| I.r. 90 over over W Reserve Greenwy T | 2013 | 24,635 | Good |
| US 20 over over Atb-sr 11-26.86 | 1963 | 17,550 | Good |
| US 20 over Ashtabula Viaduct | 2000 | 14,871 | Fair |
| I.r. 90 over Ashtabula River | 1959 | 12,705 | Good |
| I.r. 90 over Ashtabula River | 1959 | 12,705 | Good |
| Ir 90 over over Norfolk Southern RR | 1959 | 12,705 | Good |
| Ir 90 over over Norfolk Southern RR | 1959 | 12,705 | Good |
| I.r. 90 over Conneaut Creek | 1960 | 12,418 | Good |
| I.r. 90 over Conneaut Creek | 1960 | 12,418 | Good |
| I.r. 90 over over S Ridge Rd Cr-22 | 1960 | 12,418 | Fair |
| I.r. 90 over over S Ridge Rd Cr-22 | 1960 | 12,418 | Fair |
| I.r. 90 over over Forman Rd Tr-230 | 1960 | 12,318 | Good |
| I.r. 90 over over Forman Rd Tr-230 | 1960 | 12,318 | Good |
| US 20 over over Norfolk Southern RR | 1965 | 12,153 | Good |
| I.r. 90 over over B&le Railroad | 1960 | 11,057 | Good |
| I.r. 90 over over B&le Railroad | 1960 | 11,057 | Good |
| I.r. 90 over over Furnace Rd Cr-426 | 1960 | 11,057 | Fair |
| I.r. 90 over over Furnace Rd Cr-426 | 1960 | 11,057 | Fair |
| SR 45 over Coffee Creek | 2020 | 9,100 | Good |
| SR 534 over over Atb-ir 90-2.94 | 1959 | 9,026 | Good |
| US 20 over Unknown Creek | 2016 | 9,000 | Good |
| SR 45 over over Atb-ir 90-7.99 | 2001 | 8,847 | Good |
| US 20 over Cowles Creek | 2005 | 7,880 | Good |
| US 20 over Wheeler Creek | 1936 | 7,402 | Good |
| SR 7 over Conneaut Creek | 1959 | 6,946 | Good |
| US 20 over over Norfolk Southern RR | 2015 | 6,798 | Good |
| SR 531 over Ashtabula River | 1925 | 6,767 | Fair |
| SR 531 over over Norfolk Southern RR | 1961 | 6,767 | Good |
| US 322 over Rock Creek | 1988 | 5,998 | Fair |
| SR 11 over Ashtabula River | 1961 | 5,844 | Good |
| SR 11 over Ashtabula River | 1961 | 5,844 | Good |
| SR 46 over Mill Creek | 1962 | 5,825 | Fair |
| SR 84 over Ashtabula River | 1986 | 5,783 | Good |
| E 24TH Street over Ashtabula River | 1965 | 5,750 | Fair |
| SR 84 over over SR 46 & 11 | 1963 | 5,675 | Fair |
| US 20 over Conneaut Creek & B&le RR | 2004 | 5,335 | Good |
| US 322 over Grand River | 1953 | 4,954 | Fair |
| SR 307 over Center Creek | 1988 | 4,932 | Good |
| SR 307 over Mill Creek | 1932 | 4,932 | Fair |
| SR 534 over Grand River | 1959 | 4,866 | Fair |
| SR 84 over over Atb-ir 90-20.10 | 1960 | 4,530 | Fair |
| SR 45 over Mill Creek | 1953 | 4,400 | Good |
| SR 531 over Whitman Creek | 1952 | 4,221 | Fair |
| 21ST Street Tr 399 over SR 11 | 1963 | 4,143 | Fair |
| West Avenue over Conrail RR | 1969 | 4,139 | Good |
| West Avenue over Norfolk S. Railroad | 2007 | 4,139 | Good |
| SR 45 over East Br Indian Creek | 2004 | 4,122 | Good |
| Austin Road over CSX RR | 2008 | 4,041 | Good |
| SR 531 over Red Brook | 1994 | 4,034 | Good |
| SR 11 over over CSX Transportation | 1963 | 3,873 | Good |
| SR 11 over over CSX Transportation | 1963 | 3,873 | Good |
