| Ir 75 over Ext of Boone Creek | 2001 | 66,840 | Good |
| Ir-75 over Clayton Ext. of Peters C | 1957 | 66,840 | Good |
| Ir-75 over W. Branch of Peters Cree | 1957 | 66,840 | Good |
| Ir-75 over Branch Great Miami River | 1957 | 54,110 | Fair |
| Ir-75 over County Ditch | 1957 | 54,110 | Fair |
| Ir-75 over Howell Extension Ditch | 1957 | 54,110 | Good |
| Ir-75 over Branch Great Miami River | 2019 | 49,910 | Good |
| Ir-75 over Branch Great Miami River | 2020 | 49,910 | Good |
| Ir-75 over Rush Creek | 2022 | 49,000 | Good |
| Ir-75 over Rush Creek | 2022 | 49,000 | Good |
| Ir 75 over CR 25A | 2015 | 47,580 | Good |
| Ir 75 over CR 25A | 2016 | 47,580 | Good |
| Ir-75 over Tr 42 Ginghamsburg Road | 1956 | 34,748 | Fair |
| Ir-75 over Tr 42 Ginghamsburg Road | 1956 | 34,748 | Fair |
| Ir-75 over Stanley Rench Ditch | 1957 | 33,420 | Good |
| Ir-75 over Stanley Rench Ditch | 1957 | 33,420 | Good |
| I-75 over Peters Creek | 1957 | 31,637 | Good |
| I-75 over Peters Creek | 1957 | 31,637 | Good |
| SR-41 over Ir 75 | 1957 | 28,958 | Fair |
| Ir 75 over CR 192 Garbry Road | 2013 | 24,443 | Good |
| Ir-75 over CR 192 Garby Road | 2013 | 24,443 | Good |
| Ir-75 over Patrizio Pl (aband RR) | 2013 | 24,443 | Good |
| Ir-75 over Patrizio Place | 2013 | 24,443 | Good |
| Ramp I-75 over Ramp C over Peters Creek | 1968 | 23,630 | Fair |
| Ir-75 over Abandoned RR | 1957 | 23,381 | Fair |
| Ir-75 over Abandoned RR | 1957 | 23,381 | Good |
| Ir-75 over Great Miami River | 1958 | 23,381 | Good |
| Ir-75 over Great Miami River | 1958 | 23,381 | Good |
| Ir-75 over B & O RR | 1958 | 22,249 | Fair |
| Ir-75 over B & O RR | 1958 | 22,249 | Good |
| Ir-75 over CR 25-a | 1959 | 21,464 | Good |
| Ir-75 over CR 25-a | 1959 | 21,464 | Good |
| Ir-75 over Ramp B & B&o RR | 1959 | 21,464 | Good |
| Ir-75 over Ramp B & B&o RR | 1959 | 21,464 | Good |
| SR-571 over Ir 75 | 1955 | 17,214 | Fair |
| County Rd. 25-a over Ir 75 | 1957 | 15,246 | Good |
| SR 55 over Great Miami River | 1961 | 14,392 | Fair |
| Usr-36 over Great Miami River | 1965 | 13,325 | Good |
| CR25A over Boone Creek | 2001 | 11,310 | Good |
| CR25A over Troy-concord Ditch | 2001 | 11,310 | Good |
| CR25A over Branch Troy Concord Ditc | 1973 | 11,176 | Good |
| CR25A over Morgan Ditch | 1979 | 10,678 | Good |
| CR25A over Hemm and Leonard Ditch | 1979 | 10,200 | Good |
| CR25A over Miami River | 1950 | 10,179 | Good |
| Park Avenue over Piqua Hyraulic Canal | 1997 | 9,889 | Good |
| CR25A over Beedle Ditch | 1979 | 9,849 | Good |
| CR25A over Howell Ditch | 1979 | 9,772 | Good |
| SR-55 over Ir 75 | 1968 | 8,933 | Fair |
| SR-55 over Ir 75 | 1957 | 8,933 | Fair |
| SR - 41 over Trib Stillwater River | 1991 | 8,682 | Good |
| Usr-36 over Ir 75 | 1965 | 8,052 | Good |
