| SR 31 & 53 S Main over Scioto River # | 1968 | 9,687 | Good |
| Usr 68 over Taylor Creek | 1962 | 8,002 | Good |
| US68/SR67S.DETROIT over Scioto River # | 1983 | 7,361 | Good |
| SR 309 over Conrail Railroad | 1941 | 7,134 | Good |
| Usr 68 over Cessna Creek | 1988 | 5,889 | Fair |
| SR 235 over Hog Creek | 1989 | 4,748 | Good |
| SR 31 over Panther Creek | 1941 | 4,611 | Good |
| SR 31 over Gander Run | 2000 | 4,514 | Good |
| SR 31 over Wolf Creek | 1967 | 4,514 | Fair |
| SR 117 & 235 Main over Scioto River | 1988 | 4,448 | Fair |
| Wayne Street over Scioto River | 1988 | 3,000 | Fair |
| SR 53 over Bloom Ditch | 1983 | 2,054 | Good |
| SR 53 over the Outlet | 1970 | 2,054 | Good |
| SR 67 over Reevhorn Run | 1983 | 1,723 | Good |
| SR 67 over Tymochtee Creek | 1983 | 1,723 | Fair |
| SR-67 over Little Tymochtee Creek | 2008 | 1,723 | Good |
| SR 67 over Silver Creek | 1983 | 1,698 | Good |
| County Road 140 over Gander Run | 1971 | 1,629 | Good |
| SR 292 over Panther Creek | 1999 | 1,579 | Good |
| SR 235 over Cottonwood Ditch | 1998 | 1,476 | Good |
| SR 235 over Elder Creek | 1996 | 1,476 | Good |
| Leighton Street over Scioto River | 1993 | 1,463 | Poor |
| SR 292 over Painter Creek | 1993 | 1,436 | Good |
| SR 292 over Wolf Creek | 1993 | 1,436 | Good |
| County Road 175 over Scioto River | 1965 | 1,110 | Fair |
| County Road 175 over Blanchard River | 2012 | 1,109 | Good |
| County Road 175 over Blanchard River Lat | 1966 | 1,109 | Fair |
| County Road 175 over McElree Ditch | 1940 | 1,109 | Good |
| SR 81 over Hog Creek | 1966 | 1,055 | Fair |
| Township Road 179 over Scioto River | 1999 | 951 | Good |
| County Road 35 over Cottonwood Ditch | 1933 | 916 | Fair |
| County Road 35 over Ellis Ditch | 2019 | 916 | Good |
| County Road 65 over Shanks Ditch | 2003 | 833 | Good |
| County Road 44 over Grass Run | 1957 | 831 | Good |
| SR 195 Courtright over Cottonwood Ditch # | 1967 | 766 | Good |
| County Road 110 over Flat Branch | 2002 | 744 | Fair |
| County Road 110 over Newland Ditch | 2005 | 744 | Good |
| County Road 110 over Scioto River | 2011 | 744 | Good |
| SR 273 over Branch of Panther Creek | 1948 | 743 | Fair |
| SR 273 over Branch of Panther Creek | 1948 | 743 | Fair |
| SR 273 over Intermittent Waterway | 1948 | 743 | Fair |
| SR 67 over Scioto River | 1966 | 739 | Good |
| SR 67 over Taylor Creek | 2000 | 739 | Good |
| County Road 130 over Botchlett Ditch | 1979 | 724 | Good |
| County Road 130 over Paden Run | 1972 | 724 | Good |
| County Road 130 over Scioto River | 1922 | 724 | Fair |
| SR 81 over Blanchard River | 1963 | 695 | Good |
| SR 81 over Shallow Run | 1977 | 695 | Fair |
| SR 81 over the Outlet | 1995 | 695 | Good |
| County Road 65 over Scioto River | 2006 | 654 | Good |
| SR 385 over Scioto River | 1965 | 611 | Good |
| County Road 209 over Panther Creek | 1968 | 557 | Poor |
| County Road 230 over South Wildcat Creek | 1951 | 533 | Fair |
| CR 15 over Mud Run | 1970 | 530 | Good |
| County Road 15 over Canaan | 1981 | 530 | Good |
| County Road 15 over Hog Creek | 1983 | 530 | Good |
| County Road 15 over Shrider Ditch | 2016 | 530 | Good |
| County Road 15 over Stream | 2009 | 530 | Good |
| SR 81 over Grass Run | 1983 | 527 | Good |
