| I-75 over Conrail Raisin R Front | Poor | 930.4 ft | 67,800 | 1955 |
| Us-24 over Stony Creek | Poor | 100.1 ft | 19,500 | 1931 |
| Us-23 NB over Indiana & Ohio Rr | Poor | 186.0 ft | 16,733 | 1958 |
| Us-24 over Indian Creek | Poor | 28.9 ft | 11,702 | 1925 |
| Us-24 over Otter Creek | Poor | 65.0 ft | 7,446 | 1924 |
| Laplaisance Road over Laplaisance Creek | Poor | 24.3 ft | 7,130 | 1988 |
| North Custer RD over Willow Run | Poor | 25.9 ft | 6,582 | 1928 |
| Sterns RD over Us-23 | Poor | 226.0 ft | 6,030 | 1959 |
| M-125 over Indian Creek | Poor | 40.0 ft | 5,815 | 1934 |
| I-75 Conn over Ns & Gtw Rr | Poor | 299.9 ft | 3,200 | 1938 |
| Ida West RD over Us-23 | Poor | 201.8 ft | 2,070 | 1958 |
| Deerfield RD over River Raisin | Poor | 185.0 ft | 1,920 | 1963 |
| War Road over Stony Creek | Poor | 101.0 ft | 1,550 | 1982 |
| Dennison Road over North Macon Creek | Poor | 30.8 ft | 1,250 | 1929 |
| Sigler RD over Swan Creek | Poor | 119.8 ft | 850 | 1972 |
| Ready RD over I-75 | Poor | 302.8 ft | 680 | 1956 |
| Consear RD over Us-23 | Poor | 226.0 ft | 530 | 1959 |
| Labo RD over I-275 | Poor | 370.4 ft | 500 | 1973 |
| Ottawa Lake Road over Ottawa Lake Drain | Poor | 30.5 ft | 480 | 1900 |
| Hicker Road over Ottawa Lake Outlet | Poor | 36.4 ft | 440 | 1960 |
| Dennison RD over South Branch Macon Drain | Poor | 76.8 ft | 366 | 1983 |
| Knab RD over Otter Creek | Poor | 105.0 ft | 360 | 1964 |
| Rauch RD over Us-23 | Poor | 201.8 ft | 330 | 1959 |
| Stoneybrook Lane over Indian Creek | Poor | 47.9 ft | 323 | 1979 |
| Kelly Road over Muddy Creek | Poor | 30.8 ft | 280 | 1986 |
| Sigler RD over I-75 | Poor | 261.8 ft | 270 | 1954 |
| Todd Road over Lockwood Drain | Poor | 38.1 ft | 260 | 1979 |
| Maxwell Road over Swan Creek | Poor | 33.8 ft | 240 | 1960 |
| Goutz Road over Otter Creek | Poor | 52.8 ft | 230 | 1977 |
| Sweitzer Road over Swan Creek | Poor | 113.8 ft | 220 | 1982 |
| Bay Creek Road over Bay Creek | Poor | 24.3 ft | 220 | 1971 |
| Kruse Road over Lockwood Drain | Poor | 24.9 ft | 220 | 1980 |
| Lenawee Road over Swamp Raisin Creek | Poor | 42.0 ft | 198 | 1960 |
| S Otter Creek Road over Lockwood Drain | Poor | 25.9 ft | 130 | 1930 |
| Lenawee Co Line RD over Milan-macon Drain | Poor | 30.8 ft | 110 | 1929 |
| Allison Road over Saline River | Poor | 120.1 ft | 100 | 1961 |
| Snell Road over Saline River | Poor | 107.0 ft | 65 | 1993 |
| Bragg Road over Swamp Raisin Creek | Poor | 37.7 ft | 50 | 1930 |
| N County Line Road over North Macon Creek | Poor | 29.9 ft | 30 | 1910 |
| Day Road over Saline River | Poor | 60.0 ft | 16 | 1937 |
| I-75 over Norfolk Southern Rr | Fair | 205.7 ft | 65,200 | 1955 |
| I-75 over Sandy Creek RD | Fair | 148.3 ft | 65,200 | 1955 |
| I-75 over Paper Co Water Mains | Fair | 50.9 ft | 63,962 | 1955 |
