| Anton Street over Sebewaing River | 2013 | 5,590 | Good |
| M-142 over Pinnebog River | 1946 | 5,274 | Good |
| M-142|pigeon Rd over Nettle Run | 2012 | 5,200 | Good |
| M-25 over Sebewaing River | 1949 | 5,123 | Fair |
| Center Street over Sebewaing River | 2003 | 4,900 | Fair |
| M-25 over Pigeon River | 1929 | 4,865 | Good |
| M-53 over E Br Pigeon River | 1940 | 4,658 | Fair |
| M-142|pigeon Rd over Pigeon River | 2011 | 4,500 | Good |
| M-53 over Pinnebog River | 1994 | 3,895 | Fair |
| M-19 over Cass River | 1957 | 3,478 | Fair |
| M-25|port Austin R over Mud Creek | 2006 | 3,104 | Good |
| Sebewaing Road over Little Pigeon River | 1988 | 3,030 | Fair |
| Sebewaing Road over Pigeon River | 2005 | 2,860 | Good |
| M-142|sand Beach R over Phillip Drain | 2014 | 2,847 | Good |
| Caseville Road over Pigeon River | 2023 | 2,720 | Good |
| Sebewaing Road over Shebeon Drain | 2001 | 2,630 | Fair |
| Elkton Road over West Br Pigeon River | 1920 | 2,510 | Fair |
| Sebewaing Road over Sebewaing River | 1990 | 2,260 | Fair |
| Sebewaing Road over Columbia Drain | 1990 | 2,100 | Fair |
| Caseville Road over Pigeon River | 1995 | 2,035 | Poor |
| M-25 over Shebeon Drain | 1949 | 2,000 | Fair |
| M-25|s Lakeshore R over Rock Falls Creek | 2003 | 1,957 | Good |
| Kinde Road over Pigeon River | 1964 | 1,900 | Poor |
| Elkton Road over Elkton Drain | 1988 | 1,860 | Fair |
| Elkton Road over East Br. Pigeon River | 1920 | 1,750 | Good |
| Atwater Road over North Branch Cass River | 1980 | 1,589 | Fair |
| Kinde Road over Pinnebog River | 1993 | 1,520 | Fair |
| Kinde Road over Taft Drain | 1921 | 1,520 | Fair |
| Kinde Road over Moore Creek | 1921 | 1,500 | Fair |
| M-25 over Pinnebog River | 1976 | 1,500 | Fair |
| M-25 over Schram Drain | 1975 | 1,500 | Fair |
| Pinnebog Road over E. Br. Pinnebog River | 1976 | 1,390 | Fair |
| M-25 over Harbor Beach Creek | 2012 | 1,313 | Good |
| Bayport Road over Columbia Drain | 1925 | 1,280 | Fair |
| Ruth Road over Elm Creek | 1925 | 1,270 | Fair |
| Ruth Road over Smith Drain | 1930 | 1,230 | Fair |
| Spring Street over Bird Creek | 1975 | 1,200 | Poor |
| M-25 over Ocha Creek | 1953 | 1,091 | Fair |
| Ruth Road over Rock Falls Creek | 1925 | 1,030 | Good |
| Verona Road over Philp Drain | 1992 | 966 | Fair |
| Filion Road over Taft Drain | 1995 | 930 | Good |
| Verona Road over Philp Drain | 1992 | 930 | Fair |
| Filion Road over Pinnebog River | 1994 | 920 | Fair |
| Weale Road over Pigeon River | 1970 | 890 | Fair |
| Schock Road over Rock Falls Creek | 1974 | 870 | Fair |
| Filion Road over Pigeon River | 1994 | 850 | Fair |
| Verona Road over Philp Drain | 1991 | 845 | Fair |
| M-25|s Lakeshore R over White River | 2010 | 840 | Good |
| Bayport Road over Shebeon Drain | 1980 | 830 | Good |
| M-25|s Lakeshore R over Elm Creek | 2003 | 821 | Good |
| Filion Road over E Branch Pinnebog River | 1923 | 820 | Fair |
| M-25 over New River | 1970 | 816 | Fair |
| M-25 over Willow Creek | 1970 | 816 | Poor |
| M-25 over Bird Creek | 1970 | 780 | Fair |
| Parisville Road over Allen Drain | 1997 | 685 | Good |
| Grassmere Road over Pinnebog River | 1996 | 675 | Fair |
| Kinde Road over Willow River | 1999 | 675 | Good |
| Kinde Road over Lincoln Drain | 2014 | 671 | Fair |
| Filion Road over East Br Willow River Drn | 2005 | 645 | Good |
| Filion Road over Philp Drain | 1969 | 640 | Good |
| Verona Road over New River | 1926 | 610 | Good |
| Section Line Road over East Br. Willow Drain | 1972 | 495 | Fair |
| Berne Road over Pigeon River | 1910 | 465 | Poor |
| Lange Road over Columbia Drain | 1927 | 440 | Good |
