| Is 68 over Wills Creek CSX RR Mun | 1968 | 53,950 | Fair |
| Is 68 over US 220 | 1968 | 47,770 | Fair |
| Is 68 over Kelly Blvd CSX Trans. | 1968 | 46,611 | Fair |
| Is 68 over Patterson Avenue | 1968 | 46,611 | Fair |
| Is 68 over Md 658 | 1968 | 38,810 | Fair |
| Marion Street over I-68 | 1968 | 30,530 | Fair |
| Is 68 Ebr over Md 53 | 1971 | 29,700 | Fair |
| Is 68 Wbr over Md 53 | 1971 | 29,700 | Fair |
| Is 68 over US 40 Alt/md 639 | 2019 | 27,462 | Good |
| Is 68 over Branch of Evitts Creek | 1938 | 26,680 | Fair |
| Is 68 over Evitts Creek | 1937 | 26,680 | Fair |
| Is 68 over Md 144 | 1967 | 26,680 | Fair |
| Is 68 Ebr over Md 55 | 1973 | 26,410 | Fair |
| Is 68 Wbr over Md 55 | 1973 | 26,410 | Fair |
| Is 68 EB over Md 936 | 1972 | 23,640 | Fair |
| Is 68 Ebr over Md 736 (midlothian Road) | 1972 | 23,640 | Fair |
| Is 68 WB over Maryland 736 (midlothian | 1972 | 23,640 | Fair |
| Is 68 WB over Md 936 | 1972 | 23,640 | Fair |
| Is 68 over Georges Creek | 1972 | 23,640 | Fair |
| Is 68 Ebr over Md 144 Elk Lick Run | 1990 | 21,600 | Good |
| Is 68 Wbr over Md 144 Elk Lick Run | 1990 | 21,600 | Good |
| Henderson Avenue over Franklin Street & CSX RR | 1932 | 19,319 | Fair |
| Is 68 Ebr over Street Road | 1990 | 19,030 | Good |
| Is 68 Wbr over Street Road | 1990 | 19,030 | Good |
| Is 68 over West Trib Flintstone Crk | 1990 | 19,030 | Fair |
| Is 68 over Elk Lick Run | 1990 | 18,670 | Fair |
| Is 68 over Elk Lick Run | 1990 | 18,670 | Fair |
| Is 68 EB over Md 948AO Flintstone Crk | 1990 | 18,551 | Fair |
| Is 68 Ebr over Dry Ridge Road | 1990 | 18,551 | Good |
| Is 68 Ebr over Town Creek | 1990 | 18,551 | Good |
| Is 68 WB over Md 948AO Flintstone Crk | 1990 | 18,551 | Fair |
| Is 68 Wbr over Dry Ridge Road | 1990 | 18,551 | Good |
| Is 68 Wbr over Town Creek | 1990 | 18,551 | Good |
| Is 68 over Little Pine Lick Hollow | 1990 | 18,551 | Good |
| Is 68 over West Trib Flintstone Cre | 1990 | 18,551 | Fair |
| Is 68 over Fifteen Mile Creek | 1990 | 18,400 | Fair |
| US 220 over N Potomac River Md 135 | 2012 | 16,452 | Fair |
| Is 68 & US 40 Scn over Snib Hollow Run | 1986 | 15,460 | Fair |
| Is 68 & US 40 Scn over Snib Hollow Run | 1986 | 15,460 | Fair |
| Is 68 over Snib Hollow Run | 1986 | 15,460 | Fair |
| Is 68 over Snib Hollow Run | 1962 | 15,460 | Fair |
| US 220 over Warrior Run | 1900 | 15,191 | Fair |
| Md 51 over CSX Trans. Md 61 | 1965 | 14,721 | Fair |
| Is 68 Ramp D(5) over Centre Street | 1968 | 14,023 | Fair |
| Is 68 Ramp B (6) over Howard Street | 1968 | 13,611 | Fair |
| US 40 Alt over Braddock Run | 1948 | 13,491 | Fair |
| US 40 Alt over Wills Creek | 1932 | 13,491 | Fair |
| Is 68 Ramp C(7) over Mechanic Street | 1968 | 13,163 | Fair |