| I-75 over Norfolk Southern Rr | Fair | 195.5 ft | 63,962 | 1955 |
| I-75 over Cn Gtw & Ns Rrs | Fair | 169.9 ft | 63,766 | 1954 |
| I-75 (nb Ex Ramp) over Laplaisance Creek | Fair | 67.9 ft | 51,000 | 1975 |
| Us-23 over M-50 | Fair | 196.9 ft | 34,524 | 1958 |
| I-75 NB over Plum Creek | Fair | 44.9 ft | 31,883 | 1955 |
| I-75 SB over Plum Creek | Fair | 44.9 ft | 31,883 | 1955 |
| Us-23 over Lockwood Creek | Fair | 20.0 ft | 31,260 | 1959 |
| I-75 NB over Laplaisance Creek | Fair | 34.8 ft | 30,558 | 1954 |
| I-75 SB over Laplaisance Creek | Fair | 34.8 ft | 30,558 | 1954 |
| I-75 SB over Otter Creek | Fair | 240.2 ft | 29,300 | 2024 |
| Us-24 over Raisin River & Elm AVE | Fair | 526.9 ft | 27,951 | 1988 |
| I-75 NB over Swan Creek | Fair | 115.2 ft | 25,163 | 1954 |
| I-75 SB over Swan Creek | Fair | 115.2 ft | 25,163 | 1954 |
| Us-24 over Huron River | Fair | 188.3 ft | 24,306 | 2001 |
| M-125 over Raisin River | Fair | 211.0 ft | 21,209 | 1927 |
| Us-23 NB over Saline River | Fair | 119.8 ft | 19,825 | 1961 |
| Us-23 SB over Saline River | Fair | 119.8 ft | 19,825 | 1948 |
| Us-23 NB over Ten Mile Creek | Fair | 52.8 ft | 19,270 | 1959 |
| Us-23 SB over Ten Mile Creek | Fair | 52.8 ft | 19,270 | 1959 |
| I-275 over N Br Swan Creek | Fair | 36.7 ft | 19,015 | 1973 |
| I-275 over Swan Creek | Fair | 44.0 ft | 19,015 | 1973 |
| I-275 SB over Gtw Rr | Fair | 187.0 ft | 19,015 | 1973 |
| I-275 SB over Conrail | Fair | 145.0 ft | 19,015 | 1973 |
| I-275 NB over Gtw Rr | Fair | 187.0 ft | 19,015 | 1973 |
| I-275 NB over Conrail | Fair | 145.0 ft | 19,015 | 1973 |
| I-275 SB over Newburg RD | Fair | 105.0 ft | 19,015 | 1973 |
| I-275 NB over Newburg RD | Fair | 105.0 ft | 19,015 | 1973 |
| M-125 over Plum Creek | Fair | 54.1 ft | 18,902 | 1985 |
| Us-24 over Sandy Creek | Fair | 34.1 ft | 18,282 | 2006 |
| Us-24 over Csx Rr | Fair | 137.8 ft | 18,282 | 1925 |
| I-275 SB over Telegraph RD (us-24) | Fair | 223.8 ft | 18,279 | 1973 |
| I-275 NB over Telegraph RD (us-24) | Fair | 233.6 ft | 18,279 | 1973 |
| Us-23 NB over N Br Ten Mile Creek | Fair | 31.8 ft | 18,124 | 1959 |
| Us-23 SB over N Br Ten Mile Creek | Fair | 31.8 ft | 18,124 | 1959 |
| Us-24 over Plum Creek | Fair | 36.7 ft | 17,875 | 2000 |
| Us-23 NB over River Raisin | Fair | 250.0 ft | 17,262 | 1958 |
| Us-23 SB over River Raisin | Fair | 250.0 ft | 17,262 | 1958 |
| Us-23 NB over S Br Macon River | Fair | 123.0 ft | 16,735 | 1961 |
| Us-23 SB over S Br Macon River | Fair | 123.0 ft | 16,735 | 1961 |
| Us-23 NB over Middle Br Macon River | Fair | 115.8 ft | 16,735 | 1961 |
| Us-23 SB over Middle Br Macon River | Fair | 115.8 ft | 16,735 | 1961 |
| Us-23 NB over Bear Creek | Fair | 49.9 ft | 16,735 | 1961 |
| Us-23 SB over Bear Creek | Fair | 49.9 ft | 16,735 | 1961 |
| Us-23 NB over N Br Macon River | Fair | 49.9 ft | 16,735 | 1961 |