| SR 11 over over State Rd Cr-25 | 1963 | 3,873 | Good |
| SR 11 over over State Rd Cr-25 | 1963 | 3,873 | Good |
| SR 45 over Center Creek | 1960 | 3,815 | Good |
| SR 45 over Rock Creek | 1985 | 3,815 | Good |
| SR 45 over Three Brothers Creek | 1984 | 3,815 | Fair |
| SR 45 over Three Brothers Creek | 1978 | 3,815 | Fair |
| SR 45 over Three Brothers Creek | 1978 | 3,815 | Fair |
| US 322 over Phelps Creek | 1932 | 3,621 | Good |
| SR 85 over Br Pymatuning Creek | 1940 | 3,399 | Good |
| SR 85 over Br Pymatuning Creek | 1940 | 3,399 | Fair |
| SR 11 over Br Griggs Creek | 1969 | 3,383 | Fair |
| SR 11 over Br Griggs Creek | 1969 | 3,383 | Fair |
| SR 11 over Griggs Creek | 1969 | 3,383 | Fair |
| SR 11 over Griggs Creek | 2011 | 3,383 | Fair |
| SR 11 over over Atb Carson & Jef RR | 1969 | 3,383 | Good |
| SR 11 over over Atb Carson & Jef RR | 1969 | 3,383 | Good |
| SR 11 over over Atb-ir 90-13.61 | 1959 | 3,263 | Good |
| SR 11 over over Atb-ir 90-13.63 | 1959 | 3,263 | Good |
| SR 534 over Br Cowles Creek | 1955 | 3,235 | Fair |
| SR 534 over Br Cowles Creek | 1934 | 3,235 | Good |
| SR 46 over over Atb-sr 11-22.06 | 1961 | 3,195 | Fair |
| US 6 over Pymatuning Creek | 1949 | 3,137 | Fair |
| US 6 over Rock Creek | 1949 | 3,100 | Good |
| N. Poplar St. over Trib. Mill Creek | 1980 | 3,000 | Fair |
| SR 167 over over Atb-sr 11-17.41 | 1975 | 2,959 | Fair |
| SR 167 over Mill Creek | 1947 | 2,926 | Good |
| SR 11 over Mill Creek | 1969 | 2,908 | Good |
| SR 11 over Mill Creek | 1969 | 2,908 | Good |
| Parish Road over Norfolk Southern RR | 2006 | 2,880 | Good |
| US 6 over Hoskins Creek | 1900 | 2,812 | Good |
| US 322 over Mosquito Creek | 1953 | 2,799 | Fair |
| SR 84 over Br Cowels Creek | 1962 | 2,798 | Good |
| SR 7 over Conneaut Creek | 2004 | 2,705 | Good |
| US 6 over Grand River | 1986 | 2,705 | Fair |
| US 6 over Mud Creek | 2004 | 2,705 | Good |
| SR 307 over Coffee Creek | 1988 | 2,419 | Good |
| NB SR 7 over Atb-ir 90-25.78 | 1960 | 2,413 | Fair |
| SR 7 over over Atb-ir 90-25.76 | 1960 | 2,413 | Good |
| US 6 over over Atb-sr 11-7.39 | 1978 | 2,410 | Good |
| US 322 over over Atb-sr 11-2.49 | 1977 | 2,313 | Good |
| SR 85 over Pymatuning Reservoir | 2003 | 2,306 | Good |
| SR 534 over Trumbull Creek | 1993 | 2,295 | Good |
| SR 7 over East Br Ashtabula River | 1977 | 2,193 | Fair |
| State Road CR 25 over SR 11 | 1960 | 2,157 | Fair |
| US 6 over Br Ashtabula River | 1988 | 2,103 | Good |
| US 6 over Gravel Run | 1991 | 2,103 | Good |
| State Road over Ashtabula River | 2008 | 2,054 | Good |
| SR 307 over Atb-sr 11-14.00 | 1975 | 2,048 | Fair |
| SR 193 over Ashtabula River | 1931 | 2,039 | Good |
| SR 193 over Griggs Creek | 1991 | 2,039 | Fair |
| SR 193 over Griggs Creek | 2005 | 2,039 | Good |
| SR 531 over Indian Creek | 1950 | 1,975 | Fair |
| Keefus Road CR 421 over Ir 90 | 1960 | 1,945 | Good |
