| Caseville Road over Pigeon River | Poor | 105.3 ft | 2,035 | 1995 |
| Kinde Road over Pigeon River | Poor | 106.0 ft | 1,900 | 1964 |
| Spring Street over Bird Creek | Poor | 42.7 ft | 1,200 | 1975 |
| M-25 over Willow Creek | Poor | 229.0 ft | 816 | 1970 |
| Berne Road over Pigeon River | Poor | 78.7 ft | 465 | 1910 |
| Schock Road over Sucker Creek | Poor | 24.9 ft | 400 | 1985 |
| Oak Beach Road over Pinnebog River | Poor | 89.9 ft | 390 | 1959 |
| Kuhl Road over Shebeon Drain | Poor | 57.7 ft | 350 | 1984 |
| Stoddard Road over Willow River | Poor | 99.7 ft | 245 | 1978 |
| Mcmillan Road over Moore Creek | Poor | 23.0 ft | 180 | 1920 |
| Grassmere Road over Pinnebog River | Poor | 42.0 ft | 150 | 1929 |
| Gagetown Road over Pigeon River | Poor | 67.9 ft | 100 | 2004 |
| Caro Road over Kemp Drain | Poor | 29.9 ft | 100 | 1931 |
| Hartsell Road over East Br. Pigeon River | Poor | 32.8 ft | 88 | 1947 |
| M-25 over Sebewaing River | Fair | 144.0 ft | 5,123 | 1949 |
| Center Street over Sebewaing River | Fair | 87.9 ft | 4,900 | 2003 |
| M-53 over E Br Pigeon River | Fair | 29.9 ft | 4,658 | 1940 |
| M-53 over Pinnebog River | Fair | 74.8 ft | 3,895 | 1994 |
| M-19 over Cass River | Fair | 40.0 ft | 3,478 | 1957 |
| Sebewaing Road over Little Pigeon River | Fair | 47.9 ft | 3,030 | 1988 |
| Sebewaing Road over Shebeon Drain | Fair | 42.3 ft | 2,630 | 2001 |
| Elkton Road over West Br Pigeon River | Fair | 23.0 ft | 2,510 | 1920 |
| Sebewaing Road over Sebewaing River | Fair | 49.9 ft | 2,260 | 1990 |
| Sebewaing Road over Columbia Drain | Fair | 77.1 ft | 2,100 | 1990 |
| M-25 over Shebeon Drain | Fair | 54.8 ft | 2,000 | 1949 |
| Elkton Road over Elkton Drain | Fair | 55.8 ft | 1,860 | 1988 |
| Atwater Road over North Branch Cass River | Fair | 33.5 ft | 1,589 | 1980 |
| Kinde Road over Pinnebog River | Fair | 89.9 ft | 1,520 | 1993 |
| Kinde Road over Taft Drain | Fair | 25.9 ft | 1,520 | 1921 |
| M-25 over Pinnebog River | Fair | 120.1 ft | 1,500 | 1976 |
| M-25 over Schram Drain | Fair | 74.8 ft | 1,500 | 1975 |
| Kinde Road over Moore Creek | Fair | 25.9 ft | 1,500 | 1921 |
| Pinnebog Road over E. Br. Pinnebog River | Fair | 59.7 ft | 1,390 | 1976 |
| Bayport Road over Columbia Drain | Fair | 60.0 ft | 1,280 | 1925 |
| Ruth Road over Elm Creek | Fair | 28.9 ft | 1,270 | 1925 |
| Ruth Road over Smith Drain | Fair | 23.0 ft | 1,230 | 1930 |
| M-25 over Ocha Creek | Fair | 40.0 ft | 1,091 | 1953 |
| Verona Road over Philp Drain | Fair | 22.3 ft | 966 | 1992 |
| Verona Road over Philp Drain | Fair | 33.1 ft | 930 | 1992 |
| Filion Road over Pinnebog River | Fair | 99.7 ft | 920 | 1994 |
| Weale Road over Pigeon River | Fair | 56.1 ft | 890 | 1970 |
| Schock Road over Rock Falls Creek | Fair | 47.9 ft | 870 | 1974 |
| Filion Road over Pigeon River | Fair | 119.8 ft | 850 | 1994 |
| Verona Road over Philp Drain | Fair | 24.3 ft | 845 | 1991 |
| Filion Road over E Branch Pinnebog River | Fair | 34.1 ft | 820 | 1923 |
| M-25 over New River | Fair | 44.9 ft | 816 | 1970 |
| M-25 over Bird Creek | Fair | 40.0 ft | 780 | 1970 |
| Grassmere Road over Pinnebog River | Fair | 156.8 ft | 675 | 1996 |
| Kinde Road over Lincoln Drain | Fair | 25.9 ft | 671 | 2014 |