| Us-23 SB over N Br Macon River | Fair | 49.9 ft | 16,735 | 1961 |
| Us-23 SB over Indiana & Ohio Rr | Fair | 186.0 ft | 16,733 | 1958 |
| I-75NB To I-275NB over I-75 | Fair | 355.6 ft | 15,020 | 1973 |
| North Dixie HWY over I-75 | Fair | 258.9 ft | 15,000 | 1956 |
| Lewis AVE over Indian Creek | Fair | 25.6 ft | 12,430 | 1976 |
| Us-24 over Ann Arbor Rr | Fair | 106.0 ft | 11,702 | 1938 |
| North Dixie HWY over Sandy Creek | Fair | 53.1 ft | 11,338 | 1976 |
| Us-24 over Swan Creek | Fair | 103.0 ft | 10,923 | 1922 |
| M-50 over River Raisin | Fair | 201.8 ft | 9,360 | 1937 |
| Roessler Street over River Raisin | Fair | 319.9 ft | 9,200 | 1970 |
| Us-223 over Us-23 | Fair | 248.0 ft | 8,550 | 1959 |
| North Dixie HWY over Walker Drain | Fair | 25.9 ft | 8,479 | 1988 |
| M-125 over Otter Creek | Fair | 80.4 ft | 8,305 | 1964 |
| Smith Road over Halfway Creek | Fair | 42.7 ft | 8,220 | 1960 |
| M-50 over S Br Macon River | Fair | 54.8 ft | 6,646 | 1953 |
| M-125 I-75 Conn over Little Lake Creek | Fair | 26.2 ft | 6,400 | 1937 |
| Raisinville RD over River Raisin | Fair | 399.9 ft | 5,940 | 1968 |
| E Elm Avenue over Mason Run Drain | Fair | 53.5 ft | 5,435 | 1927 |
| Blue Bush Road over Little Sandy Creek | Fair | 22.0 ft | 5,160 | 1980 |
| Douglas RD over Halfway Creek | Fair | 35.8 ft | 4,326 | 1975 |
| Wabash Street over Saline River | Fair | 65.0 ft | 4,100 | 1937 |
| Laplaisance RD over Plum Creek | Fair | 40.0 ft | 4,010 | 1928 |
| Summit ST over Shantee Creek | Fair | 55.1 ft | 3,680 | 1936 |
| Herr Road over Plum Creek | Fair | 34.8 ft | 3,320 | 1965 |
| Milan Oakville RD over Thayer Drain | Fair | 34.4 ft | 3,200 | 1980 |
| Ann Arbor Road over Macon River | Fair | 134.8 ft | 3,140 | 1947 |
| Grafton Road over Swan Creek | Fair | 44.9 ft | 3,030 | 1926 |
| Old Us-223 over Belle Drain | Fair | 65.6 ft | 2,790 | 2003 |
| Ann Arbor Road over Bear Swamp Creek | Fair | 35.1 ft | 2,766 | 1947 |
| Grafton Road over N Branch Swan Creek | Fair | 34.8 ft | 2,730 | 1926 |
| I-75 &m-125 Conn over I-75 | Fair | 476.0 ft | 2,700 | 1975 |
| Ida Maybee RD over River Raisin | Fair | 254.9 ft | 2,666 | 1958 |
| Ida Maybee RD over Mill Race | Fair | 29.9 ft | 2,666 | 1958 |
| Dunbar Road over Pitts Creek | Fair | 26.9 ft | 2,550 | 1980 |
| Raisinville Road over Mason Run Drain | Fair | 21.3 ft | 2,490 | 1963 |
| Raisinville Road over Willow Run Drain | Fair | 24.6 ft | 2,490 | 1963 |
| Albain Road over Laplaisance Creek | Fair | 34.8 ft | 2,410 | 1955 |
| Cone RD over Us-23 | Fair | 242.8 ft | 2,250 | 1961 |
| Brandon RD over Swan Creek | Fair | 105.0 ft | 2,210 | 1965 |
| Exeter RD over Stony Creek | Fair | 105.0 ft | 2,080 | 1973 |
| Kentucky Avenue over Plum Creek | Fair | 44.9 ft | 2,080 | 1956 |
| Hurd RD over I-75 | Fair | 252.0 ft | 1,970 | 1956 |
