| Pine Grove Road over S Branch Pine River | Poor | 25.9 ft | 333 | 1920 |
| Nimberger Road over Tamarack Creek | Poor | 34.1 ft | 283 | 1980 |
| Tamarack Road over Pine River | Poor | 64.0 ft | 269 | 1978 |
| Stevenson Road over W Br Fish Creek | Poor | 22.0 ft | 105 | 1970 |
| Tamarack Road over Tamarack Creek | Poor | 24.0 ft | 57 | 1998 |
| Amsden Road over Dickerson Creek | Poor | 24.0 ft | 37 | 1905 |
| Nelson Road over Dickerson Creek | Poor | 26.9 ft | 24 | 1910 |
| Us-131sb & M-46sb over Tamarack Creek | Fair | 167.0 ft | 26,700 | 1972 |
| Us-131nb & M-46nb over Tamarack Creek | Fair | 162.1 ft | 26,700 | 1972 |
| Us-131 & M-46 SB over Kendaville RD | Fair | 107.9 ft | 26,700 | 1971 |
| Us-131 & M-46 NB over Kendaville RD | Fair | 110.6 ft | 26,700 | 1971 |
| M-91 over Flat River | Fair | 175.9 ft | 11,433 | 1994 |
| Us-131 NB over Bruce Creek | Fair | 20.0 ft | 10,150 | 1979 |
| Us-131 SB over Bruce Creek | Fair | 20.0 ft | 10,150 | 1979 |
| M-91 over Wabasis Creek | Fair | 34.8 ft | 9,376 | 1957 |
| M-57 over Dickerson Creek | Fair | 34.8 ft | 8,322 | 1953 |
| Old Us-131 over Tamarack CR | Fair | 49.9 ft | 8,200 | 1928 |
| Dagget RD over Us-131 | Fair | 436.0 ft | 7,000 | 1971 |
| M-46 over Tamarack Creek | Fair | 49.9 ft | 6,904 | 1960 |
| M-46 M-66 over Flat River | Fair | 44.9 ft | 6,822 | 1937 |
| M-46 (exten) over Us-131 | Fair | 368.1 ft | 6,427 | 1979 |
| Old M-82 over Tamarack CR | Fair | 65.0 ft | 5,843 | 1957 |
| M-57 over Prairie Creek | Fair | 34.8 ft | 5,487 | 1953 |
| M-57 over Butternut Creek | Fair | 30.8 ft | 5,487 | 1940 |
| M-57 over Fish Creek | Fair | 52.8 ft | 5,487 | 1931 |
| M-82 over Tamarack Creek | Fair | 143.0 ft | 5,181 | 1932 |
| Fairplains Street over Flat River | Fair | 119.8 ft | 5,032 | 1972 |
| Sidney RD (cr 510) over Flat River | Fair | 60.0 ft | 4,593 | 1931 |
| M-82 over Us-131 SB & M-46 SB | Fair | 184.1 ft | 3,800 | 1971 |
| M-82 over Us-131 NB & M-46 NB | Fair | 188.6 ft | 3,800 | 1971 |
| Stanton Road 522 over Fish Creek | Fair | 24.9 ft | 3,223 | 1920 |
| Crystal Road 565 over Pine River | Fair | 96.1 ft | 3,191 | 1992 |
| Mt Hope RD (co555) over Fish Creek | Fair | 49.9 ft | 3,191 | 1993 |
| Crystal Road 565 over Fish Creek | Fair | 60.0 ft | 2,043 | 1992 |
| Condensery Road over Fish Creek | Fair | 95.1 ft | 1,095 | 1978 |
| Johnson Road over Flat River | Fair | 89.9 ft | 1,082 | 1985 |
| Johnson Road 500 over Wabasis Creek | Fair | 26.2 ft | 943 | 1962 |
| Colby Road over Flat River | Fair | 74.8 ft | 723 | 1980 |
| Long RD Co 540 over Little Muskegon River | Fair | 121.4 ft | 712 | 2001 |
| Fenwick Road 500 over Prairie Creek | Fair | 28.2 ft | 613 | 1974 |