| Section Line Road over East Br. Willow Drain | Fair | 26.9 ft | 495 | 1972 |
| Kilmanagh Road over Shebeon Drain | Fair | 49.9 ft | 425 | 1993 |
| Lange Road over State Drain | Fair | 44.9 ft | 410 | 1925 |
| Buhl Road over Rock Falls Creek | Fair | 37.7 ft | 320 | 1963 |
| Mcalpin Road over Kemp I/c Drain | Fair | 23.0 ft | 315 | 1925 |
| Huron City Road over Tinsey Drain | Fair | 22.0 ft | 270 | 1940 |
| Stoddard Road over Tinsey Drain | Fair | 25.9 ft | 250 | 1940 |
| Geiger Road over Pigeon River | Fair | 99.7 ft | 250 | 1982 |
| Stein Road over Shebeon Drain | Fair | 51.8 ft | 240 | 1915 |
| Stoddard Road over New River | Fair | 34.8 ft | 205 | 1969 |
| Canboro Road over Shebeon Drain | Fair | 69.9 ft | 200 | 1996 |
| Kilmanagh Road over Pigeon River | Fair | 65.9 ft | 200 | 1993 |
| Stein Road over Pigeon River | Fair | 91.9 ft | 195 | 1993 |
| Haist Road over Pigeon River | Fair | 95.8 ft | 194 | 1987 |
| Pioneer Drive over Willow River | Fair | 82.0 ft | 180 | 1920 |
| Hunter Road over E Br Bird Creek DR | Fair | 40.0 ft | 180 | 1978 |
| Mcalpin Road over Appin I/c Drain | Fair | 37.7 ft | 150 | 1945 |
| Brown Road over West Branch Drain | Fair | 28.9 ft | 150 | 1979 |
| Geiger Road over Shebeon Drain | Fair | 36.1 ft | 140 | 1994 |
| Dunn Road over Pigeon River | Fair | 79.7 ft | 130 | 1980 |
| Limerick Road over Pigeon River | Fair | 128.9 ft | 125 | 1995 |
| Limerick Road over Pinnebog River | Fair | 111.9 ft | 125 | 1988 |
| Crown Road over Pigeon River | Fair | 117.5 ft | 125 | 1987 |
| Eppenbrock Road over Elm Creek Drain | Fair | 31.8 ft | 125 | 1979 |
| Crockard Road over Bird Creek Drain | Fair | 31.8 ft | 120 | 1983 |
| Weaver Road over Weaver Cut | Fair | 96.1 ft | 120 | 1996 |
| Lawitzke Road over Tinsey Drain | Fair | 25.9 ft | 120 | 1973 |
| Campbell Road over E Br Pinnebog River | Fair | 32.2 ft | 120 | 1979 |
| Crown Road over E. Br. Pinnebog River | Fair | 59.7 ft | 120 | 1992 |
| Mcmillan Road over Bad Axe Drain | Fair | 27.9 ft | 120 | 1986 |
| Thomas Road over Bad Axe Drain | Fair | 50.9 ft | 120 | 1990 |
| Bach Road over Kemp Drain | Fair | 24.0 ft | 110 | 1931 |
| Rescue Road over Columbia Drain | Fair | 29.9 ft | 110 | 1927 |
| Gettel Road over State Drain | Fair | 111.9 ft | 110 | 2007 |
| Buhl Road over Elm Creek | Fair | 31.8 ft | 110 | 1975 |
| Huron City Road over East Br. Willow River | Fair | 77.8 ft | 100 | 2004 |
| Mcdonald Road over East Br. Willow River | Fair | 42.0 ft | 100 | 1984 |
| Glassburner Road over Pinnebog River | Fair | 71.2 ft | 100 | 2001 |
| Ivanhoe Road over Colona Drain | Fair | 47.9 ft | 100 | 1973 |
| Geiger Road over Pinnebog River | Fair | 45.9 ft | 100 | 1925 |
| Ewald Road over Pinnebog River | Fair | 65.9 ft | 100 | 1992 |
| Gettel Road over Columbia Drain | Fair | 29.9 ft | 100 | 1927 |
| Gettel Road over Gettel Drain | Fair | 22.0 ft | 100 | 1930 |
| Rapson Road over Philp Drain | Fair | 28.9 ft | 95 | 1974 |
| Lackie Road over E Br Pinnebog River | Fair | 71.9 ft | 95 | 1992 |
| Haist Road over Shebeon Drain | Fair | 68.2 ft | 90 | 2000 |
| Weaver Road over Pinnebog River | Fair | 112.9 ft | 90 | 1981 |
| Mcalpin Road over Columbia Drain I/c Drain | Fair | 28.9 ft | 88 | 1928 |