| Otter Creek RD over I-75 | Fair | 229.0 ft | 1,875 | 1974 |
| Carleton-rockwood over I-275 | Fair | 347.1 ft | 1,870 | 1973 |
| Sumpterroad over Stony Creek | Fair | 105.0 ft | 1,820 | 1966 |
| Cone RD over North Macon Creek | Fair | 42.0 ft | 1,770 | 1950 |
| Strasburg Road over Pitts Drain | Fair | 28.2 ft | 1,530 | 1975 |
| I-75 Ramp B over I-75 | Fair | 416.0 ft | 1,456 | 1976 |
| Suder Road over Halfway Creek | Fair | 115.5 ft | 1,362 | 1994 |
| Stowell RD over Macon River | Fair | 119.8 ft | 1,300 | 1964 |
| I-275 SB over I-75 | Fair | 271.7 ft | 1,210 | 1973 |
| Bigelow RD over Saline River | Fair | 84.0 ft | 1,180 | 1966 |
| Mentel RD over Stony Creek | Fair | 99.1 ft | 1,047 | 1929 |
| Stone Road over Sandy Creek | Fair | 34.1 ft | 1,038 | 1979 |
| Ida Center RD over Us-23 | Fair | 201.8 ft | 1,030 | 1958 |
| Dixon RD over Us-23 | Fair | 270.0 ft | 980 | 1959 |
| Strasburg Road over Otter Creek | Fair | 33.8 ft | 965 | 1935 |
| Sherman RD over Us-23 | Fair | 208.0 ft | 957 | 1961 |
| Strasburg RD over Lockwood Drain | Fair | 29.9 ft | 937 | 1935 |
| Ostrander RD over Macon Drain | Fair | 49.9 ft | 926 | 1950 |
| Milan-oakville RD over Us-23 | Fair | 142.7 ft | 881 | 1950 |
| Day Road over Macon Drain | Fair | 45.9 ft | 855 | 1960 |
| Ostrander RD over Saline River | Fair | 119.8 ft | 770 | 1970 |
| Ready RD over I-275 | Fair | 288.1 ft | 700 | 1973 |
| Petersburg Road over Little Raisin River | Fair | 29.9 ft | 689 | 1978 |
| Brewer RD over Swamp Raisin Drain | Fair | 43.6 ft | 670 | 1967 |
| Mortar Creek RD over I-75 | Fair | 234.9 ft | 610 | 1974 |
| Section Road over Ottawa Lake Outlet | Fair | 46.9 ft | 532 | 1992 |
| Petersburg RD over So Br Macon DR | Fair | 38.1 ft | 500 | 1958 |
| Petersburg RD over Swamp Raisin Drain | Fair | 40.0 ft | 500 | 1956 |
| Sherman Road over Saline River | Fair | 120.1 ft | 500 | 1981 |
| Newport RD over I-275 | Fair | 328.4 ft | 460 | 1973 |
| Dennison RD over Bear Swamp Creek | Fair | 40.0 ft | 420 | 1997 |
| Dunbar RD over I-75 | Fair | 235.9 ft | 400 | 1955 |
| Newburg Road over N Branch Swan Creek | Fair | 49.9 ft | 400 | 1999 |
| Yax Road over Sandy Creek | Fair | 43.6 ft | 390 | 1982 |
| Cousino RD over Muddy Creek | Fair | 34.8 ft | 380 | 1927 |
| Sigler RD over I-275 | Fair | 288.1 ft | 300 | 1973 |
| Milwaukee RD over Us-23 | Fair | 208.7 ft | 290 | 1961 |
| Cone RD over Milan-macon Drain | Fair | 25.9 ft | 290 | 1970 |
| Post RD over I-75 | Fair | 332.3 ft | 270 | 1975 |
| Brewer RD over Us-23 | Fair | 170.9 ft | 250 | 1959 |
| Gaynier RD over I-75 | Fair | 246.1 ft | 240 | 1974 |
| Colf Road over Swan Creek | Fair | 24.9 ft | 240 | 1995 |
| Rawsonville Road over Stony Creek | Fair | 82.3 ft | 230 | 1984 |
| Douglas Road over Lockwood Drain | Fair | 34.1 ft | 230 | 1960 |
