| I-96 over Portland Trail | 2013 | 35,000 | Good |
| I-96 over Libhart Creek | 1958 | 33,978 | Fair |
| I-96 EB over Charlotte Hwy | 1959 | 20,074 | Fair |
| I-96 EB over Grand River Ave | 1959 | 20,074 | Fair |
| I-96 EB over Kent Rd | 1959 | 20,074 | Fair |
| I-96 EB over Okemos Rd | 1959 | 20,074 | Fair |
| I-96 WB over Charlotte Hwy | 1959 | 20,074 | Fair |
| I-96 WB over Grand River Ave | 1959 | 20,074 | Fair |
| I-96 WB over Kent Rd | 1959 | 20,074 | Fair |
| I-96 WB over Okemos Rd | 1959 | 20,074 | Fair |
| I-96 EB over Portland Rd | 1958 | 19,963 | Fair |
| I-96 WB over Portland Rd | 1958 | 19,963 | Poor |
| M-66 over Grand River | 1948 | 17,638 | Fair |
| I-96 EB over Grand River & Market Rd | 1959 | 14,899 | Fair |
| I-96 WB over Grand River & Market St | 1959 | 14,899 | Fair |
| M-66 NB over I-96 | 1959 | 10,500 | Fair |
| M-66 SB over I-96 | 1959 | 10,500 | Fair |
| M-44 M-91 over Mid Mich RR & Flat River | 1950 | 9,043 | Fair |
| M-21 over Prairie Creek | 1929 | 8,456 | Poor |
| North Bridge St over Grand River-channel | 1977 | 7,300 | Fair |
| W Grand River Ave over Grand River | 1994 | 6,900 | Good |
| M-50 over Tupper River | 1934 | 6,610 | Fair |
| M-21 over Red Creek | 1929 | 5,896 | Fair |
| M-21 over Bellany Creek | 1930 | 5,147 | Fair |
| M-21 over Toles Creek | 1929 | 5,100 | Good |
| Bridge St over Flat River | 2005 | 4,777 | Good |
| Cleveland Street over Grand River | 2013 | 4,512 | Good |
| Division Street over Lake Creek | 1986 | 3,333 | Good |
| M-50 over Duck Creek | 2002 | 3,306 | Good |
| M-21 over Maple River | 1929 | 2,533 | Poor |
| M-21 over Stoney Creek | 1929 | 2,533 | Fair |
| Divine Highway over Lookingglass River | 1979 | 2,494 | Poor |
| Hastings Road over Duck Creek | 2018 | 2,430 | Good |
| Jordan Lake Rd over I-96 | 1958 | 2,425 | Fair |
| S Bridge Street over Grand River | 1975 | 2,000 | Fair |
| David Highway over Grand River | 1968 | 1,900 | Fair |
| Ashfield St over Flat River | 1994 | 1,733 | Good |
| Old M-91 over Connors Pond Splwy | 1928 | 1,733 | Fair |
| David Hwy over Libhart Creek | 2016 | 1,550 | Good |
| David Hwy over Sessions Creek | 1930 | 1,537 | Fair |
| Riverside Drive over Libhart Creek | 2014 | 1,393 | Good |
| David Highway over Carbaugh-e Libbart Drain | 1992 | 1,381 | Fair |
| Long Lake Rd over Flat River | 2014 | 1,367 | Good |
| Button Rd over Flat River | 1982 | 1,357 | Fair |
| West Riverside Dr over Sessions Creek | 1963 | 1,348 | Fair |
| South Bridge St N over Lake Creek | 1987 | 1,333 | Fair |
| South Bridge St S over Lake Creek | 1987 | 1,333 | Fair |
| Long Lake Road over Dickerson Creek | 2020 | 1,300 | Good |
| Washington Road over Fish Creek | 1988 | 1,250 | Fair |
| Kent Street over Grand River | 2002 | 1,222 | Good |
| Hubbardston Road over Stoney Creek | 1959 | 1,201 | Fair |
| Grand River Avenue over Lake Creek | 1926 | 1,196 | Fair |
| Hastings Road over Tyler Creek | 2008 | 1,183 | Good |
| Hubbardston Rd over Maple River | 2000 | 1,170 | Good |
| Washington Road over Fish Creek Race | 1988 | 1,140 | Good |
| Bridge Street over Grand River | 1890 | 1,100 | Fair |
| Grand River Avenue over Libhart Creek | 1936 | 1,093 | Poor |
| Stage Rd over Prairie Creek | 1959 | 1,036 | Fair |