| County Road 75 over North Fork of Miami Rive | 1960 | 507 | Good |
| County Road 60 over Mud Run | 2003 | 495 | Good |
| County Road 75 over Sponsler Ditch | 2014 | 484 | Good |
| County Road 75 over Sponsler Ditch | 2012 | 484 | Good |
| County Road 15 over Scioto River | 2020 | 478 | Good |
| County Road 15 over Holden Joint Ditch | 2014 | 477 | Good |
| County Road 150 over Bader Ditch | 1984 | 477 | Good |
| County Road 150 over Williams Ditch | 1980 | 477 | Fair |
| County Road 167 over Blanchard River | 1932 | 477 | Poor |
| County Road 183 over Blanchard River | 1988 | 477 | Good |
| County Road 219 over Ash Run | 1961 | 477 | Fair |
| County Road 219 over Wildcat Creek | 1970 | 477 | Good |
| County Road 240 over Wildcat Creek | 1997 | 477 | Good |
| County Road 245 over Kasler Ditch 1064 | 2000 | 477 | Good |
| County Road 25 over Scioto River | 1922 | 477 | Poor |
| County Road 80 over Blanchard River | 1956 | 477 | Fair |
| County Road 80 over Blanchard River | 1987 | 477 | Good |
| County Road 80 over Cessna Creek | 1971 | 477 | Good |
| County Road 205 over Stream of Water | 2024 | 452 | Good |
| County Road 205 over the Outlet (buess Ditch) | 2022 | 452 | Good |
| County Road 240 over Ridgeway Joint | 1991 | 451 | Good |
| County Road 92 over Cottonwood Ditch | 2020 | 438 | Good |
| County Road 30 over Miller Ditch | 2020 | 391 | Good |
| County Road 150 over Scioto River | 1963 | 386 | Good |
| County Road 84 over Blanchard River | 1972 | 386 | Good |
| County Road 84 over Oates Ditch | 1991 | 386 | Good |
| County Road 150 over Ewing Ditch 974 | 1983 | 385 | Good |
| County Road 150 over Mccoy Run | 1981 | 385 | Good |
| County Road 205 over Little Tymochtee Creek | 1966 | 385 | Fair |
| County Road 205 over Reevehorn Run | 1928 | 385 | Fair |
| County Road 219 over Panther Creek | 1967 | 385 | Good |
| County Road 70 over Blanchard River | 1900 | 385 | Poor |
| County Road 70 over Cessna Creek | 1975 | 385 | Fair |
| County Road 135 over Cessna Creek | 1963 | 381 | Fair |
| County Road 135 over Cessna Creek | 2013 | 381 | Good |
| County Road 200 over Naylor Stream | 1999 | 379 | Good |
| County Road 50 over Grass Run | 2019 | 377 | Good |
| County Road 155 over Taylor Creek | 2017 | 365 | Good |
| County Road 15 over Scioto River | 2019 | 351 | Good |
| Township Road 105 over Miller Ditch 1071 | 2017 | 351 | Good |
| Township Road 179 over Wolf Creek | 1910 | 351 | Fair |
| Township Road 180 over Gander Run | 1977 | 351 | Fair |
| Township Road 190 over Garwood Run | 2018 | 351 | Good |
| Township Road 195 over Wolf Creek | 1931 | 351 | Fair |
| Township Road 265 over Garwood Run | 1993 | 351 | Good |
| Township Road 265 over Jims Creek | 1966 | 351 | Good |
| Township Road 39 over Scioto River | 1976 | 351 | Good |
| Township Road 41 over Hog Creek | 1954 | 351 | Fair |
| Township Road 50 over Liebold Ditch | 2000 | 351 | Good |
| Township Road 50 over Weber Ditch | 2016 | 351 | Good |
| Township Road 60 over Blanchard River | 1970 | 351 | Good |
| Township Road 80 over Sams Ditch | 1981 | 351 | Fair |
| Township Road 85 over Mathews Ditch | 1918 | 351 | Fair |
| Township Road 85 over Newcomer Lateral | 1952 | 351 | Fair |