| Sheick Road over Sandy Creek | Fair | 24.6 ft | 230 | 1985 |
| Platt Road over Bear Swamp Creek | Fair | 30.8 ft | 214 | 1950 |
| Jeffs Road over Ottawa Lake Outlet | Fair | 38.7 ft | 191 | 1964 |
| Maxwell Road over Little Swan Creek | Fair | 26.2 ft | 188 | 1986 |
| Doty Road over N Br Willow Run | Fair | 23.0 ft | 180 | 1981 |
| Timbers Road over Stony Creek | Fair | 94.2 ft | 180 | 1978 |
| Davis Road over Little River Raisin | Fair | 48.9 ft | 171 | 1979 |
| Petersburg Road over North Macon Creek | Fair | 38.7 ft | 170 | 1983 |
| Colf Road over Swan Creek | Fair | 22.3 ft | 160 | 1995 |
| Geiger Road over Lockwood Drain | Fair | 22.0 ft | 155 | 1984 |
| Bay Creek Road over Little Lake Creek | Fair | 24.0 ft | 140 | 1955 |
| Martinsville Road over Swan Creek | Fair | 22.6 ft | 129 | 1976 |
| Lenawee Co Line RD over N DR Mid Br Macon R | Fair | 65.0 ft | 110 | 1994 |
| Lenawee Co.line RD over S Branch Macon Drain | Fair | 49.9 ft | 100 | 1950 |
| Hack Road over North Macon Creek | Fair | 36.7 ft | 87 | 1983 |
| Minx Road over N Br Otter Creek | Fair | 26.6 ft | 80 | 1988 |
| Petersburg Road over Milan Center Drain | Fair | 24.0 ft | 80 | 1980 |
| Oelke Road over Saline River | Fair | 119.8 ft | 78 | 1990 |
| Rea Road over North Macon Drain | Fair | 93.8 ft | 67 | 1993 |
| Rea Road over Middle Branch Macon Drai | Fair | 25.9 ft | 65 | 1990 |
| Redman Road over North Macon Creek | Fair | 30.8 ft | 60 | 1987 |
| Hickory Creek DR over Indian Creek Overflow | Fair | 32.2 ft | 60 | 2004 |
| Hiser Road over Middle Branch Macon Drai | Fair | 25.9 ft | 54 | 1990 |
| Hiser Road over Vanderventer Drain | Fair | 23.3 ft | 50 | 1973 |
| Platt Road over Milan Center Drain | Fair | 27.9 ft | 50 | 1980 |
| Petersburg Road over Middle Branch Macon Drai | Fair | 65.9 ft | 40 | 1990 |
| Minx Road over Lockwood Drain | Fair | 22.0 ft | 40 | 1987 |
| Far Road over Macon - Milan Drain | Fair | 25.3 ft | 37 | 1968 |
| Collins Road over North Macon Drain | Fair | 45.9 ft | 21 | 1897 |
| Far Road over North Macon Drain | Fair | 51.8 ft | 20 | 1990 |
| Couper Road over Bear Swamp Creek | Fair | 32.2 ft | 20 | 1950 |
| Blohm Road over Plum Creek | Fair | 24.9 ft | 20 | 1990 |
| North Dixie HWY over Swan Creek | Fair | 119.8 ft | 0 | 1942 |
| I-75 over Ns & Cn Railroad | Good | 346.5 ft | 65,200 | 1956 |
| I-75 over Little Lake Creek | Good | 25.6 ft | 58,900 | 2020 |
| I-75 over Sulphur Creek | Good | 24.6 ft | 58,600 | 2024 |
| I-75 NB over Stony Creek | Good | 173.9 ft | 36,850 | 2015 |
| I-75 SB over Stony Creek | Good | 173.9 ft | 36,850 | 2016 |
| I-75 SB over Huron River | Good | 200.1 ft | 31,814 | 2009 |
| I-75 NB over Otter Creek | Good | 240.2 ft | 30,558 | 2023 |
| I-75 NB over Muddy Creek | Good | 76.1 ft | 30,215 | 2023 |
| I-75 SB over Muddy Creek | Good | 76.1 ft | 29,300 | 2024 |