| Usr-36 over Ir 75 | 1958 | 8,052 | Good |
| US-36 over West Branch of Lost Cree | 2004 | 8,050 | Good |
| Usr-36 over Spring Creek | 2004 | 8,050 | Good |
| CR192 E Main St over Great Miami River | 2006 | 7,985 | Good |
| Usr-36 over Stillwater River | 1940 | 7,920 | Good |
| Hathaway Trail St. over Stream | 1968 | 7,894 | Fair |
| Cr25-a over Rush Creek | 2007 | 7,657 | Good |
| SR-571 over Great Miami River | 1984 | 7,460 | Fair |
| SR-571 over Stillwater River | 1981 | 7,460 | Good |
| Garnsey St over Great Miami River | 1968 | 7,242 | Fair |
| SR-55 over Stillwater River | 1984 | 6,881 | Good |
| SR-55 over West Br.of Peters Creek | 1968 | 6,881 | Good |
| SR-48 over Pig Eye Creek | 1991 | 6,676 | Good |
| SR 41 over Great Miami River | 1960 | 6,525 | Fair |
| SR-571 over Brush Creek | 1982 | 5,649 | Good |
| SR-571 over Ludlow Creek | 1984 | 5,649 | Good |
| Adams St. - Troy-s over Great Miami River | 2012 | 5,602 | Good |
| SR-55 over Trib to Miami River | 1982 | 5,407 | Fair |
| SR-55 over Peters Creek | 1968 | 5,088 | Good |
| SR-55 over Peters Creek | 1968 | 5,088 | Good |
| C0149 Peters Ave. over Troy Concord Ditch | 2007 | 5,036 | Good |
| CR149 - Peters Rd. over West Branch Peters Creek | 2009 | 5,036 | Good |
| Peters over Boone Creek | 1993 | 5,036 | Good |
| CR 33 Eldean over Beedle Ditch | 1955 | 5,010 | Fair |
| North Adams Street over Chessie System Railroad | 1974 | 5,000 | Fair |
| Piqua-troy over Spring Creek | 1976 | 4,980 | Fair |
| Mckaig Road over I-75 | 2000 | 4,978 | Good |
| Mckaig over Miller Ditch | 1986 | 4,978 | Good |
| SR-66 over Hydraulic Spillway | 1960 | 4,672 | Fair |
| SR-66 over Swift Run | 1960 | 4,672 | Good |
| Usr-36 over Fork of Lostcreek | 1984 | 4,645 | Fair |
| CR 33 Eldean Rd. over Great Miami River | 2015 | 4,487 | Good |
| SR 48 over Trotters Creek | 2009 | 4,362 | Good |
| SR-48 over Trotters Creek | 1963 | 4,362 | Fair |
| CR 35 Washington over Howell Ditch Ext. | 1997 | 4,323 | Good |
| Eldean Rd. Cr-33 over Ir-75 | 2004 | 4,210 | Good |
| I-75 Ramp over Peters Creek | 2002 | 4,042 | Good |
| N Ridge Avenue over Morgan Ditch | 1948 | 3,866 | Good |
| Usr-36 over Lost Creek | 1993 | 3,564 | Good |
| Usr-36 over Lost Creek | 1993 | 3,564 | Good |
| Maplecrest Drive over Kidder Ditch | 1975 | 3,460 | Fair |
| SR-41 over Lost Creek | 2002 | 3,413 | Good |
| Experiment Farm over Drake Ditch | 1993 | 3,368 | Good |
| Stonyridge Avenue over Deweese Ditch | 1977 | 3,348 | Fair |
| SR 48 over Ludlow Falls | 2001 | 3,347 | Good |
| SR-202 over Trib. to Miami River | 1982 | 3,330 | Good |
| SR-202 over Honey Creek | 1982 | 3,264 | Fair |
| SR-202 over Lost Creek | 1955 | 3,264 | Good |
| SR-718 over Peters Creek | 1993 | 3,244 | Good |
| SR718 over IR75 | 2001 | 3,244 | Good |