| US 322 over Pymatuning Creek | 1988 | 1,894 | Good |
| Kiwanis Park Drive over Cowles Creek Atb | 2003 | 1,861 | Good |
| North Myers Road over Indian Creek | 1900 | 1,838 | Good |
| SR 193 over Br Griggs Creek | 2017 | 1,776 | Good |
| Jefferson Rd C150 over 00090 | 1960 | 1,772 | Fair |
| SR 534 over Phelps Creek | 1960 | 1,734 | Fair |
| State Road over Fields Brook | 2009 | 1,718 | Good |
| West Avenue over W 30TH Street | 1969 | 1,691 | Good |
| SR 307 over Mill Creek | 1991 | 1,678 | Fair |
| SR 166 over Trumbull Creek | 2014 | 1,659 | Good |
| SR 7 over Ashtabula Creek | 1994 | 1,640 | Good |
| SR 7 over Ashtabula Creek | 1945 | 1,640 | Fair |
| State Rd CR 25 over Ir 90 | 2013 | 1,568 | Good |
| Windsor Mech. Road over Grand River | 1867 | 1,392 | Good |
| Windsor Mech. Road over Grand River | 1988 | 1,392 | Good |
| Clyde Hill Road over Grand River | 1900 | 1,297 | Good |
| Seven Hills C329 over SR 11 | 1961 | 1,297 | Good |
| Parrish Rd Mr-372m over Ir 90 | 1960 | 1,295 | Fair |
| Clay Street over Coffee Creek | 1960 | 1,241 | Good |
| SR 167 over Br Ashtabula River | 1997 | 1,237 | Good |
| SR 167 over Br Ashtabula River | 1988 | 1,237 | Good |
| Clay Street Ch-16 over Ir 90 | 1959 | 1,146 | Fair |
| Plymouth Ridge Rd over SR 11 | 1961 | 1,097 | Fair |
| Plymouth Ridge Rd over Norfolk Southern | 2003 | 1,045 | Good |
| Cork Cold Springs over Grand River | 1966 | 999 | Good |
| SR 193 over Br Pymatuning Creek | 1961 | 995 | Poor |
| SR 193 over Mill Creek | 1986 | 995 | Good |
| North Center Road over Wheeler Creek | 2015 | 978 | Good |
| Depot Road over Indian Creek Tributary | 1976 | 951 | Good |
| Lafevre Rd Tr-136 over Ir 90 | 1959 | 951 | Good |
| Lake Road over Wheeler Creek | 1900 | 923 | Good |
| New Hudson Road over Grand River | 1996 | 910 | Good |
| SR 46 over Whetstone Creek | 1992 | 862 | Fair |
| Wade Avenue over Unnamed Stream | 1992 | 843 | Good |
| Chapel Road Cr-199 over Ir 90 | 1960 | 834 | Good |
| Windsor Mech. Road over Bronson Creek | 2001 | 821 | Good |
| Plymouth Rd Cr-23 over Ir 90 | 1959 | 820 | Fair |
| Maple Avenue over Cowles Creek | 2018 | 812 | Good |
| College Street over Coffee Creek | 1940 | 797 | Fair |
| Hickok Road over Tributary to Mill Creek | 1998 | 797 | Good |
| SR 84 over Ashtabula Creek | 1955 | 789 | Poor |
| Harmon Hill Road over Ashtabula River | 2007 | 781 | Good |
| Creamer Road over Trib. to Ashtabula River | 1999 | 734 | Good |
| North Bend Road over Indian Creek | 1940 | 703 | Good |
| North Bend Road over Indian Creek | 1940 | 703 | Good |
| North Bend Road over Indian Creek | 1940 | 703 | Good |
| Harpersfield Road over Grand River | 1868 | 657 | Good |
| Garrison Rd Tr 328 over SR 11 | 1961 | 641 | Fair |
| Pymatuning Lake Rd over Mc Michael Creek | 1969 | 610 | Fair |
| Forman Road over Three Brothers Creek | 2000 | 607 | Good |