| Md 53 over Warrior Run | 1953 | 12,872 | Fair |
| Md 53 over Winchester Run | 1924 | 12,872 | Fair |
| US 40 Alt over Braddock Run | 1947 | 12,812 | Fair |
| Md 51 over Evitts Creek | 1957 | 12,092 | Good |
| Baltimore Street over Wills Creek | 1916 | 11,780 | Good |
| Bedford Street / F over US 40 Alt CSX Queen Ci | 1977 | 11,771 | Fair |
| Md 61 (canal Parkw over North Branch of Potomac | 1992 | 11,501 | Good |
| Md 61 (canal Pkwy) over C & O Canal | 1997 | 11,501 | Good |
| Md 658 over Braddock Run | 1968 | 11,250 | Fair |
| Md 36 over Braddock Run | 1957 | 10,713 | Fair |
| Is 68 Ramp 5 over Pratt Hollow | 1990 | 9,992 | Good |
| Is 68 Ramp 6 over Pratt Hollow | 1990 | 9,992 | Good |
| Is 68 Ramp Ft-2 over Fifteenmile Creek | 1990 | 9,992 | Good |
| US 40 Alt over Braddock Run | 1947 | 9,951 | Fair |
| US 40 Alt over Porter Run | 1948 | 9,951 | Fair |
| Is 68 Ramp A(8) over Mechanic Street | 1968 | 9,664 | Fair |
| Md 36 over Jennings Run | 1957 | 8,670 | Good |
| Md 36 over Koontz Run | 2011 | 8,275 | Good |
| Md 636 over Warrior Run | 1936 | 8,071 | Fair |
| Md 636 over Warrior Run | 1936 | 8,071 | Fair |
| Md 36 over Elklick Run | 2007 | 7,706 | Good |
| Md 36 over Georges Creek | 2008 | 7,706 | Good |
| Md 36 over Georges Creek | 2005 | 7,706 | Fair |
| Md 36 over Georges Creek | 2010 | 7,706 | Good |
| Md 36 over Neff Run | 1987 | 7,706 | Fair |
| Md 942 over N Branch Potomac River | 1953 | 7,278 | Fair |
| Md 144 over Evitts Creek | 1966 | 7,221 | Poor |
| Md 956 over CSX Transportation | 1967 | 7,151 | Fair |
| Md 956 over Potomac River | 1967 | 7,150 | Fair |
| US 220 over Md 135A | 1952 | 7,111 | Fair |
| US 220 over Mill Run | 1950 | 7,111 | Fair |
| US 220 over Mill Run | 1900 | 7,111 | Fair |
| US 220 over Mill Run | 1929 | 7,111 | Fair |
| US 220 over Trib to North Br Potomac | 1900 | 7,111 | Fair |
| US 220 over Trib to North Br Potomac | 1929 | 7,111 | Fair |
| US 220 over Trib to North Br Potomac | 1951 | 7,111 | Fair |
| Md 36 over Is 68 | 1972 | 6,853 | Fair |
| Md 36 over Neff Run | 1939 | 6,750 | Fair |
| Md 135 over Georges Creek | 1963 | 6,642 | Good |
| Is 68 Ramp E(4) over Centre St Queen City Dr | 1968 | 6,507 | Fair |
| Valley Street over Wills Creek / Wmsrr | 1955 | 6,149 | Fair |
| Maryland 36 over Moores Run Road | 1975 | 5,740 | Good |
| Md 36 over Branch of Georges Creek | 1981 | 5,740 | Good |
| Md 36 over Georges Creek | 1981 | 5,740 | Good |
| Md 36 over Moores Run | 1981 | 5,740 | Fair |
| Md 807 over Pea Vine Run | 2002 | 5,092 | Good |
| Md 35 over Branch of Wills Creek | 2008 | 5,001 | Good |
| Md 36 over Georges Creek | 1975 | 4,720 | Good |
| Md 36 over N Branch Potomac River | 1994 | 4,720 | Good |
| Md 736 over Sand Spring Run | 1975 | 4,531 | Good |