| Kessler-frederick over Stoner Ditch | 1954 | 3,227 | Poor |
| SR-55 over Lost Creek | 1929 | 2,960 | Fair |
| Experiment Farm over Howell Ditch | 1994 | 2,950 | Good |
| SR-48 over Old Chan Trotters Creek | 1963 | 2,943 | Fair |
| SR-185 over Stillwater River | 1963 | 2,844 | Good |
| SR-185 over Trotters Creek | 1963 | 2,844 | Good |
| South Dorset Road over Peters Crk | 1996 | 2,840 | Good |
| Peters Road over I-75 | 2000 | 2,833 | Good |
| SR-571 over Hog Run | 2008 | 2,769 | Good |
| Barnhart over W Branch Peters Creek | 1988 | 2,630 | Good |
| SR-41 over Dry Creek | 2015 | 2,600 | Good |
| CR 150 Evanston over Kendig Ditch | 1999 | 2,561 | Good |
| Evanston Road over Ir 75 | 1962 | 2,561 | Fair |
| TR 136 Barnhart Rd over Peters Creek | 2001 | 2,522 | Good |
| SR-48 over Stillwater River | 1961 | 2,400 | Good |
| Kessler-frederick over Brush Creek | 1963 | 2,370 | Fair |
| CR 7A Dayton-Brand over Honey Creek | 2000 | 2,312 | Good |
| Swailes Road over I-75 | 2002 | 2,307 | Good |
| Fenner over West Branch Peters Creek | 1970 | 2,301 | Fair |
| Stonyridge Avenue over Kidder Ditch | 1965 | 2,283 | Fair |
| Piqua-troy over Armco Access Road | 1977 | 2,235 | Good |
| Piqua-troy over Shroyer Ditch | 1977 | 2,235 | Good |
| Hetzler over Rush Creek | 1955 | 2,227 | Fair |
| Lytle over Beedle Ditch | 1955 | 2,227 | Fair |
| SR-41 over Pleasant Run Creek | 1977 | 2,208 | Fair |
| SR-41 over Indian Creek | 1986 | 2,176 | Good |
| CR137 Swailes Rd. over Troy-Concord Ditch | 2014 | 2,062 | Good |
| Swailes over Boone Creek | 1961 | 2,062 | Poor |
| Swailes over Boone Creek | 1963 | 2,062 | Poor |
| CR6 Miami-shelby E over Branch Rush Creek | 2009 | 2,044 | Good |
| Piqua-troy Rd over Ir 75 | 2017 | 2,007 | Good |
| Seneca over Effie Lambert Ditch | 1980 | 1,949 | Good |
| Shenendoah over Effie Lambert Ditch | 1976 | 1,949 | Good |
| Old Staunton over Kidder Ditch | 1979 | 1,913 | Good |
| CR179 Ross Rd. over Mud Creek | 2010 | 1,905 | Good |
| CR193 Troy-urbana over Lost Creek | 1951 | 1,870 | Good |
| SR-718 over Stillwater River | 1964 | 1,814 | Good |
| SR-55 over Indian Creek | 1993 | 1,780 | Good |
| C166 Tipp-Elizbeth over Miami River | 1998 | 1,743 | Good |
| Tipp Elizabeth over Lost Creek | 1988 | 1,743 | Good |
| Tipp Elizabeth over Pleasant Run | 1959 | 1,743 | Fair |
| CR40 Peters Rd. over E H Kerr Ditch | 2010 | 1,739 | Good |
| SR589 over Br Smith Ditch 355 | 1966 | 1,662 | Fair |
| SR589 over Branch Lost Creek | 1966 | 1,662 | Fair |
| SR589 over Branch Lost Creek | 1966 | 1,662 | Fair |
| SR589 over Little Lost Creek | 1967 | 1,662 | Good |
| SR-201 over Dry Creek | 1960 | 1,661 | Good |
| SR-201 over Honey Creek | 1963 | 1,661 | Good |
| SR-201 over Indian Creek | 1960 | 1,661 | Good |
| CR 14 Troy-Sidney over Rush Creek | 2015 | 1,654 | Good |
