| Lincoln Avenue over Cheboygan River | 2007 | 12,000 | Fair |
| M-68|s Straits Hwy over Sturgeon River | 1927 | 10,873 | Fair |
| I-75 NB over Trowbridge Rd | 1962 | 7,875 | Fair |
| I-75 SB over Trowbridge Rd | 1962 | 7,875 | Fair |
| I-75 NB over M-27|s Straits Hwy | 1962 | 7,777 | Fair |
| I-75 NB over Sturgeon River | 1962 | 7,777 | Fair |
| I-75 SB over M-27|s Straits Hwy | 1962 | 7,777 | Fair |
| I-75 SB over Sturgeon River | 1962 | 7,777 | Fair |
| US-23 over Cheboygan River | 1940 | 7,273 | Fair |
| Straits Hwy(old 27 over Indian River | 2012 | 7,047 | Good |
| M-33 over Cheboygan River | 1958 | 6,873 | Fair |
| M-68 over I-75 NB | 1962 | 6,551 | Fair |
| M-68 over I-75 SB | 1962 | 6,551 | Fair |
| I-75 NB over D&m RR (abn) | 1962 | 4,474 | Fair |
| I-75 NB over Indian River | 1962 | 4,474 | Fair |
| I-75 SB over D&m RR (abn) | 1962 | 4,474 | Fair |
| I-75 SB over Indian River | 1962 | 4,474 | Fair |
| US-23|MACKINAW Ave over Little Black River | 2016 | 3,731 | Good |
| M-68|m-33 over Black River | 2002 | 3,521 | Fair |
| M-68|m-33 over Milligan Creek | 1958 | 3,521 | Fair |
| M-68 over Pigeon River | 1939 | 3,188 | Fair |
| M-27|n Straits Hwy over Mullett Creek | 2004 | 3,024 | Good |
| N Mackinaw Hwy over I-75 NB | 1959 | 2,675 | Fair |
| Webb Rd over I-75 NB | 1962 | 2,270 | Good |
| Webb Rd over I-75 SB | 1962 | 2,270 | Good |
| Orchard Beach Road over Black River | 1976 | 2,200 | Poor |
| US-31 NB over I-75 NB | 1959 | 1,661 | Fair |
| Black River Road over Mud Creek | 1970 | 1,500 | Fair |
| Black River Road over Upper Black River | 1935 | 1,500 | Poor |
| S Black River Road over County Drain (mud Lk Drn | 1986 | 1,500 | Fair |
| Old 27 over Sturgeon River | 1991 | 1,260 | Poor |
| Coxey Road over Pigeon River | 2009 | 1,239 | Good |
| Black River Road over Black River | 1975 | 1,100 | Fair |
| Levering Rd over I-75 NB | 1960 | 1,100 | Fair |
| Onaway Rd over I-75 NB | 1962 | 1,050 | Fair |
| US-23 over Elliot Creek | 1937 | 977 | Fair |
| US-23 over Greene Creek | 1935 | 977 | Fair |
| Riggsville Rd over I-75 NB | 1960 | 900 | Fair |
| Black River Road over Upper Black River | 1962 | 860 | Fair |
| East Main Street over Sturgeon River | 1987 | 800 | Fair |
| Rondo Road over Sturgeon River | 1979 | 640 | Fair |
| Pigeon River Road over Pigeon River | 1995 | 620 | Good |
| Topinabee Mail Rte over I-75 NB | 1960 | 550 | Poor |
| Trowbridge Road over W Br Sturgeon River | 1949 | 520 | Poor |
| Afton Road over Pigeon River | 1982 | 500 | Poor |
| Black River Road over Black River | 1978 | 500 | Good |
| Barclay Ave over Black River | 1991 | 420 | Poor |
| Trowbridge Road over Sturgeon River | 1977 | 410 | Fair |
| Trowbridge Road over Sturgeon River | 1977 | 400 | Fair |
| White Rd (N. End) over Sturgeon River | 1985 | 380 | Fair |
| Webb Road over Little Pigeon River | 2006 | 280 | Good |
| White Rd (s.end) over Sturgeon River | 1992 | 270 | Fair |
| Old Sturgeon Rd over W Br Sturgeon River | 1994 | 240 | Fair |
| Clark Bridge Road over Black River | 1987 | 230 | Fair |
| Rondo Rd over I-75 NB | 1962 | 230 | Fair |
| Rondo Rd over I-75 SB | 1962 | 230 | Fair |
| Mullet-burt Rd over I-75 NB | 1960 | 220 | Fair |
| Scott Road over Sturgeon River | 2003 | 220 | Good |
| Mc Eachron Road over W Br Sturgeon River | 2008 | 180 | Good |
| Seffren Rd over Elliot Creek | 2019 | 167 | Fair |
| Webb Road over Pigeon River | 2010 | 150 | Good |
| Shire Road over W Br Sturgeon River | 2005 | 144 | Good |
| Red Bridge Road over Upper Black River | 1999 | 140 | Good |
| Indian Trail Rd over I-75 NB | 1960 | 110 | Fair |
| Paradise Lake Road over Mud Creek | 1963 | 100 | Poor |
| Potter Rd over I-75 NB | 1960 | 60 | Fair |
| W Brady Rd over Milligan Creek | 2018 | 50 | Good |
| Waveland Rd over Milligan Creek | 2018 | 50 | Good |
| Hebron Town Hall R over I-75 NB | 1960 | 40 | Good |
| Freeway Trail over Sturgeon River | 1978 | 30 | Poor |
| Tin Bridge Road over Pigeon River | 2007 | 30 | Good |
| New Nature Ave over Sturgeon River | 1900 | 25 | Poor |
| Kisser Road over Milligan Creek | 2004 | 23 | Fair |