| Nine Mile Road over Big Bear Creek | Poor | 59.7 ft | 2,006 | 1977 |
| Kurick Road over Betsie River | Poor | 44.0 ft | 760 | 1974 |
| Kerry Road over Big Bear Creek | Poor | 29.9 ft | 200 | 1972 |
| Psutka Road over Betsie River | Poor | 40.0 ft | 100 | 1900 |
| Leffew Road over Big Bear Creek | Poor | 24.9 ft | 10 | 1910 |
| Us-31 over Manistee River | Fair | 315.9 ft | 17,789 | 1933 |
| M-115 over Betsie River | Fair | 149.9 ft | 4,219 | 1940 |
| M-55 over Pine Creek | Fair | 26.9 ft | 4,202 | 1932 |
| M-55 over Pine River | Fair | 613.8 ft | 3,175 | 1934 |
| East Lake Road over Little Manistee River | Fair | 44.0 ft | 3,000 | 1964 |
| M-115 over Dutchman Creek | Fair | 26.9 ft | 2,670 | 1937 |
| M-22|northwood HWY over Bowens Creek | Fair | 24.9 ft | 2,206 | 1964 |
| Coates Highway over Big Bear Creek | Fair | 45.9 ft | 900 | 1958 |
| Springdale RD over Dutchman Creek | Fair | 23.0 ft | 899 | 1987 |
| Skocelas Road over Little Manistee River | Fair | 65.9 ft | 401 | 1984 |
| River Road over Big Bear Creek | Fair | 51.8 ft | 300 | 1976 |
| Johnson Road over Big Bear Creek | Fair | 44.0 ft | 300 | 1970 |
| Johnson Road over Kaleva Creek | Fair | 30.8 ft | 300 | 2010 |
| Old Stronach Road over Little Manistee River | Fair | 109.3 ft | 280 | 2011 |
| Milks Road over Big Bear Creek | Fair | 32.2 ft | 250 | 2006 |
| Coates Highway over Arquilla Creek | Fair | 62.0 ft | 249 | 2016 |
| Potter Road over Big Bear Creek | Fair | 29.9 ft | 200 | 1966 |
| 11 Mile Road over Big Bear Creek | Fair | 40.0 ft | 50 | 1987 |
| M-55 over Manistee River | Good | 420.9 ft | 3,408 | 2021 |
| High Bridge R Fh31 over Big Manistee River | Good | 396.3 ft | 2,015 | 1993 |
| Thirteen Mile Road over Big Bear Creek | Good | 49.9 ft | 1,841 | 2013 |
| Maple Street over Manistee River | Good | 286.1 ft | 1,466 | 1964 |
| Coates HWY Fh38 over Big Manistee River | Good | 211.9 ft | 854 | 2018 |
| Healy Lake Road over Big Bear Creek | Good | 27.9 ft | 656 | 1992 |
| Bosschem RD Fh5192 over Pine Creek | Good | 22.6 ft | 600 | 2011 |
| Warfield RD Fh5231 over Hinton Creek | Good | 37.4 ft | 200 | 2011 |
| Warfield RD Fh5231 over Peterson Creek | Good | 62.0 ft | 200 | 2012 |
| Huff Road over Pine Creek | Good | 84.0 ft | 120 | 2004 |
| Six Mile Road over Little Manistee River | Good | 60.0 ft | 75 | 2009 |
| Low Bridge Road over Pine River | Good | 100.1 ft | 50 | 2013 |