| TR257 No. Dixie Dr over Rush Creek | 2004 | 1,619 | Good |
| Frederick-garland over Stillwater River Pjm | 1977 | 1,603 | Fair |
| C48 Frederick-Garl over Brush Creek | 2022 | 1,554 | Good |
| CR 177 Palmer Rd. over Mud Creek | 2012 | 1,492 | Good |
| CR 37 - Fenner over Stillwater River | 1998 | 1,463 | Good |
| Harrison Street over Morgan Ditch | 2020 | 1,463 | Good |
| Piqua-lockington over Flood Channel Miami Rive | 1936 | 1,373 | Fair |
| Piqua-lockington over Miami River | 1972 | 1,373 | Poor |
| Range Line over Brush Creek | 1962 | 1,244 | Poor |
| CR193 Troy-urbana over South Ditch | 2007 | 1,243 | Good |
| Troy-urbana over Little Lost Creek | 1993 | 1,243 | Good |
| CR46 Milton-pottsd over Seeker Ditch | 2010 | 1,230 | Good |
| C88 Cvingtn-Brdfrd over Stillwater River | 2001 | 1,212 | Good |
| SR-721 over Hog Run | 1968 | 1,189 | Fair |
| Echo Lake Drive over Hydraulic Canal | 1992 | 1,127 | Good |
| CR45 Markley Rd. over Brush Creek | 2020 | 1,100 | Good |
| CR37 Fenner Rd. over Ludlow Joint Ditch | 2003 | 1,077 | Good |
| Fenner over Possum Run | 1941 | 1,077 | Poor |
| CR193 Troy-urbana over Middle Branch Lost Creek | 2020 | 1,056 | Good |
| Bellefontaine over Williams Ditch | 1974 | 1,051 | Good |
| CR 241 Bellfontain over Branch Mud Creek | 2001 | 1,051 | Good |
| CR9 Range Line Rd. over Stillwater River | 2003 | 1,030 | Good |
| Range Line over Greenville Creek | 1967 | 1,030 | Fair |
| Range Line over Harris Creek | 1963 | 1,030 | Fair |
| TR224 Ginghamsburg over Jackson Joint Ditch | 2013 | 1,023 | Good |
| Shoop Road over Ir 75 | 1962 | 1,000 | Good |
| Statler Rd. Cr-18 over Ir 75 | 2017 | 986 | Good |
| Geiserman East over Rush Creek | 1988 | 983 | Good |
| C0014 Troy-Sidney over Spring Creek | 2023 | 967 | Good |
| CR29 Piqua-clayton over Trotters Creek | 2012 | 902 | Good |
| Frederick-garland over Pansing Joint Ditch | 1962 | 900 | Fair |
| Frederick-garland over Seeker Ditch | 1989 | 900 | Good |
| Range Line over Panther Creek | 1963 | 899 | Fair |
| Alcony-conover over A J Allen Ditch | 1980 | 891 | Good |
| C26-Alcony-Conover over Indian Creek | 1999 | 891 | Good |
| CR26 Alconyconover over Indian Creek | 2009 | 891 | Good |
| Covington-gettysbg over Greenville Creek | 1995 | 871 | Good |
| Covington-gettysbg over Stillwater River | 1992 | 871 | Good |
| Loy over Spring Creek | 1964 | 867 | Fair |
| Casstown-sidney over Little Lost Creek | 1963 | 797 | Poor |
| Casstown-sidney over Middle Branch Lost Creek | 1961 | 797 | Poor |
| Elleman over Brush Creek | 1986 | 797 | Good |
| Elleman over Ludlow Creek | 1961 | 797 | Fair |
| Karns over Mill Creek | 1991 | 797 | Good |
| Lauver over Stillwater River | 1996 | 797 | Good |
| Penny over Stillwater River | 1982 | 797 | Fair |