| Maple Hill RD 540 over Handy Creek | Fair | 34.8 ft | 577 | 1987 |
| Musson Road over Flat River | Fair | 31.8 ft | 577 | 1978 |
| Orton Road over Tamarack Creek | Fair | 61.0 ft | 570 | 1930 |
| Tamarack RD over Handy Creek | Fair | 23.0 ft | 533 | 1976 |
| Tamarack RD over Handy Creek | Fair | 23.0 ft | 477 | 1976 |
| Fenwick Road 500 over Fish Creek | Fair | 109.9 ft | 438 | 1972 |
| Amble Road Co 601 over Tamarack Creek | Fair | 45.9 ft | 377 | 1985 |
| Lake Montcalm RD over Flat River | Fair | 67.9 ft | 377 | 1997 |
| Mcbrides RD 530 over Pine River | Fair | 94.2 ft | 316 | 1967 |
| River Road over Flat River | Fair | 105.0 ft | 303 | 1989 |
| Briggs Road over Flat River | Fair | 57.7 ft | 293 | 1984 |
| Douglass Road over Pine River | Fair | 80.1 ft | 269 | 1985 |
| Douglas Road over Pine River Overflow | Fair | 30.8 ft | 269 | 1978 |
| Kickland Road over Black Creek | Fair | 76.8 ft | 267 | 1985 |
| Boyer Road over Prairie Creek | Fair | 27.9 ft | 237 | 1920 |
| Colby Road over Fish Creek | Fair | 23.0 ft | 164 | 1980 |
| Jenks Road over Fish Creek | Fair | 79.7 ft | 151 | 1990 |
| Cannonsville RD over Us-131 | Fair | 339.9 ft | 150 | 1971 |
| Miller Road over Flat River | Fair | 51.8 ft | 133 | 1978 |
| Stakes Road over Wabasis Creek | Fair | 23.0 ft | 133 | 1980 |
| Dagget Road over Little Muskegon River | Fair | 75.8 ft | 124 | 1987 |
| Reed Road over Handy Creek | Fair | 34.8 ft | 120 | 1910 |
| Lake Road over Flat River | Fair | 107.9 ft | 117 | 1994 |
| South Co Line RD over Flat River | Fair | 119.8 ft | 117 | 1996 |
| Bollinger Road over Fish Creek | Fair | 64.0 ft | 115 | 1992 |
| Kimball Road over Black Creek | Fair | 28.9 ft | 111 | 1980 |
| Youngman Road over Wabasis Creek | Fair | 38.7 ft | 105 | 1974 |
| Edgar Road over Wolf Creek | Fair | 62.0 ft | 103 | 1992 |
| River Road over Wabasis Creek | Fair | 24.0 ft | 97 | 1973 |
| Miner Road over Fish Creek | Fair | 67.9 ft | 91 | 1994 |
| Cedar Lake Road over W Br Fish Creek | Fair | 23.6 ft | 84 | 1970 |
| Fuller Road over Dickerson Creek | Fair | 21.7 ft | 75 | 1974 |
| Almy Road over Tamarack Creek | Fair | 29.9 ft | 63 | 1980 |
| Lk Montcalm RD over Us-131 SB | Fair | 167.0 ft | 50 | 1971 |
| Lk Montcalm RD over Us-131 NB | Fair | 166.0 ft | 50 | 1971 |
| Tow Road over Fish Creek | Fair | 26.9 ft | 30 | 1895 |
| M-57 over Flat River | Good | 159.8 ft | 11,727 | 1948 |
| Us-131 NB over Handy Creek | Good | 24.0 ft | 10,150 | 1979 |
| Us-131 SB over Handy Creek | Good | 24.0 ft | 10,150 | 1979 |
| Hillcrest-charles over Flat River | Good | 148.0 ft | 8,480 | 1965 |
| M-91 over Flat River | Good | 62.3 ft | 7,125 | 1994 |