| Md 135D W Va 46 over N Branch Potomac River | 1985 | 4,527 | Fair |
| US 220 over Evitts Creek | 1999 | 3,841 | Good |
| US 220 over I-68 and Md 144 Ramp | 1999 | 3,841 | Good |
| US 220 over Mason Road | 1999 | 3,841 | Good |
| US 220 over Pea Vine Run & Beals Mil | 1999 | 3,841 | Good |
| Market Street over Wills Creek | 1954 | 3,692 | Fair |
| Main St (md 937) over Branch of Georges Creek | 1933 | 3,555 | Fair |
| Market Street over Wmsrr | 1928 | 3,445 | Good |
| Cash Valley Road over Unnamed Stream | 1966 | 3,430 | Fair |
| Is 68 Ramp F(2) over Centre St Queen City Dr | 1968 | 3,284 | Fair |
| Md 36 over Trib to Jennings Run | 2020 | 2,724 | Good |
| Md 55 over Braddock Run | 1950 | 2,552 | Good |
| Md 639 Williams Rd over Evitts Creek | 1966 | 2,530 | Fair |
| Md 47 over North Branch | 2016 | 2,300 | Good |
| Md 36 over Jennings Run | 1995 | 2,290 | Good |
| Md 36 over Jennings Run | 1929 | 2,290 | Fair |
| Md 36 over Jennings Run | 1985 | 2,150 | Fair |
| Md 51 over Sawpit Run | 1932 | 2,142 | Fair |
| Orleans Road over Is 68 | 1968 | 2,113 | Fair |
| Pittsburgh Pg Road over Csxt / Lockhouse Rd | 1957 | 2,085 | Fair |
| Md 47 over Branch of North Branch | 1923 | 2,042 | Fair |
| Md 47 over North Branch | 2005 | 2,042 | Good |
| Md 51 over Town Creek | 1932 | 2,022 | Poor |
| Md 36 over North Branch | 1960 | 2,000 | Fair |
| Md 51 over C&o Canal | 1932 | 1,642 | Fair |
| Md 638 over Western Md Scenic RR | 1995 | 1,621 | Good |
| Victory Post Drive over Georges Creek | 1950 | 1,599 | Fair |
| Georges Creek Road over Neff Run | 2007 | 1,575 | Good |
| Md 51 over Potomac River | 1987 | 1,502 | Fair |
| Christie Road over Evitts Creek | 1975 | 1,464 | Good |
| Md 935 over Butcher Run | 1930 | 1,430 | Fair |
| Md 935 over Georges Creek | 2004 | 1,430 | Good |
| Md 935 over Georges Creek | 1930 | 1,430 | Fair |
| Md 935 over Georges Creek | 1933 | 1,430 | Fair |
| Md 935 over Moores Run | 1933 | 1,430 | Fair |
| Md 36 over Jennings Run | 1987 | 1,320 | Poor |
| Md 948AD over Is 68 | 1990 | 1,314 | Good |
| Mason Road over Pea Vine Run | 2004 | 1,275 | Good |
| Christie Road over Unnamed Stream | 1995 | 1,225 | Fair |
| Iron Rail Street over Jennings Run | 1935 | 1,224 | Fair |
| Fifteen Mile Creek over White Sulphur Run | 1935 | 1,218 | Good |
| Is 68 & Rmps 2 5 7 over Elk Lick Run | 1990 | 1,189 | Fair |
| Is 68 Rmps 7 4 & 6 over Elk Lick Run | 1990 | 1,189 | Fair |
| Mexico Farms Road over Csxt Railroad | 1957 | 1,185 | Fair |
| Md 144 over Elk Lick Run | 1990 | 1,161 | Fair |
| Rye Street over Braddock Run | 2007 | 1,140 | Good |
| Proenty Road over Jennings Run | 1926 | 1,125 | Fair |
| Md 144 over Elk Lick Creek | 1960 | 1,121 | Fair |
| Md 144 over Flintstone Creek | 1900 | 1,121 | Fair |