| Keefer Hwy over Sebewa Creek | 2014 | 971 | Good |
| Borden Road over Stoughton Creek | 2002 | 907 | Good |
| Portland Road over Morrison Lake Drain | 2011 | 904 | Good |
| Cutler Road over Looking Glass River | 2022 | 877 | Good |
| Cutler Rd over I-96 | 2019 | 830 | Good |
| East Main Street over Prairie Creek | 1994 | 805 | Good |
| Summit Street over Lake Creek | 1995 | 777 | Good |
| Main St over Flat River | 2014 | 748 | Good |
| Obrien Road over Stougton Creek | 1973 | 693 | Fair |
| Keefer Hwy over Sebewa Creek | 1993 | 664 | Good |
| Prairie Street over Maple River | 2015 | 600 | Good |
| Nickle Plate Rd over Prairie Creek | 1949 | 589 | Fair |
| Van Vleck Road over Prairie Creek | 1961 | 549 | Fair |
| Knox Rd over I-96 | 1959 | 530 | Fair |
| Charlotte Highway over Grand River | 2001 | 510 | Fair |
| Prairie Creek Road over Prairie Creek | 2004 | 490 | Good |
| Borden Rd over Prairie Creek | 1927 | 462 | Poor |
| Musgrove Hwy over Sebewa Creek | 1965 | 441 | Fair |
| Nickle Plate Rd over Maple River Flood | 1983 | 404 | Poor |
| Nash Hwy over I-96 | 1959 | 400 | Fair |
| Prairie Creek Road over Prairie Creek | 1971 | 326 | Fair |
| Jackson Road over Unnamed Creek | 1993 | 321 | Poor |
| Keefer Rd over I-96 | 1958 | 320 | Fair |
| Morrison Lake Rd over I-96 | 1958 | 300 | Fair |
| Peck Lake Road over Lake Creek | 1973 | 297 | Fair |
| Ellison Road over Holmes & Spears Drain | 2014 | 250 | Good |
| Macarthur Road over Lake Creek | 1997 | 250 | Good |
| Prairie Creek Road over Prairie Creek | 1979 | 227 | Fair |
| Russell Road over Tupper Creek | 1985 | 204 | Good |
| Peake Rd over I-96 | 1958 | 200 | Fair |
| Westbrook Road over Prairie Creek | 1985 | 196 | Fair |
| Roberts Road over Tupper Creek | 1988 | 193 | Fair |
| Sunfield Rd over I-96 | 1959 | 190 | Fair |
| Campbell Road over Duck Creek | 1989 | 176 | Fair |
| Charles Road over Prairie Creek | 1989 | 159 | Fair |
| Reeder Road over Libhart Creek | 1975 | 152 | Poor |
| Welch Road over Prairie Creek | 1995 | 145 | Good |
| Whites Bridge Rd over Flat River | 1867 | 144 | Fair |
| Hastings Rd over I-96 | 1958 | 140 | Fair |
| Tupper Lake Road over Sebewa Creek | 1973 | 140 | Fair |
| Bonanza Road over Tupper Creek | 1973 | 135 | Fair |
| Sunfield Highway over Libhart Creek | 1986 | 134 | Good |
| Peck Lake Road over Libhart Creek | 1982 | 128 | Poor |
| Huddle Road over Tupper Creek | 1923 | 123 | Poor |
| Nickle Plate Rd over Maple River | 1983 | 123 | Fair |
| Wagar Road over Stoney Creek | 1987 | 122 | Good |
| Stoudt Rd over Fish Creek | 1985 | 116 | Fair |
| Goodwin Road over Libhart Creek | 1982 | 112 | Fair |
| Peck Lake Road over County Drain | 1982 | 108 | Fair |
| Lyle Road over Bellamy Creek | 2005 | 107 | Good |
| Dumon Road over Mille Race | 1999 | 102 | Good |
| Cowman Road over Stougton Creek | 1999 | 101 | Fair |
| Bippley Road over Sebewa Creek | 2003 | 99 | Good |
| Gold Lake Road over Seeley Creek | 1973 | 99 | Fair |
| Maple Road over County Drain | 1975 | 78 | Fair |
| Shuman Road over Sebewa Creek | 2000 | 74 | Fair |
| Sanders Road over Mud Creek | 2001 | 67 | Fair |
| Bell Road over Duck Creek | 1970 | 40 | Poor |
| Clinton Trail over Duck Creek | 1928 | 38 | Fair |
| Dildine Road over Bellamy Creek | 1994 | 29 | Fair |