| Township Road 90 over Cessna Creek | 2013 | 351 | Good |
| County Road 110 over Daniels Ditch | 1997 | 350 | Good |
| County Road 110 over Sheldon Ditch | 2010 | 350 | Good |
| County Road 215 over Reevehorn Run | 1970 | 350 | Good |
| County Road 195 over Scioto River | 1990 | 325 | Good |
| Township Road 195 over Waterway | 2022 | 325 | Good |
| Township Road 235 over Morris Ditch | 2023 | 325 | Good |
| Township Road 46 over Tow Ditch | 2024 | 325 | Good |
| Township Road 50 over Mckinstry #788 Ditch | 2021 | 325 | Good |
| CR 64 over Blanchard River | 2001 | 324 | Good |
| Township 183 over the Outlet | 1973 | 324 | Fair |
| Township 230 over Mcdonald Creek | 1974 | 324 | Good |
| Township Road 104 over Little Tymochtee | 1972 | 324 | Fair |
| Township Road 120 over Mccoy Run | 1900 | 324 | Fair |
| Township Road 120 over Paw Paw Run | 1958 | 324 | Good |
| Township Road 135 over Scioto River | 1991 | 324 | Fair |
| Township Road 135 over Silver Creek | 1934 | 324 | Poor |
| Township Road 146 over Jim Creek | 1900 | 324 | Fair |
| Township Road 146 over Panther Creek | 2003 | 324 | Good |
| Township Road 146 over Wolf Creek | 1998 | 324 | Good |
| Township Road 150 over Elder Creek | 1975 | 324 | Fair |
| Township Road 17 over Scioto River | 1978 | 324 | Good |
| Township Road 179 over Panther Creek | 1964 | 324 | Fair |
| Township Road 180 over Beaver Pond Ditch | 2005 | 324 | Good |
| Township Road 180 over Scioto River | 1971 | 324 | Fair |
| Township Road 180 over Silver Creek | 1965 | 324 | Fair |
| Township Road 180 over Taylor Creek | 1910 | 324 | Fair |
| Township Road 189 over Elsasser Ditch | 1931 | 324 | Good |
| Township Road 190 over North Fork of Miami Rive | 1981 | 324 | Good |
| Township Road 195 over Garwood Ditch | 1973 | 324 | Good |
| Township Road 195 over Panther Creek | 1973 | 324 | Good |
| Township Road 199 over Scioto River | 1994 | 324 | Good |
| Township Road 199 over Wolf Creek | 1998 | 324 | Good |
| Township Road 200 over North Fork of Miami Rive | 1967 | 324 | Fair |
| Township Road 205 over Range Ditch | 1983 | 324 | Fair |
| Township Road 209 over Dickson Jt Co Ditch | 2018 | 324 | Good |
| Township Road 22 over Dunlap Ditch | 1914 | 324 | Poor |
| Township Road 245 over Paw Paw Run | 1937 | 324 | Good |
| Township Road 245 over Scioto River | 1958 | 324 | Fair |
| Township Road 245 over South Wildcat Creek | 1964 | 324 | Fair |
| Township Road 245 over Wildcat Creek | 1996 | 324 | Good |
| Township Road 30 over Grass Run | 1976 | 324 | Poor |
| Township Road 30 over Hog Creek | 1952 | 324 | Good |
| Township Road 30 over Mckinstry Ditch | 2005 | 324 | Good |
| Township Road 30 over Reis Ditch | 1982 | 324 | Good |
| Township Road 30 over Willeke Ditch | 2004 | 324 | Good |
| Township Road 40 over Shallow Run | 1968 | 324 | Good |
| Township Road 47 over Naylor Ditch | 2012 | 324 | Good |
| Township Road 50 over Bamberg Ditch | 1983 | 324 | Good |
| Township Road 50 over Hog Creek | 1996 | 324 | Good |
| Township Road 50 over Hydraulic Ditch | 1983 | 324 | Good |
| Township Road 50 over Mathews Ditch | 1922 | 324 | Fair |
| Township Road 56 over Blanchard River | 1977 | 324 | Fair |
| Township Road 74 over Little Tymochtee | 1915 | 324 | Fair |