| Richardson Road over Pinnebog River | 1988 | 435 | Good |
| Kilmanagh Road over Shebeon Drain | 1993 | 425 | Fair |
| Lange Road over State Drain | 1925 | 410 | Fair |
| Schock Road over Sucker Creek | 1985 | 400 | Poor |
| Oak Beach Road over Pinnebog River | 1959 | 390 | Poor |
| Oak Beach Road over Taft Drain | 2005 | 390 | Good |
| Kuhl Road over Shebeon Drain | 1984 | 350 | Poor |
| Union Street over North Branch Cass River | 2003 | 345 | Good |
| Buhl Road over Rock Falls Creek | 1963 | 320 | Fair |
| Mcalpin Road over Kemp I/c Drain | 1925 | 315 | Fair |
| Stoddard Road over Bird Creek Drain | 2015 | 285 | Good |
| Huron City Road over Tinsey Drain | 1940 | 270 | Fair |
| Finkle Road over Allen Drain | 1998 | 250 | Good |
| Geiger Road over Pigeon River | 1982 | 250 | Fair |
| Stoddard Road over Tinsey Drain | 1940 | 250 | Fair |
| Stoddard Road over Willow River | 1978 | 245 | Poor |
| Stein Road over Shebeon Drain | 1915 | 240 | Fair |
| Notter Road over Pigeon River | 1990 | 232 | Good |
| Schock Road over Elm Creek | 2014 | 232 | Good |
| Stoddard Road over New River | 1969 | 205 | Fair |
| Canboro Road over Shebeon Drain | 1996 | 200 | Fair |
| Kilmanagh Road over Pigeon River | 1993 | 200 | Fair |
| Stein Road over Pigeon River | 1993 | 195 | Fair |
| Haist Road over Pigeon River | 1987 | 194 | Fair |
| Caro Road over State I/c Drain | 2014 | 185 | Good |
| Hunter Road over E Br Bird Creek Dr | 1978 | 180 | Fair |
| Mcmillan Road over Moore Creek | 1920 | 180 | Poor |
| Pioneer Drive over Willow River | 1920 | 180 | Fair |
| Bach Road over Brookfield I/c Drain | 2008 | 160 | Good |
| Berne Road over Bad Axe Drain | 1988 | 150 | Good |
| Brown Road over West Branch Drain | 1979 | 150 | Fair |
| Grassmere Road over Pinnebog River | 1929 | 150 | Poor |
| Mcalpin Road over Appin I/c Drain | 1945 | 150 | Fair |
| Stein Road over Pinnebog River | 1977 | 150 | Good |
| Geiger Road over Shebeon Drain | 1994 | 140 | Fair |
| Minden Road over Allen Drain | 1997 | 135 | Good |
| Rescue Road over State Drain | 1925 | 134 | Good |
| Dunn Road over Pigeon River | 1980 | 130 | Fair |
| Eppenbrock Road over Rock Falls Creek | 1978 | 130 | Good |
| Rescue Road over Shebeon Drain | 1993 | 130 | Good |
| Canboro Road over East Br. Pigeon River | 2008 | 125 | Good |
| Crown Road over Pigeon River | 1987 | 125 | Fair |
| Eppenbrock Road over Elm Creek Drain | 1979 | 125 | Fair |
| Limerick Road over Pigeon River | 1995 | 125 | Fair |
| Limerick Road over Pinnebog River | 1988 | 125 | Fair |
| Campbell Road over E Br Pinnebog River | 1979 | 120 | Fair |
| Crockard Road over Bird Creek Drain | 1983 | 120 | Fair |
| Crown Road over E. Br. Pinnebog River | 1992 | 120 | Fair |
| Lawitzke Road over Tinsey Drain | 1973 | 120 | Fair |
| Mcmillan Road over Bad Axe Drain | 1986 | 120 | Fair |
| Thomas Road over Bad Axe Drain | 1990 | 120 | Fair |
| Weaver Road over Weaver Cut | 1996 | 120 | Fair |
| Bach Road over State Drain | 1999 | 115 | Good |
| Bach Road over Kemp Drain | 1931 | 110 | Fair |
| Buhl Road over Elm Creek | 1975 | 110 | Fair |
| Gettel Road over State Drain | 2007 | 110 | Fair |
| Rescue Road over Columbia Drain | 1927 | 110 | Fair |
| Souletown Road over E Br Pinnebog River | 1999 | 110 | Good |
| Caro Road over Kemp Drain | 1931 | 100 | Poor |
| Ewald Road over Pinnebog River | 1992 | 100 | Fair |
| Gagetown Road over Pigeon River | 2004 | 100 | Poor |
| Geiger Road over Pinnebog River | 1925 | 100 | Fair |
| Gettel Road over Columbia Drain | 1927 | 100 | Fair |
| Gettel Road over Gettel Drain | 1930 | 100 | Fair |