| Footville Richmond over Grand River | 1968 | 604 | Good |
| Center Road over Conneaut Creek | 1900 | 600 | Fair |
| Old Main Road over Conneaut Creek | 1909 | 600 | Poor |
| Windsor Mech. Road over Unnamed Stream | 2023 | 599 | Good |
| Windsor Mech. Road over Unnamed Stream | 2012 | 599 | Good |
| Windsor Road over Rock Creek | 1950 | 517 | Poor |
| Brown Road over Griggs Creek | 1950 | 498 | Good |
| Covered Bridge Ln over Phelps Creek | 1900 | 485 | Good |
| Graham Road over Ashtabula River | 2018 | 485 | Good |
| Graham Road over Ashtabula River W Branch | 2024 | 485 | Good |
| Pelton Road Tr 229 over Ir 90 | 1959 | 485 | Fair |
| Allen-comp Rd C182 over SR 11 | 1978 | 477 | Good |
| Dodgeville Road over Lebanon Creek | 1992 | 477 | Good |
| Footville Richmond over Three Brothers Creek | 1955 | 476 | Good |
| Water Street over Cowles Creek | 2020 | 450 | Good |
| New London Road over Cowles Creek | 2017 | 441 | Good |
| Plymouth Ridge Rd over Ashtabula River | 1900 | 433 | Good |
| Plymouth Ridge Rd over Ir 90 | 1959 | 433 | Fair |
| New London Road over Indian Creek | 2008 | 429 | Good |
| New London Road over Unnamed Stream | 1900 | 429 | Good |
| Dodgeville Road over Rock Creek | 1978 | 406 | Fair |
| North Avenue over Cowles Creek | 1970 | 405 | Good |
| South Ridge Road over Conneaut Creek | 1983 | 403 | Poor |
| Welton Road over Conneaut Creek Tributary | 1900 | 400 | Fair |
| Dawsey Road over Spring Creek | 2015 | 385 | Good |
| Meade Hollow Road over Hoskins Creek | 1976 | 385 | Fair |
| Middle Road over Unnamed Stream | 1960 | 385 | Good |
| Schweitzer Road over Grand River | 1996 | 385 | Good |
| Windsor Mech. Road over Mud Creek | 1960 | 372 | Good |
| Sexton Road Cr-218 over Ir 90 | 1959 | 362 | Good |
| Runkle Avenue over Hubbard Run | 1978 | 353 | Fair |
| Sentinel Rd CR 10 over SR 11 | 1978 | 350 | Good |
| Furnace Road over Conneaut Creek | 2000 | 337 | Good |
| Stanhope Kell. Rd over Ashtabula River | 1945 | 332 | Good |
| Stanhope Kell. Rd over Ashtabula River | 1997 | 332 | Good |
| Wright Road Tr 356 over Ir 90 | 1959 | 326 | Fair |
| Easton Road over Mosquito Creek | 2019 | 324 | Good |
| Graham Road over Spring Creek | 1973 | 324 | Good |
| Institute Road over Lebanon Creek | 1940 | 324 | Fair |
| Schweitzer Road over Bronson Creek | 1974 | 324 | Fair |
| T88 Cream Ridge over SR 11 | 1979 | 324 | Good |
| Underwood Road over Pymatuning Creek | 1900 | 324 | Fair |
| Windsor Mech. Road over Trumbull Creek | 1950 | 315 | Poor |
| Fenkel Road over Gravel Run | 1957 | 305 | Fair |
| Fenkel Road over Gravel Run | 1957 | 305 | Good |
| Forman Road over Center Creek | 1992 | 305 | Good |
| Forman Road over Mill Creek | 1973 | 305 | Good |
| Footville-richmond over SR 11 | 1978 | 297 | Good |
| Hurlburt Road over Haskins Creek | 1985 | 292 | Good |
| Cork Cold Springs over Mill Creek | 1900 | 291 | Good |