| I-75 NB over Halfway Creek | Good | 200.1 ft | 27,900 | 2019 |
| I-75 SB over Halfway Creek | Good | 200.1 ft | 27,900 | 2020 |
| I-75 NB over Bay Creek | Good | 60.0 ft | 27,575 | 2019 |
| I-75 SB over Bay Creek | Good | 60.0 ft | 27,575 | 2020 |
| I-75 NB over Gtw Rr | Good | 133.9 ft | 27,575 | 2019 |
| I-75 SB over Gtw Rr | Good | 133.9 ft | 27,575 | 2020 |
| I-75 NB over Bay Creek RD | Good | 113.8 ft | 27,575 | 2019 |
| I-75 SB over Bay Creek RD | Good | 113.8 ft | 27,575 | 2020 |
| I-275 over Little Swan Creek | Good | 20.0 ft | 27,104 | 1968 |
| I-75 NB over Huron River | Good | 200.1 ft | 26,929 | 2009 |
| I-75 NB over Sandy Creek | Good | 98.1 ft | 25,200 | 2015 |
| I-75 SB over Sandy Creek | Good | 98.1 ft | 25,200 | 2016 |
| Us-24 over Little Sandy Creek | Good | 36.1 ft | 22,800 | 2012 |
| Nadeau RD over I-75 | Good | 220.1 ft | 19,950 | 2022 |
| M-125 over Little Sandy Creek | Good | 35.1 ft | 14,211 | 2005 |
| M-125 over Sandy Creek | Good | 35.1 ft | 14,211 | 2005 |
| Newport RD over I-75 | Good | 217.8 ft | 12,400 | 2022 |
| Us-24 over Little Swan Creek | Good | 36.7 ft | 10,923 | 1922 |
| Sterns RD over Ottawa Lake Outlet | Good | 29.9 ft | 10,500 | 1997 |
| North Dixie HWY over Stony Creek | Good | 120.1 ft | 9,388 | 1966 |
| S Huron R DR over I-75 | Good | 253.9 ft | 7,300 | 2008 |
| Us-24 over Little Lake Creek | Good | 27.9 ft | 7,265 | 2018 |
| Vivian RD over Sandy Creek | Good | 32.5 ft | 6,120 | 1976 |
| Macomb Street over River Raisin | Good | 230.0 ft | 5,860 | 1920 |
| Luna Pier RD over I-75 | Good | 258.9 ft | 5,819 | 1956 |
| North Dixie HWY over Little Swan Creek | Good | 22.0 ft | 5,090 | 2002 |
| Winchester Street over River Raisin | Good | 500.0 ft | 4,823 | 1971 |
| Carleton Rockwood over Swan Creek | Good | 105.0 ft | 3,630 | 1964 |
| Laplaisance RD over I-75 | Good | 191.9 ft | 3,500 | 2021 |
| Lewis AVE over Lockwood Drain | Good | 64.0 ft | 3,140 | 2022 |
| Raisinville RD over Plum Creek | Good | 40.0 ft | 3,060 | 2007 |
| Summerfield RD over Us-23 | Good | 215.9 ft | 2,800 | 2017 |
| I-75 & M-125 Conn over Flat Creek | Good | 27.9 ft | 2,600 | 1975 |
| Ann Arbor Road over North Macon Creek | Good | 44.9 ft | 2,378 | 1947 |
| Lavoy Road over Indian Creek | Good | 44.0 ft | 2,150 | 2012 |
| Oakville Waltz RD over Swan Creek | Good | 23.6 ft | 2,126 | 1989 |
| Oakville Waltz RD over Stony Creek | Good | 75.1 ft | 2,124 | 2003 |
| Oakville Waltz RD over Stony Creek Overflow | Good | 60.0 ft | 2,124 | 2003 |
| Seventh Street over French Creek | Good | 27.6 ft | 1,940 | 2008 |
| Summit Street over Halfway Creek | Good | 124.0 ft | 1,912 | 1991 |
| US Turnpike over Mouillee Creek | Good | 62.0 ft | 1,768 | 2006 |
| Sigler RD over Little Swan Creek | Good | 44.0 ft | 1,380 | 1978 |