| Township Road 85 over Ditch No. 2 Lateral | 1994 | 324 | Good |
| Township Road 85 over Ireton 788 | 1972 | 324 | Good |
| Township Road 85 over Searson Ditch | 1940 | 324 | Poor |
| Township Road 90 over Little Tymochtee | 1997 | 324 | Good |
| Township Road 90 over Reelhorn Run | 1914 | 324 | Fair |
| Twp Road 120 over Laubis Ditch | 1996 | 324 | Good |
| County Road 190 over Jims Creek | 2023 | 295 | Good |
| County Road 106 over Mccoy Run | 2024 | 292 | Good |
| County Road 90 over Cessna Creek | 1948 | 292 | Good |
| County Road 106 over Scioto River | 1974 | 291 | Good |
| County Road 65 over Ditch Twenty Eight | 1983 | 288 | Good |
| County Road 65 over Hog Creek | 1931 | 288 | Good |
| County Road 265 over Paw Paw Run | 2000 | 272 | Good |
| County Road 65 over North Fork | 2023 | 267 | Good |
| County Road 190 over Ash Run | 2023 | 265 | Good |
| County Road 65 over Mcintire Ditch | 1957 | 265 | Poor |
| County Road 190 over Wildcat Creek | 2021 | 263 | Good |
| County Road 190 over Panther Creek | 1964 | 262 | Fair |
| County Road 190 over Wildcat Creek | 1930 | 262 | Fair |
| County Road 190 over Wildcat Creek | 1900 | 262 | Fair |
| County Road 265 over Scioto River | 1973 | 259 | Fair |
| County Road 265 over Wolf Creek | 1989 | 259 | Good |
| County Road 95 over Mccoy Run 937 | 2020 | 245 | Good |
| County Road 95 over Mccoy Run | 1997 | 244 | Good |
| Township Road 125 over Cessna Creek | 1977 | 242 | Good |
| Township Road 115 over Scioto River | 2003 | 241 | Good |
| Township Road 55 over Grass Run | 1976 | 235 | Good |
| Township Road 55 over Harpster #1082 Ditch | 2021 | 230 | Good |
| County Road 195 over Little Tymochtee | 1969 | 228 | Good |
| Township Road 55 over Bader Ditch | 1992 | 228 | Good |
| Township Road 55 over Grass Run | 1934 | 228 | Poor |
| Township Road 55 over Grass Run | 1989 | 228 | Good |
| County Road 30 over Baertsche Ditch | 1992 | 225 | Good |
| Township Road 25 over Hog Creek | 1984 | 217 | Good |
| County Road 90 over Blanchard River | 2023 | 216 | Good |
| County Road 90 over Deardorf Ditch | 1996 | 215 | Good |
| County Road 130 over Mccoy Run | 2000 | 204 | Good |
| County Road 130 over Scioto River | 1979 | 204 | Fair |
| County Road 130 over Sponsler Ditch | 1965 | 204 | Good |
| County Road 200 over Bowers Ditch | 1991 | 204 | Fair |
| County Road 200 over Taylor Creek | 1991 | 204 | Fair |
| County Road 200 over Wolf Creek | 1955 | 204 | Good |
| County Road over Elder Creek | 2006 | 204 | Good |
| County Road 200 over Silver Creek | 2021 | 201 | Good |
| Township Road 217 over Wildcat Creek | 1979 | 200 | Good |
| County Road 190 over Scioto River | 1969 | 199 | Good |
| County Road 30 over Hydraulic Ditch | 1991 | 195 | Good |
| County Road 14 over Hydraulic Ditch | 1957 | 194 | Fair |
| County Road 95 over Scioto River | 1922 | 190 | Fair |
| County Road 120 over Crevison Ditch | 1998 | 180 | Good |
| Township Road 110 over Bloom Ditch | 2022 | 180 | Good |
| Township Road 110 over Kurtz Ditch | 1994 | 179 | Good |
| County Road 90 over Bloom Ditch 1043 | 2018 | 169 | Good |
| County Road 190 over Taylor Creek | 1958 | 167 | Poor |
| County Road 215 over Little Tymochtee | 1993 | 165 | Fair |
| County Road 20 over Blanchard River | 1963 | 162 | Fair |
