| M-18|m-61|w Cedar over Cedar Creek | 2001 | 13,231 | Fair |
| M-18 over Tobacco River | 1939 | 6,100 | Poor |
| M-18 over S Br Little Sugar River | 1923 | 5,963 | Good |
| M-18 over Farm Drain | 1937 | 5,052 | Fair |
| M-30 over Tobacco River | 2021 | 4,100 | Good |
| M-30 over Larabee Creek | 1977 | 3,517 | Good |
| M-61 over Molasses River | 1998 | 3,302 | Fair |
| M-61 over Tittabawassee River | 1958 | 3,302 | Fair |
| M-30 over Br Tittabawassee River | 1954 | 2,536 | Fair |
| M-30 over Little Tobacco River | 1958 | 2,536 | Fair |
| M-30 over Sugar River | 1954 | 2,536 | Fair |
| M-30 over Tittabawassee River | 1928 | 2,536 | Fair |
| M-30 over W Br Tittabawassee River | 1954 | 2,536 | Fair |
| Estey Rd over Tittabawasee River | 1970 | 1,793 | Fair |
| M-18 over N Br Cedar River | 1923 | 1,596 | Fair |
| Porter Street over Tobacco River | 1917 | 1,470 | Fair |
| Bard Road over Middle Br Tobacco River | 1991 | 1,375 | Good |
| Hockaday Rd over Sugar River | 1997 | 1,083 | Good |
| Ritchie Rd over Sugar River | 1993 | 900 | Good |
| Glidden Rd over Tobacco River | 1987 | 880 | Fair |
| Chappel Dam Rd over Cedar River | 1985 | 610 | Good |
| Dale Road over Tobacco River | 1970 | 585 | Poor |
| Dale Road over Little Cedar River | 1988 | 551 | Good |
| Highwood Road over Tittabawasee River | 1984 | 495 | Poor |
| Bensch Rd over Mid Br Tittabawasse Riv | 2022 | 450 | Good |
| Calhoun Rd over N Br of Tobacco R | 1968 | 440 | Fair |
| Bard Rd over N Br of Cedar River | 2000 | 430 | Fair |
| Bard Rd over N Br of Cedar River | 1985 | 430 | Fair |
| Knox Rd over Little Cedar River | 1964 | 380 | Fair |
| Bensch Rd over Tittabawassee River | 1976 | 375 | Fair |
| Secord Dam Road over Tittabawassee River | 1989 | 340 | Good |
| Beaverton Rd over S Br of Tobacco Riv | 1986 | 330 | Fair |
| Nickless Rd over S Br Little Sugar River | 2003 | 300 | Good |
| Pinconning Rd over Watson Drain | 1985 | 291 | Fair |
| Shearer Rd over Howland Creek | 1985 | 286 | Good |
| Herner Rd over E Br Tittabawassee R | 1980 | 275 | Fair |
| Klender Rd over Watson Drain | 2002 | 260 | Fair |
| Mcculloch Rd over N Br Tobacco River | 1991 | 260 | Good |
| Swinson Neuman Rd over Watson Drain | 1994 | 252 | Good |
| Maple Point Rd over Molasses River | 2022 | 250 | Good |
| Youngs Rd over Little Tobacco River | 2002 | 250 | Good |
| Rhodes Rd over Watson Drain | 1986 | 247 | Fair |
| Bard Rd over N Br Tobacco River | 1975 | 231 | Fair |
| Eagleson Rd over Cedar River | 1978 | 225 | Good |
| Bard Rd over S Br of Tobacco Riv | 1970 | 220 | Poor |
| Grout Rd over N Br Tobacco River | 1977 | 215 | Fair |
| Howard Rd over N Br Tobacco River | 1988 | 210 | Good |
| Mccullough Rd over Middle Br Tobacco River | 1964 | 210 | Fair |
| Calhoun Road over Middle Br Tobacco River | 1980 | 205 | Fair |
| Howard Rd over Cedar River | 1975 | 205 | Fair |
| Schmidt Rd over N Br Cedar River | 1992 | 205 | Good |
| Mcnamara Rd over N Br of Tobacco River | 2016 | 200 | Good |
| Lang Rd over Middle Br Tobacco River | 2007 | 187 | Good |
| Dassey Rd over S Br Little Sugar River | 1994 | 184 | Good |
| Dutcher Rd over Sugar River | 1979 | 170 | Fair |
| Polegate Rd over Molasses River | 1918 | 155 | Fair |
| Shaeffer Rd over Little Cedar River | 2013 | 126 | Fair |
| Shell Rd over Little Sugar River | 1976 | 125 | Fair |
| Peterson Rd over Bear Drain | 2014 | 115 | Fair |
| Townhall Rd over S Br of Tobacco | 2013 | 100 | Fair |
| Grass Lake Rd over Tittabawassee River | 2004 | 92 | Good |
| Badger Rd over Little Cedar River | 2000 | 82 | Fair |
| Nettleton Rd over Little Tobacco River | 1994 | 80 | Good |