| Orchard Beach Road over Black River | Poor | 254.9 ft | 2,200 | 1976 |
| Black River Road over Upper Black River | Poor | 120.1 ft | 1,500 | 1935 |
| Old 27 over Sturgeon River | Poor | 44.9 ft | 1,260 | 1991 |
| Topinabee Mail RTE over I-75 NB | Poor | 378.9 ft | 550 | 1960 |
| Trowbridge Road over W Br Sturgeon River | Poor | 30.8 ft | 520 | 1949 |
| Afton Road over Pigeon River | Poor | 118.8 ft | 500 | 1982 |
| Barclay AVE over Black River | Poor | 107.0 ft | 420 | 1991 |
| Paradise Lake Road over Mud Creek | Poor | 33.1 ft | 100 | 1963 |
| Freeway Trail over Sturgeon River | Poor | 35.1 ft | 30 | 1978 |
| New Nature AVE over Sturgeon River | Poor | 51.8 ft | 25 | 1900 |
| Lincoln Avenue over Cheboygan River | Fair | 379.6 ft | 12,000 | 2007 |
| M-68|s Straits HWY over Sturgeon River | Fair | 61.4 ft | 10,873 | 1927 |
| I-75 SB over Trowbridge RD | Fair | 250.7 ft | 7,875 | 1962 |
| I-75 NB over Trowbridge RD | Fair | 251.6 ft | 7,875 | 1962 |
| I-75 SB over M-27|s Straits HWY | Fair | 227.7 ft | 7,777 | 1962 |
| I-75 NB over M-27|s Straits HWY | Fair | 230.3 ft | 7,777 | 1962 |
| I-75 SB over Sturgeon River | Fair | 48.9 ft | 7,777 | 1962 |
| I-75 NB over Sturgeon River | Fair | 48.9 ft | 7,777 | 1962 |
| Us-23 over Cheboygan River | Fair | 169.0 ft | 7,273 | 1940 |
| M-33 over Cheboygan River | Fair | 199.1 ft | 6,873 | 1958 |
| M-68 over I-75 SB | Fair | 142.1 ft | 6,551 | 1962 |
| M-68 over I-75 NB | Fair | 153.9 ft | 6,551 | 1962 |
| I-75 NB over Indian River | Fair | 178.8 ft | 4,474 | 1962 |
| I-75 SB over Indian River | Fair | 178.8 ft | 4,474 | 1962 |
| I-75 NB over D&m Rr (abn) | Fair | 187.7 ft | 4,474 | 1962 |
| I-75 SB over D&m Rr (abn) | Fair | 187.7 ft | 4,474 | 1962 |
| M-68|m-33 over Milligan Creek | Fair | 40.0 ft | 3,521 | 1958 |
| M-68|m-33 over Black River | Fair | 84.3 ft | 3,521 | 2002 |
| M-68 over Pigeon River | Fair | 49.9 ft | 3,188 | 1939 |
| N Mackinaw HWY over I-75 NB | Fair | 281.8 ft | 2,675 | 1959 |
| Us-31 NB over I-75 NB | Fair | 311.0 ft | 1,661 | 1959 |
| S Black River Road over County Drain (mud Lk Drn | Fair | 53.8 ft | 1,500 | 1986 |
| Black River Road over Mud Creek | Fair | 36.1 ft | 1,500 | 1970 |
| Levering RD over I-75 NB | Fair | 227.0 ft | 1,100 | 1960 |
| Black River Road over Black River | Fair | 240.2 ft | 1,100 | 1975 |
| Onaway RD over I-75 NB | Fair | 195.9 ft | 1,050 | 1962 |
| Us-23 over Greene Creek | Fair | 21.0 ft | 977 | 1935 |
| Us-23 over Elliot Creek | Fair | 25.9 ft | 977 | 1937 |
| Riggsville RD over I-75 NB | Fair | 238.5 ft | 900 | 1960 |
| Black River Road over Upper Black River | Fair | 104.0 ft | 860 | 1962 |
| East Main Street over Sturgeon River | Fair | 40.0 ft | 800 | 1987 |
| Rondo Road over Sturgeon River | Fair | 77.8 ft | 640 | 1979 |
| Trowbridge Road over Sturgeon River | Fair | 51.8 ft | 410 | 1977 |
| Trowbridge Road over Sturgeon River | Fair | 44.0 ft | 400 | 1977 |
| White RD (n. End) over Sturgeon River | Fair | 47.9 ft | 380 | 1985 |
| White RD (s.end) over Sturgeon River | Fair | 132.9 ft | 270 | 1992 |
| Old Sturgeon RD over W Br Sturgeon River | Fair | 59.7 ft | 240 | 1994 |
| Rondo RD over I-75 SB | Fair | 216.2 ft | 230 | 1962 |
| Rondo RD over I-75 NB | Fair | 216.5 ft | 230 | 1962 |
| Clark Bridge Road over Black River | Fair | 64.0 ft | 230 | 1987 |
| Mullet-burt RD over I-75 NB | Fair | 227.4 ft | 220 | 1960 |
| Seffren RD over Elliot Creek | Fair | 24.3 ft | 167 | 2019 |
| Indian Trail RD over I-75 NB | Fair | 247.0 ft | 110 | 1960 |
| Potter RD over I-75 NB | Fair | 239.8 ft | 60 | 1960 |
| Kisser Road over Milligan Creek | Fair | 29.9 ft | 23 | 2004 |
| Straits Hwy(old 27 over Indian River | Good | 129.9 ft | 7,047 | 2012 |
| Us-23|mackinaw AVE over Little Black River | Good | 35.1 ft | 3,731 | 2016 |
| M-27|n Straits HWY over Mullett Creek | Good | 55.1 ft | 3,024 | 2004 |
| Webb RD over I-75 SB | Good | 170.6 ft | 2,270 | 1962 |
| Webb RD over I-75 NB | Good | 170.6 ft | 2,270 | 1962 |
| Coxey Road over Pigeon River | Good | 60.0 ft | 1,239 | 2009 |
| Pigeon River Road over Pigeon River | Good | 74.8 ft | 620 | 1995 |
| Black River Road over Black River | Good | 65.9 ft | 500 | 1978 |
| Webb Road over Little Pigeon River | Good | 40.0 ft | 280 | 2006 |
| Scott Road over Sturgeon River | Good | 74.1 ft | 220 | 2003 |
| Mc Eachron Road over W Br Sturgeon River | Good | 49.9 ft | 180 | 2008 |
| Webb Road over Pigeon River | Good | 60.0 ft | 150 | 2010 |
| Shire Road over W Br Sturgeon River | Good | 40.0 ft | 144 | 2005 |
| Red Bridge Road over Upper Black River | Good | 78.1 ft | 140 | 1999 |
| Waveland RD over Milligan Creek | Good | 32.8 ft | 50 | 2018 |
| W Brady RD over Milligan Creek | Good | 32.8 ft | 50 | 2018 |
| Hebron Town Hall R over I-75 NB | Good | 292.7 ft | 40 | 1960 |
| Tin Bridge Road over Pigeon River | Good | 65.0 ft | 30 | 2007 |