| Minnick Road over Philp Drain | Fair | 22.0 ft | 80 | 1991 |
| Moeller Road over Willow River | Fair | 86.0 ft | 80 | 1987 |
| Campbell Road over Pigeon River | Fair | 96.1 ft | 80 | 1987 |
| Mcalpin Road over State Drain | Fair | 91.9 ft | 75 | 1995 |
| Richardson Road over Philp Drain | Fair | 32.8 ft | 74 | 1939 |
| Campbell Road over Pinnebog River | Fair | 44.9 ft | 65 | 1910 |
| Edwards Road over Elm Creek | Fair | 32.8 ft | 65 | 1982 |
| Dunn Road over Pinnebog River | Fair | 66.9 ft | 60 | 1970 |
| Etzler Road over Moore Creek | Fair | 24.0 ft | 60 | 2002 |
| Stafford Road over Ocha Creek | Fair | 24.0 ft | 52 | 1985 |
| Redman Road over Willow River | Fair | 74.8 ft | 50 | 1960 |
| Crown Road over Pinnebog River | Fair | 47.9 ft | 50 | 1920 |
| Farver Road over Pigeon River | Fair | 58.7 ft | 50 | 1994 |
| Rescue Road over Little Pigeon River | Fair | 55.8 ft | 50 | 1991 |
| Schott Road over New River | Fair | 49.9 ft | 50 | 1992 |
| Walker Road over New River | Fair | 28.9 ft | 50 | 1938 |
| Klug Road over Rock Falls Creek | Fair | 37.7 ft | 50 | 1971 |
| Ivanhoe Road over East Br. Pigeon River | Fair | 55.8 ft | 50 | 1991 |
| River Street over Pigeon River (cut Off) | Fair | 86.0 ft | 50 | 2014 |
| Morrison Road over Sparling Drain Extension | Fair | 25.6 ft | 40 | 1987 |
| Stambaugh Road over Sparling Drain Extension | Fair | 25.6 ft | 40 | 1987 |
| Moore Road over East Br Pigeon River | Fair | 29.9 ft | 31 | 1925 |
| Lackie Road over Moore Creek | Fair | 24.0 ft | 30 | 2002 |
| Day Road over New River | Fair | 31.8 ft | 30 | 1981 |
| Mcgardle Road over New River | Fair | 36.1 ft | 30 | 1984 |
| Iseler Road over New River | Fair | 45.9 ft | 30 | 2002 |
| Gaeth Road over Columbia Drain | Fair | 29.9 ft | 25 | 1927 |
| Volz Road over Columbia Drain | Fair | 28.9 ft | 25 | 1927 |
| Broderick Road over Pigeon River | Fair | 96.1 ft | 25 | 1993 |
| Dobson Road over Philp Drain | Fair | 25.9 ft | 20 | 1991 |
| Pobanz Road over Columbia Drain | Fair | 27.9 ft | 20 | 1927 |
| Farver Road over West Br. Pigeon River | Fair | 26.9 ft | 20 | 1920 |
| Grassmere Road over East Br. Pigeon River | Fair | 38.1 ft | 20 | 2003 |
| Anton Street over Sebewaing River | Good | 153.9 ft | 5,590 | 2013 |
| M-142 over Pinnebog River | Good | 43.3 ft | 5,274 | 1946 |
| M-142|pigeon RD over Nettle Run | Good | 44.6 ft | 5,200 | 2012 |
| M-25 over Pigeon River | Good | 101.0 ft | 4,865 | 1929 |
| M-142|pigeon RD over Pigeon River | Good | 164.0 ft | 4,500 | 2011 |
| M-25|port Austin R over Mud Creek | Good | 24.6 ft | 3,104 | 2006 |
| Sebewaing Road over Pigeon River | Good | 86.9 ft | 2,860 | 2005 |
| M-142|sand Beach R over Phillip Drain | Good | 24.0 ft | 2,847 | 2014 |
| Caseville Road over Pigeon River | Good | 94.2 ft | 2,720 | 2023 |
| M-25|s Lakeshore R over Rock Falls Creek | Good | 53.5 ft | 1,957 | 2003 |
| Elkton Road over East Br. Pigeon River | Good | 40.0 ft | 1,750 | 1920 |
| M-25 over Harbor Beach Creek | Good | 43.3 ft | 1,313 | 2012 |
| Ruth Road over Rock Falls Creek | Good | 34.8 ft | 1,030 | 1925 |
| Filion Road over Taft Drain | Good | 44.0 ft | 930 | 1995 |