| County Road 60 over Grass Run Ditch | 1962 | 159 | Good |
| County Road 75 over Hog Creek | 2023 | 158 | Good |
| Township Road 179 over Panther Creek | 1928 | 155 | Fair |
| Township Road 19 over Elder Creek | 1917 | 155 | Fair |
| Township Road 255 over Mcdonald Creek | 1977 | 150 | Fair |
| County Road 21 over Frederick at Co. Ditch | 1995 | 140 | Fair |
| County Road 60 over Stoll Ditch 788 | 1950 | 136 | Good |
| County Road 60 over Stream | 1972 | 135 | Good |
| County Road 60 over Tile Ditch Overflow | 1994 | 135 | Fair |
| County Road 190 over Silver Creek | 1987 | 133 | Good |
| County Road 75 over Ditch Twenty Eight | 1985 | 129 | Good |
| County Road 75 over Fitchu Ditch | 1918 | 129 | Fair |
| County Road 75 over Lehr Ditch | 1938 | 129 | Poor |
| County Road 75 over Powell Ditch | 2010 | 129 | Good |
| County Road 75 over Shanks Ditch | 1997 | 129 | Fair |
| County Road 75 over Shanks Ditch | 1979 | 129 | Good |
| County Road 14 over Bosse Joint Ditch | 1999 | 128 | Good |
| Township Road 119 over Lowe Ditch | 1973 | 124 | Fair |
| County Road 95 over Ditch Twenty Eight | 2018 | 123 | Good |
| County Road 95 over Hog Creek Ditch | 1920 | 123 | Fair |
| County Road 95 over Ireton Ditch | 2005 | 123 | Good |
| County Road 60 over Cessna Creek Lateral | 1971 | 118 | Poor |
| County Road 200 over South Wildcat Creek | 1966 | 112 | Good |
| Township Road 25 over Newland Ditch | 1971 | 112 | Good |
| County Road 200 over Panther Creek | 1969 | 111 | Good |
| County Road 200 over Wildcat Creek | 2016 | 111 | Good |
| Township Road 55 over Grass Run | 1937 | 110 | Poor |
| Township Road 55 over Grass Run | 1959 | 110 | Fair |
| Township Road 55 over Hog Creek | 1995 | 110 | Good |
| County Road 227 over Ash Run | 2022 | 87 | Good |
| County Road 227 over Scioto Overflow | 2014 | 86 | Good |
| County Road 227 over Scioto River | 2015 | 86 | Good |
| County Road 159 over Baertsche Ditch | 1994 | 81 | Fair |
| County Road 159 over Shallow Run | 1957 | 81 | Good |
| County Road 159 over Warmbrod | 1992 | 81 | Fair |
| Township Road 65 over Bader Ditch | 1985 | 65 | Fair |
| Township Road 65 over Ritter Ditch | 2004 | 65 | Fair |
| Township Road 169 over Faucett Ditch | 2015 | 61 | Good |
| Township Road 197 over Panther Creek | 1957 | 56 | Good |
| Township Road 100 over Blanchard River | 1976 | 55 | Good |
| Township Road 100 over Bloom Ditch | 1979 | 54 | Fair |
| Township Road 100 over Oates Ditch | 2001 | 54 | Good |
| Township Road 100 over Reelhorn Run | 1970 | 54 | Good |
| Township Road 215 over Paw Paw Run | 2021 | 45 | Good |
| Township Road 184 over Taylor Creek | 2012 | 40 | Good |
| Township Road 133 over Taylor Creek | 1998 | 39 | Fair |
| Township Road 210 over North Fork of Miami Rive | 1996 | 33 | Good |
| Township Road 210 over Taylor Creek Lateral | 1997 | 33 | Good |
| Township Road 100 over Branstetter Ditch | 2002 | 20 | Good |
| Township Road 165 over Baertsche Ditch | 2024 | 18 | Good |
| Township Road 165 over Blanchard River | 1970 | 16 | Good |
| Township Road 165 over Blanchard River | 1995 | 16 | Good |
| Township Road 165 over Blanchard River | 1995 | 16 | Good |
| Township Road 165 over Lease Ditch | 1927 | 16 | Fair |