| Md 144 over Is 68 | 1990 | 1,121 | Good |
| Md 144 over Is 68 | 1990 | 1,121 | Fair |
| Md 144 over Is 68 | 1990 | 1,121 | Good |
| Md 144 over Is 68 Pratt Hollow | 1990 | 1,121 | Good |
| Md 144 over Little Pine Lick Hollow | 1990 | 1,121 | Good |
| Md 144 over Pratt Hollow | 1990 | 1,121 | Good |
| Md 144 over Town Creek | 1957 | 1,121 | Poor |
| Md 144 over West Trib Flintstone Cre | 1990 | 1,121 | Fair |
| Md 144 over West Trib Flintstone Cre | 1990 | 1,121 | Fair |
| Welsh Hill Road over Georges Creek | 1999 | 1,113 | Good |
| Grabenstein Road over Elk Lick Run | 1940 | 1,075 | Poor |
| Is 68 Ramp A(4) over West Trib Flintstone Cre | 1990 | 999 | Good |
| Is 68 Ramp C(7) over Trib to Flintstone Creek | 1990 | 999 | Fair |
| Mountain Road over Is 68 | 1968 | 999 | Good |
| Old Cumberland Rd over Is 68 | 1990 | 999 | Fair |
| Bartlett Run Road over Butchers Run | 2007 | 970 | Good |
| Green Spring Road over North Branch of Potomac | 1937 | 959 | Poor |
| Fletcher Drive over Is 68 | 1968 | 944 | Fair |
| Old Legislative Rd over Winebrenner Run | 2020 | 937 | Good |
| Paradise Street over Neff Run | 1994 | 920 | Fair |
| Green Spring Road over Mill Run | 1935 | 812 | Fair |
| Klondike Road over Georges Creek | 1991 | 783 | Fair |
| Is 68 Ramps 1 & 2 over Braddock Run | 1972 | 703 | Good |
| Kreigbaum Road over Jennings Run | 2021 | 699 | Good |
| Opessa Street over Seven Springs Run | 2009 | 682 | Good |
| Union Street over Georges Creek | 1914 | 675 | Fair |
| New Row Road over Dutch Hollow Run | 1935 | 669 | Poor |
| Md 831A over Braddock Run | 1900 | 599 | Good |
| Lwr Georges Crk Rd over Georges Creek | 1993 | 598 | Fair |
| Waverly Street over Georges Creek | 1993 | 595 | Fair |
| Waverly Street over Md 36 | 1975 | 529 | Good |
| Town Creek Road over Town Creek | 2001 | 525 | Good |
| Black Valley Road over Flintstone Creek | 1964 | 499 | Fair |
| Church Street over Georges Creek | 2000 | 461 | Good |
| Shaft Road over Georges Creek | 1940 | 432 | Good |
| Forest Grove Road over Wills Creek | 1977 | 393 | Fair |
| Robbin Street over Jackson Run | 1946 | 338 | Fair |
| Island Street over Jackson Run | 1940 | 337 | Good |
| Sugar Maple Road over Unnamed Stream | 1950 | 337 | Good |
| Lower Georges Ck R over Mill Run | 1930 | 336 | Fair |
| Town Creek Road over Town Creek | 1964 | 320 | Fair |
| Town Creek Road over Flintstone Creek | 1992 | 310 | Fair |
| New School Road over Dutch Hollow Run | 1954 | 306 | Good |
| Town Creek Road over Murley Branch | 2020 | 301 | Good |
| Orleans Road over Fifteen Mile Creek | 2019 | 297 | Good |
| Cobblestone Road over Jennings Run | 1940 | 286 | Fair |
| US 40 Scn over Is 68 | 1990 | 284 | Good |
| US 40 Scn over Pratt Hollow | 1990 | 284 | Good |