| Glassburner Road over Pinnebog River | 2001 | 100 | Fair |
| Huron City Road over East Br. Willow River | 2004 | 100 | Fair |
| Ivanhoe Road over Colona Drain | 1973 | 100 | Fair |
| Mcdonald Road over East Br. Willow River | 1984 | 100 | Fair |
| Lackie Road over E Br Pinnebog River | 1992 | 95 | Fair |
| Rapson Road over Philp Drain | 1974 | 95 | Fair |
| Haist Road over Shebeon Drain | 2000 | 90 | Fair |
| Weaver Road over Pinnebog River | 1981 | 90 | Fair |
| Hartsell Road over East Br. Pigeon River | 1947 | 88 | Poor |
| Mcalpin Road over Columbia Drain I/c Drain | 1928 | 88 | Fair |
| Berne Road over Pinnebog River | 1994 | 85 | Good |
| Riskey Road over Columbia Drain | 2007 | 85 | Good |
| Ruppel Road over Ocha Creek | 2003 | 85 | Good |
| Campbell Road over Pigeon River | 1987 | 80 | Fair |
| Minnick Road over Philp Drain | 1991 | 80 | Fair |
| Moeller Road over New River | 2020 | 80 | Good |
| Moeller Road over Willow River | 1987 | 80 | Fair |
| Canboro Road over West Br. Pigeon River | 1970 | 75 | Good |
| Mcalpin Road over State Drain | 1995 | 75 | Fair |
| Moore Road over Pinnebog River | 1985 | 75 | Good |
| Union Street over Sebewaing River I/c Dr | 2005 | 75 | Good |
| Richardson Road over Philp Drain | 1939 | 74 | Fair |
| Huron Line Road over Brookfield Drain | 2008 | 70 | Good |
| Minnick Road over E Br Willow Creek | 2005 | 70 | Good |
| Rapson Road over East Br Willow River Dn | 2020 | 68 | Good |
| Campbell Road over Pinnebog River | 1910 | 65 | Fair |
| Edwards Road over Elm Creek | 1982 | 65 | Fair |
| Blakely Road over East Br. Pigeon River | 2017 | 62 | Good |
| Dunn Road over Pinnebog River | 1970 | 60 | Fair |
| Etzler Road over Moore Creek | 2002 | 60 | Fair |
| Maxwell Road over Pigeon River | 2010 | 60 | Good |
| Stafford Road over Ocha Creek | 1985 | 52 | Fair |
| Swazye Road over East Br Willow River Drn | 1994 | 52 | Good |
| Crown Road over Pinnebog River | 1920 | 50 | Fair |
| Eby Road over Pinnebog River | 1958 | 50 | Good |
| Farver Road over Pigeon River | 1994 | 50 | Fair |
| Ivanhoe Road over East Br. Pigeon River | 1991 | 50 | Fair |
| Klug Road over Rock Falls Creek | 1971 | 50 | Fair |
| Redman Road over Willow River | 1960 | 50 | Fair |
| Rescue Road over East Br Pigeon River | 2010 | 50 | Good |
| Rescue Road over Little Pigeon River | 1991 | 50 | Fair |
| Riskey Road over Shebeon Drain | 1996 | 50 | Good |
| River Street over Pigeon River (cut Off) | 2014 | 50 | Fair |
| Schott Road over New River | 1992 | 50 | Fair |
| Walker Road over New River | 1938 | 50 | Fair |
| Huron Line Road over State Drain I/c Drain | 1925 | 44 | Good |
| Morrison Road over Sparling Drain Extension | 1987 | 40 | Fair |
| Stambaugh Road over Sparling Drain Extension | 1987 | 40 | Fair |
| Klug Road over Elm Creek | 2001 | 35 | Good |
| Moore Road over East Br Pigeon River | 1925 | 31 | Fair |
| Day Road over New River | 1981 | 30 | Fair |
| Iseler Road over New River | 2002 | 30 | Fair |
| Lackie Road over Moore Creek | 2002 | 30 | Fair |
| Mcgardle Road over New River | 1984 | 30 | Fair |
| Broderick Road over Pigeon River | 1993 | 25 | Fair |
| Gaeth Road over Columbia Drain | 1927 | 25 | Fair |
| Volz Road over Columbia Drain | 1927 | 25 | Fair |
| Dobson Road over Philp Drain | 1991 | 20 | Fair |
| Farver Road over West Br. Pigeon River | 1920 | 20 | Fair |
| Grassmere Road over East Br. Pigeon River | 2003 | 20 | Fair |
| Oeschger Road over Shebeon Drain | 1996 | 20 | Good |
| Pobanz Road over Columbia Drain | 1927 | 20 | Fair |
| Puwalowski Road over Allen Drain | 1997 | 20 | Good |
| Witherspoon Road over Taft Drain | 1981 | 12 | Good |