| Sterns RD over I-75 | Good | 230.0 ft | 1,360 | 2009 |
| Secor RD over Lockwood Drain | Good | 26.9 ft | 1,340 | 2013 |
| Wabash RD over North Macon Creek | Good | 42.0 ft | 1,330 | 1948 |
| Suder Road over Hooper Run Drain | Good | 35.1 ft | 1,329 | 2006 |
| Erie RD over I-75 | Good | 230.0 ft | 1,127 | 2020 |
| Ready Road over Swan Creek | Good | 109.9 ft | 1,110 | 2015 |
| Hurd Road over Sandy Creek | Good | 24.3 ft | 1,090 | 2003 |
| Eastwood Road over Plum Creek | Good | 43.0 ft | 930 | 2017 |
| Petersburg RD over River Raisin | Good | 180.1 ft | 920 | 1959 |
| Ida Center Road over Lockwood Drain | Good | 24.3 ft | 920 | 2021 |
| Cone RD over Warren Lewis Drain | Good | 26.2 ft | 890 | 2004 |
| Carleton West RD over Disbrow Drain | Good | 23.6 ft | 820 | 2003 |
| Cone RD over Milan Center Drain | Good | 23.6 ft | 790 | 2001 |
| Plank RD over Us-23 | Good | 294.0 ft | 770 | 1961 |
| Drew Street over Swan Creek | Good | 49.9 ft | 770 | 2015 |
| Temperance Road over Halfway Creek | Good | 22.0 ft | 700 | 1980 |
| Gruber Road over Sandy Creek | Good | 27.9 ft | 670 | 2001 |
| Sylv Petersburg RD over Ottawa Lake Outlet | Good | 34.8 ft | 590 | 2002 |
| Head-o-lake RD over Ottawa Lake Outlet | Good | 34.1 ft | 570 | 2002 |
| Dennison RD over Middle Branch Macon Drai | Good | 35.1 ft | 484 | 2017 |
| Wilcox Road over South Branch Macon River | Good | 61.4 ft | 460 | 2008 |
| Dennison RD over N DR Mid Br Macon R | Good | 62.0 ft | 430 | 2011 |
| Allen Cove Road over Muddy Creek | Good | 31.5 ft | 355 | 1980 |
| Laplaisance Road over Woodchuck Creek | Good | 58.1 ft | 350 | 2003 |
| Platt Road over North Macon Creek | Good | 40.0 ft | 280 | 1974 |
| Brewer RD over Swamp Raisin Creek | Good | 68.9 ft | 260 | 2009 |
| Swan Creek Road over Little Swan Creek | Good | 23.3 ft | 260 | 1997 |
| Hickory Creek DR over Indian Creek | Good | 36.1 ft | 250 | 2004 |
| Wilcox Road over Mid. Branch Macon Drain | Good | 41.0 ft | 210 | 1976 |
| Finzel Road over Stony Creek | Good | 74.1 ft | 175 | 2023 |
| Finzel Road over Stony Creek Overflow | Good | 34.1 ft | 170 | 2009 |
| Wassanova RD over Laudenschlager Drain | Good | 25.6 ft | 170 | 1981 |
| Burns Road over Swan Creek | Good | 35.1 ft | 157 | 1998 |
| Bay Creek Road over Flat Creek | Good | 22.6 ft | 140 | 1957 |
| Mallard AVE over Little Swan Creek | Good | 22.3 ft | 122 | 2001 |
| Turk Road over Ottawa Lake Outlet | Good | 32.2 ft | 120 | 2005 |
| Exeter Road over Swan Creek | Good | 30.2 ft | 110 | 2002 |
| Dennison Road over Swamp Raisin Creek | Good | 26.6 ft | 80 | 2005 |
| Sweitzer Road over Little Swan Creek | Good | 23.0 ft | 70 | 2019 |
| Hiser Road over North Macon Drain | Good | 51.5 ft | 50 | 1998 |
| Petersburg Road over Bear Swamp Creek | Good | 25.9 ft | 50 | 2007 |
| Labo Road over Swan Creek | Good | 110.9 ft | 20 | 1995 |