| Hilldom Road over Ashtabula River | 1950 | 285 | Good |
| Hilldom Road over Unnamed Stream | 1993 | 285 | Good |
| Hilldom Road over Unnamed Stream | 1993 | 285 | Good |
| Hilldom Road over Unnamed Stream | 1993 | 285 | Good |
| Plymouth Gageville over Unnamed Stream | 1900 | 281 | Fair |
| S Denmark C291 over SR 11 | 1977 | 274 | Good |
| Mill Creek Road over Mill Creek | 2004 | 271 | Good |
| Hilldom Road over Ashtabula River E Branch | 2012 | 267 | Good |
| South Denmark Road over Mills Creek | 1974 | 267 | Fair |
| Dodgeville Rd CR 8 over SR 11 | 1979 | 260 | Fair |
| Dorman Road Mr-295 over Ir 90 | 1960 | 260 | Good |
| Griggs Road CR 16 over SR 11 | 1977 | 260 | Fair |
| Pymatuning Lake Rd over Black Creek | 1997 | 254 | Good |
| Pymatuning Lake Rd over Gravel Run | 1950 | 254 | Good |
| North Richmond Rd over Ashtabula River | 1974 | 248 | Good |
| Monroe Center Road over Ashtabula Creek | 1946 | 236 | Good |
| Middle Road Mr-351 over Ir 90 | 1960 | 230 | Fair |
| Bulah Road over Griggs Creek Tributary | 1900 | 225 | Good |
| E Morgan Rd Tr 319 over SR 11 | 1977 | 215 | Good |
| Adams Road over Ashtabula River | 1948 | 209 | Fair |
| Adams Road over E. Branch Ashtabula Rive | 1997 | 209 | Good |
| Anderson Road over Ashtabula River W Branch | 1980 | 209 | Good |
| Beckwith Road over Ashtabula River | 1992 | 209 | Good |
| Beckwith Road over Ashtabula River | 1993 | 209 | Good |
| Caine Road over Ashtabula River | 1986 | 209 | Good |
| Caine Road over Ashtabula River E Branch | 1900 | 209 | Good |
| Callahan Road over Crooked Creek | 1997 | 209 | Good |
| Callahan Road over Spring Creek | 1975 | 209 | Good |
| Dewey Road over Ashtabula River | 1873 | 209 | Good |
| Giddings Road over Griggs Creek | 1970 | 209 | Good |
| Giddings Road over Mill Creek | 1995 | 209 | Good |
| Green Hill Road over Ashtabula River | 1920 | 209 | Poor |
| Hall Road over Ashtabula River E Branch | 1925 | 209 | Fair |
| Higley Road over Crooked Creek | 1989 | 209 | Good |
| Johnson Road over Grand River | 2015 | 209 | Good |
| Kirk Road over Crooked Creek | 1998 | 209 | Good |
| Lampson Road over Center Creek | 1996 | 209 | Good |
| Lampson Road over Coffee Creek | 1998 | 209 | Good |
| March Road over Mill Creek Tributary | 1973 | 209 | Fair |
| Mill Road Tr 106 over SR 11 | 1978 | 209 | Good |
| Mill Road over Pymatuning Creek | 2009 | 209 | Good |
| Miller Road over Lebanon Creek | 1900 | 209 | Good |
| Netcher Rd Tr 292 over SR 11 | 1977 | 209 | Good |
| Netcher Road over Mill Creek | 1999 | 209 | Good |
| Noble Road over Unnamed Stream | 1990 | 209 | Good |
| Parks Road over Rock Creek Tributary | 1950 | 209 | Good |
| Reger Road over Ashtabula Creek | 1900 | 209 | Poor |
| Schrambling Road over Ashtabula River W Branch | 1981 | 209 | Good |
| Schrambling Road over Ashtabula River W Branch | 1900 | 209 | Fair |
| Scribner Road over Ashtabula River Trib | 2021 | 209 | Good |