| Old Us-131 over Rice CR | Good | 42.0 ft | 6,760 | 2009 |
| Franklin Street over Flat River | Good | 100.1 ft | 5,032 | 2006 |
| Wise Road over Flat River | Good | 120.1 ft | 2,860 | 2019 |
| Sidney RD (co 510) over W Br Fish Creek | Good | 65.0 ft | 1,827 | 2013 |
| Kendaville Road over Herron Drain | Good | 22.0 ft | 1,525 | 2014 |
| West Co Line RD over Tamarack Creek | Good | 75.1 ft | 1,394 | 2021 |
| Stanton RD Co 522 over Flat River | Good | 59.7 ft | 1,333 | 1966 |
| Sidney RD (co 510) over Fish Creek | Good | 40.0 ft | 1,141 | 1986 |
| Fenwick Road 500 over Dickerson Creek | Good | 42.3 ft | 1,130 | 1958 |
| Fleck RD over Flat River | Good | 60.0 ft | 1,017 | 2012 |
| Garlock Road over Butternut Creek | Good | 40.0 ft | 850 | 2016 |
| Miles Road Co 585 over Flat River | Good | 70.9 ft | 752 | 1968 |
| Mcbrides Road 530 over Flat River | Good | 65.0 ft | 600 | 1978 |
| Tamarack Road over Us-131 | Good | 459.0 ft | 550 | 1979 |
| Cutler Road over Us-131 SB | Good | 181.8 ft | 330 | 1979 |
| Cutler Road over Us-131 NB & Ramp | Good | 202.8 ft | 330 | 1978 |
| Grow RD Co 585 over Dickerson Creek | Good | 49.9 ft | 304 | 2010 |
| Dickerson Lake RD over Flat River | Good | 51.8 ft | 300 | 1978 |
| Six Lakes Road over Flat River | Good | 65.0 ft | 292 | 2017 |
| Vickeryville RD over S Branch Pine River | Good | 29.9 ft | 233 | 1934 |
| Boyer Road over Fish Creek | Good | 76.8 ft | 233 | 1990 |
| Blackmer Road over Fish Creek | Good | 57.1 ft | 220 | 2007 |
| Masters Road over Tamarack Creek | Good | 49.9 ft | 187 | 2023 |
| Pierson RD over Us-131 | Good | 299.9 ft | 180 | 1971 |
| Cedar Lake Road over Prairie Creek | Good | 40.0 ft | 177 | 1983 |
| Almy Road over Flat River | Good | 59.7 ft | 157 | 1988 |
| Holland Lake Road over Fish Creek | Good | 59.7 ft | 150 | 1988 |
| Schmeid RD Co 550 over Pine River | Good | 40.0 ft | 147 | 1983 |
| Cutler RD over Black Creek | Good | 24.0 ft | 133 | 2001 |
| Sloan Road over Fish Creek | Good | 54.1 ft | 133 | 2008 |
| Carlson RD over Dickerson Creek | Good | 69.9 ft | 132 | 2013 |
| Deaner Road over Tamarack Creek | Good | 40.0 ft | 113 | 1983 |
| Station Road over Dickerson Creek | Good | 23.0 ft | 107 | 1985 |
| Hillis Road over Pine River | Good | 115.2 ft | 97 | 1995 |
| Pakes Road over Fish Creek | Good | 51.8 ft | 85 | 1995 |
| Condensery Road over Unnamed Stream | Good | 34.1 ft | 75 | 2002 |
| Church RD Co 540 over Flat River | Good | 62.0 ft | 74 | 1984 |
| Condensery RD over County Drain #111 | Good | 24.0 ft | 50 | 2002 |
| Miller Road over Dickerson Creek | Good | 24.0 ft | 47 | 1989 |
| Senator Road over Fish Creek | Good | 51.8 ft | 10 | 1996 |