek | 1980 | 213 | Good |
| Bunker Hill Road over Beaver Dam Creek | 1962 | 212 | Good |
| Sixes Bridge Road over Monocacy River | 1910 | 207 | Fair |
| E. Church Hill Rd over Middle Creek | 1908 | 204 | Fair |
| Hoffman Seachrist over Cabbage Run | 1985 | 202 | Good |
| Rock Hall Road over Washington Run | 1983 | 202 | Good |
| Catoctin Hollow Rd over Little Hunting Creek | 1980 | 201 | Good |
| Irishtown Road over Flat Run | 1982 | 201 | Good |
| Dixon Road over Bennett Creek | 1904 | 200 | Good |
| Simpsons Mill Road over Little Pipe Creek | 1890 | 200 | Fair |
| Utica District Par over Tributary of Fishing Cre | 2020 | 200 | Good |
| Easterday Road over Little Catoctin Creek | 1982 | 196 | Good |
| St. Marks Road over Broad Run | 1900 | 196 | Good |
| St. Marks Road over Trib. of Broad Run | 1982 | 196 | Good |
| Pleasant View Rd over Tuscarora Creek | 1982 | 191 | Fair |
| Catholic Church Rd over US 340 | 1964 | 190 | Fair |
| Dollyhyde Road over Dollyhyde Creek | 1982 | 186 | Good |
| Cap Stine Road over Br of Tuscarora Creek | 1975 | 183 | Good |
| Spruce Run Road over Middle Creek | 1982 | 181 | Good |
| Hornets Nest Road over Friends Creek | 1981 | 179 | Poor |
| Emerson Burrier Ro over Talbot Branch | 1982 | 175 | Good |
| Grimes Road over Toms Creek | 1914 | 170 | Fair |
| Lenhart Road over Fishing Creek | 1906 | 166 | Good |
| Spruce Run Road over Spruce Run | 1984 | 166 | Good |
| Road over Owens Creek | 1970 | 160 | Fair |
| Point of Rocks Roa over C&o Canal | 1890 | 159 | Fair |
| Wilhide Road over Little Hunting Creek | 1982 | 153 | Good |
| Dollyhyde Road over North Fork Linganore Crk | 1960 | 151 | Fair |
| Old Bohn Road over Woodville Branch | 1982 | 150 | Good |
| Cash Smith Road over Israel Creek | 1982 | 149 | Good |
| Horine Road over US 340 | 1965 | 148 | Fair |
| Buck Lantz Road over Owens Creek | 1982 | 141 | Fair |
| Molasses Road over Beaver Dam Creek | 1982 | 141 | Good |
| Ward Kline Road over Little Catoctin Creek | 1981 | 138 | Fair |
| Bennies Hill Road over Catoctin Creek | 1880 | 136 | Fair |
| Stevens Road over Hunting Creek | 1890 | 135 | Fair |
| Station Road over Catoctin Creek | 1920 | 133 | Fair |
| Sugarloaf Mtn Rd over Br of Bennett Creek | 1981 | 133 | Fair |
| Mountaindale Road over Little Fishing Creek | 1982 | 129 | Fair |
| Lime Plant Road over Tributary of Bens Branch | 1972 | 128 | Fair |
| Bentzel Road over Branch of Friends Creek | 1980 | 126 | Good |
| Hollow Road over Little Catoctin Creek | 1981 | 126 | Good |
| Arlington Mill Rd over Town Branch | 1997 | 125 | Good |
| Forest School Road over Middle Creek | 1982 | 125 | Good |
| New Design Road over Tuscarora Creek | 1982 | 125 | Good |
| Sumantown Road over Catoctin Creek | 1900 | 124 | Fair |
| Friends Creek Road over Friends Creek | 1910 | 123 | Fair |
| Angleberger Road over Sandy Run | 1982 | 122 | Good |
| Roy Shafer Road over Cone Branch | 1982 | 105 | Fair |
| Roy Shafer Road over Cone Branch | 1982 | 105 | Good |
| North Beach Road over Hunting Creek | 1980 | 100 | Fair |
| Old Mill Road over Maryland Midland Railroa | 1975 | 97 | Poor |
| Easterday Road over Little Catoctin Creek | 1982 | 90 | Fair |
| Lander Road over Lander Branch | 1982 | 74 | Good |
| Bridgeport Road over Cattail Branch | 1978 | 73 | Good |
| Bollinger Road over Stony Branch | 1982 | 72 | Good |
| Pearre Road over Clemson Branch | 1982 | 62 | Good |
| Sixes Road over Toms Creek | 2006 | 60 | Good |
| Hoovers Mill Road over Owens Creek | 1887 | 59 | Good |
| Raven Rock Park Rd over Owens Creek | 1981 | 57 | Good |
| Lenhart Road over Fishing Creek | 1982 | 56 | Good |
| Beaver Dam Road over Beaver Dam Creek | 1982 | 53 | Good |
| St Marks Road over US 340 | 1964 | 53 | Fair |
| Gambrill Park Road over Little Fishing Creek | 1980 | 50 | Fair |
| Limestone Lane over Br of Hollow Creek | 1960 | 50 | Fair |
| Maintenance Road over Blue Blazes Creek | 1960 | 50 | Fair |
| Private Lane over Fishing Creek | 2007 | 50 | Fair |
| Wye Creek Drive over Tributary of Renn | 1960 | 50 | Good |
| Brentland Road over Little Catoctin Creek | 1982 | 44 | Good |
| Covell Road over Little Bennett Creek | 1930 | 36 | Good |
| Bolivar Court over Bolivar Branch | 1994 | 35 | Good |
| Poffenberger Road over Lewis Mill Branch | 1982 | 32 | Fair |
| Hayes Road over Middle Creek | 1981 | 27 | Good |
| US 40 Median Cross over Rock Creek | 1969 | 25 | Fair |
| Parking Lot Road over Blue Blazes Creek | 2019 | 20 | Good |
| Flag Pond Road over Doubs Branch | 1986 | 12 | Good |
| Norman Balm Entran over Abandoned RR | 1920 | 5 | Fair |