| Scribner Road over Ashtabula River Trib. | 1900 | 209 | Fair |
| Sodam Road Tr 89 over SR 11 | 1979 | 209 | Good |
| Turner Road over Ashtabula River Branch | 1981 | 209 | Good |
| Tuttle Road over Cowles Creek | 1974 | 209 | Fair |
| Van Pelt Rd Tr-135 over Ir 90 | 1960 | 209 | Fair |
| Way Road over Whetstone Creek | 1997 | 209 | Good |
| Weaver Road over Ashtabula Creek | 1991 | 209 | Good |
| Woodworth Road over Pymatuning Creek | 1900 | 209 | Good |
| Windsor Mech. Road over Crooked Creek | 2015 | 207 | Good |
| Callender Road over Crooked Creek | 1900 | 204 | Good |
| Callender Road over Grand River | 2014 | 204 | Good |
| Windsor Road CR 6 over SR 11 | 1979 | 201 | Good |
| Doyle Road over Mill Creek | 1876 | 199 | Good |
| Windsor Road over Mosquito Creek | 1992 | 196 | Good |
| Hague Road over Rock Creek | 1900 | 172 | Good |
| Marcy Road over Ashtabula River E Branch | 2020 | 167 | Good |
| State Road over Conneaut Creek | 1983 | 159 | Good |
| Hall Road over W. Branch Ashtabula Rive | 1900 | 155 | Good |
| Marrian Road over Mill Creek | 1900 | 155 | Fair |
| Russell Road over Mill Creek Tributary | 2005 | 155 | Good |
| Stumpville Road over Three Brothers Creek | 2006 | 154 | Good |
| Keefus Road over Conneaut Creek | 1988 | 150 | Fair |
| Riverdale Road over Grand River | 1874 | 148 | Fair |
| Riverdale Road over Trumbull Creek | 1969 | 148 | Good |
| Benetka Road over Ashtabula River | 1900 | 115 | Good |
| Benetka Road over Mill Creek | 1940 | 115 | Good |
| Montgomery Road over Grand River | 1991 | 111 | Good |
| Montgomery Road over Grand River Tributary | 1993 | 111 | Good |
| Montgomery Road over Indian Creek | 1997 | 111 | Good |
| Montgomery Road over Unnamed Stream | 1914 | 111 | Fair |
| Hadlock Road over Ashtabula River | 2016 | 101 | Good |
| Eastwood Street over Cowles Creek | 1950 | 100 | Fair |
| Middle Road over Conneaut Creek | 1868 | 100 | Poor |
| Middle Road over Unnamed Stream | 1940 | 100 | Good |
| Murphy Road over Spring Creek | 1974 | 100 | Good |
| N Elm Street over Smith Creek | 2021 | 100 | Good |
| Old SR7 Carter Rd. over Conneaut Creek | 1989 | 100 | Good |
| Mann Road over Pymatuning Creek | 2018 | 96 | Good |
| Old Plank Road over Grand River | 2010 | 96 | Good |
| Shaffer Road over Grand River | 1913 | 96 | Fair |
| South Windsor Ext. over Phelps Creek | 1986 | 96 | Fair |
| Tower Road over Mill Creek | 1925 | 95 | Fair |
| State Line Rd over Ashtabula Creek | 2019 | 93 | Good |
| Caine Road over Ashtabula River | 2019 | 84 | Good |
| Maple Road over Mill Creek | 1900 | 79 | Good |
| Maple Road over Unnamed Stream | 2011 | 79 | Good |
| Creek Road over Conneaut Creek | 1900 | 58 | Good |
| Root Road over Ashtabula River | 1900 | 40 | Fair |
| Moore Road over Rock Creek | 1900 | 38 | Good |
| Horton Road over Conneaut Creek | 1900 | – | Poor |