| US 40 Scn over Fifteen Mile Creek | 1917 | 281 | Fair |
| US 40 Scn over Is 68 & Snib Hollow Run | 1988 | 281 | Good |
| US 40 Scn over Sideling Hill Creek | 1925 | 281 | Fair |
| US 40 Scn over Snib Hollow Run | 1916 | 281 | Fair |
| US 40 Scn over Snib Hollow Run | 2003 | 281 | Good |
| Bridge Street over Braddock Run | 2009 | 275 | Good |
| Potomac Hollow Roa over Moores Run | 2014 | 268 | Good |
| Slabtown Road over Unnamed Stream | 1991 | 258 | Fair |
| Williams Road SE over Murley Branch | 1985 | 255 | Fair |
| Old Mt Pleasant Rd over Evitts Creek | 1952 | 244 | Poor |
| Smouses Mill Road over Evitts Creek | 2002 | 238 | Fair |
| Md 948AF over Is 68 | 1990 | 221 | Good |
| Mason Road over Evitts Creek | 1950 | 219 | Fair |
| Temperance Row over Georges Creek | 1976 | 206 | Fair |
| Mason Road over Rocky Gap Run | 2017 | 205 | Good |
| Pea Vine Run Road over Pea Vine Run | 2009 | 186 | Good |
| Pea Vine Run Road over Pea Vine Run | 1945 | 177 | Fair |
| Pack Horse Road over Town Creek | 1985 | 169 | Fair |
| Watercliff Street over Hill Run | 1955 | 161 | Fair |
| Squirrel Neck Road over Georges Creek | 1998 | 155 | Fair |
| Main St-lonaconing over Georges Creek | 1957 | 153 | Fair |
| Locust Grove Road over Wills Creek | 1900 | 142 | Fair |
| Flintstone Creek R over Flintstone Creek | 1930 | 141 | Fair |
| Oaklawn Avenue over Braddock Run | 1900 | 135 | Fair |
| Upper Potomac Indu over Csxt Railroad | 1975 | 120 | Fair |
| Cumberland Street over Csxt Railroad | 1929 | 110 | Poor |
| Md 948AL over Is 68 | 1990 | 110 | Fair |
| Washington Street over Csxt Railroad | 1930 | 110 | Poor |
| Fayette Street over Csxt Railroad | 1885 | 109 | Poor |
| Fifteen Mi Crk Rd over Fifteen Mile Creek | 1940 | 107 | Fair |
| River Road over C&o Canal | 2014 | 105 | Good |
| River Road over C&o Canal | 2015 | 100 | Good |
| Md 948AE over Is 68 Elk Lick Run | 1990 | 99 | Fair |
| Md 948Y over Is 68 | 1988 | 99 | Fair |
| Md 948Y over Snib Hollow | 1988 | 99 | Good |
| Md 952 over Is 68 | 1962 | 99 | Fair |
| Laurel Run Road over Laurel Run | 2020 | 98 | Good |
| Laurel Run Road over Laurel Run | 2021 | 97 | Good |
| Laurel Run Road over Laurel Run | 1950 | 94 | Fair |
| Laurel Run Road over Laurel Run | 2020 | 93 | Good |
| Woodcock Hollow Rd over Jennings Run | 1973 | 88 | Fair |
| Little Orleans Acc over C&o Canal | 2024 | 72 | Good |
| Spring Gap Access over C&o Canal | 1969 | 72 | Fair |
| Beechwood Road over Koontz Run | 1983 | 56 | Poor |
| Cedar Knoll Lane over Elk Lick Run | 1966 | 50 | Good |
| Tensor Lane over Is 68 | 1990 | 50 | Good |
| Md 144AE over Town Creek | 1926 | 43 | Fair |
| Jacobs Road over Maple Run | 1978 | 22 | Poor |
| Windy Ridge Drive over Jennings Run | 1959 | 10 | Fair |