| M-25|s Lakeshore R over White River | Good | 46.9 ft | 840 | 2010 |
| Bayport Road over Shebeon Drain | Good | 61.0 ft | 830 | 1980 |
| M-25|s Lakeshore R over Elm Creek | Good | 48.9 ft | 821 | 2003 |
| Parisville Road over Allen Drain | Good | 52.8 ft | 685 | 1997 |
| Kinde Road over Willow River | Good | 96.5 ft | 675 | 1999 |
| Filion Road over East Br Willow River Drn | Good | 34.1 ft | 645 | 2005 |
| Filion Road over Philp Drain | Good | 56.8 ft | 640 | 1969 |
| Verona Road over New River | Good | 25.9 ft | 610 | 1926 |
| Lange Road over Columbia Drain | Good | 30.5 ft | 440 | 1927 |
| Richardson Road over Pinnebog River | Good | 54.8 ft | 435 | 1988 |
| Oak Beach Road over Taft Drain | Good | 29.9 ft | 390 | 2005 |
| Union Street over North Branch Cass River | Good | 34.1 ft | 345 | 2003 |
| Stoddard Road over Bird Creek Drain | Good | 27.6 ft | 285 | 2015 |
| Finkle Road over Allen Drain | Good | 47.9 ft | 250 | 1998 |
| Schock Road over Elm Creek | Good | 52.5 ft | 232 | 2014 |
| Notter Road over Pigeon River | Good | 95.8 ft | 232 | 1990 |
| Caro Road over State I/c Drain | Good | 80.1 ft | 185 | 2014 |
| Bach Road over Brookfield I/c Drain | Good | 49.9 ft | 160 | 2008 |
| Stein Road over Pinnebog River | Good | 23.0 ft | 150 | 1977 |
| Berne Road over Bad Axe Drain | Good | 50.9 ft | 150 | 1988 |
| Minden Road over Allen Drain | Good | 47.9 ft | 135 | 1997 |
| Rescue Road over State Drain | Good | 42.7 ft | 134 | 1925 |
| Rescue Road over Shebeon Drain | Good | 59.4 ft | 130 | 1993 |
| Eppenbrock Road over Rock Falls Creek | Good | 21.0 ft | 130 | 1978 |
| Canboro Road over East Br. Pigeon River | Good | 71.9 ft | 125 | 2008 |
| Bach Road over State Drain | Good | 103.0 ft | 115 | 1999 |
| Souletown Road over E Br Pinnebog River | Good | 42.0 ft | 110 | 1999 |
| Riskey Road over Columbia Drain | Good | 64.0 ft | 85 | 2007 |
| Berne Road over Pinnebog River | Good | 74.8 ft | 85 | 1994 |
| Ruppel Road over Ocha Creek | Good | 40.0 ft | 85 | 2003 |
| Moeller Road over New River | Good | 24.0 ft | 80 | 2020 |
| Canboro Road over West Br. Pigeon River | Good | 26.2 ft | 75 | 1970 |
| Moore Road over Pinnebog River | Good | 31.8 ft | 75 | 1985 |
| Union Street over Sebewaing River I/c DR | Good | 77.8 ft | 75 | 2005 |
| Minnick Road over E Br Willow Creek | Good | 32.2 ft | 70 | 2005 |
| Huron Line Road over Brookfield Drain | Good | 40.0 ft | 70 | 2008 |
| Rapson Road over East Br Willow River Dn | Good | 24.0 ft | 68 | 2020 |
| Blakely Road over East Br. Pigeon River | Good | 62.0 ft | 62 | 2017 |
| Maxwell Road over Pigeon River | Good | 59.1 ft | 60 | 2010 |
| Swazye Road over East Br Willow River Drn | Good | 32.2 ft | 52 | 1994 |
| Riskey Road over Shebeon Drain | Good | 69.9 ft | 50 | 1996 |
| Rescue Road over East Br Pigeon River | Good | 51.8 ft | 50 | 2010 |
| Eby Road over Pinnebog River | Good | 42.7 ft | 50 | 1958 |
| Huron Line Road over State Drain I/c Drain | Good | 43.0 ft | 44 | 1925 |
| Klug Road over Elm Creek | Good | 75.8 ft | 35 | 2001 |
| Oeschger Road over Shebeon Drain | Good | 69.9 ft | 20 | 1996 |
| Puwalowski Road over Allen Drain | Good | 47.9 ft | 20 | 1997 |
| Witherspoon Road over Taft Drain | Good | 21.7 ft | 12 | 1981 |