| Rudy over Honey Creek | 1969 | 797 | Fair |
| Sayers over Lost Creek | 1996 | 797 | Good |
| Snyder over Leatherwood Ditch | 1995 | 797 | Good |
| Snyder over West Branch Lost Creek | 1979 | 797 | Poor |
| Sodom-ballou North over A J Allen Ditch | 1955 | 797 | Poor |
| T-211 Rugged Hill over Little Lost Creek | 2011 | 797 | Good |
| T.r. 162 Hufford over Thackara Ditch | 1998 | 797 | Good |
| TR187 Rusk Rd. over Spring Creek | 2006 | 797 | Good |
| Tr 91 Mcmaken Rd. over Sigmon Ditch | 2011 | 797 | Good |
| Buckneck over Greenville Creek | 1984 | 764 | Good |
| SR-721 over Painters Creek | 1988 | 752 | Fair |
| CR 16 Peterson Rd. over West Branch Lost Creek | 2022 | 742 | Good |
| Emerick over Seeker Ditch | 1959 | 731 | Fair |
| C0006A Bollinger over Lost Creek Ditch | 2002 | 678 | Good |
| SR-721 over Ludlow Creek | 1961 | 642 | Good |
| Bradford-bloomer over Ballingers Run | 1929 | 637 | Fair |
| Bradford-bloomer over Harris Creek | 1994 | 637 | Good |
| C86 Bradfrd-Bloomr over Sproat Ditch | 2000 | 637 | Good |
| Cr86bradford-bloom over Stillwater River | 2013 | 637 | Good |
| Walnut Grove-clark over Dry Creek | 1963 | 634 | Fair |
| Walnut Grove-clark over Indian Creek | 1962 | 634 | Good |
| Walnut Grove-clark over Pleasant Run | 1992 | 634 | Good |
| Horseshoe Bend over Stillwater River | 1975 | 607 | Fair |
| Scarff over Honey Creek | 1973 | 604 | Good |
| Scarff over Mud Creek | 1975 | 604 | Fair |
| Versailles over Branch Trotters Creek | 1960 | 567 | Good |
| CR. 18 over Spring Creek | 1997 | 527 | Good |
| Statler over West Branch Lost Creek | 1962 | 527 | Fair |
| Meadowpoint Drive over Miller Ditch | 2003 | 500 | Good |
| CR28 Versailles R over Branch Trotters Creek | 2022 | 499 | Good |
| CR17 Loy Rd. over West Branch Lost Creek | 2022 | 491 | Good |
| Falknor over Stillwater River | 1970 | 485 | Fair |
| Perry over Trotters Creek | 1960 | 485 | Fair |
| Snodgrass over Spring Creek | 1961 | 485 | Poor |
| Church St over Gustin Ditch | 1959 | 477 | Fair |
| Downing St. over Gustin Ditch | 1998 | 477 | Good |
| Dayton-brandt over Stafford Ditch | 1973 | 475 | Good |
| Lefevre over Lost Creek | 1981 | 474 | Good |
| Range Line over Ludlow Creek | 1973 | 473 | Good |
| Lefevre over Indian Creek | 1985 | 454 | Good |
| C21 Casstown-Sidny over Gustin Ditch | 2016 | 437 | Good |
| CR 17 Loy Rd. over Hathaway Ditch | 2005 | 435 | Good |
| Loy over East Branch Lost Creek | 1980 | 435 | Good |
| C0081 Cvington-Get over Greenville Creek | 2015 | 427 | Good |
| CR81 Cov-gettys Rd over Greenville Creek | 2005 | 427 | Good |
| CR81 Covington-get over Greenville Creek | 2013 | 427 | Good |
| Miami-shelby Rd. over Ir 75 B&o RR | 1959 | 423 | Fair |
| Miami-shelby East over Branch Rush Creek | 1959 | 419 | Fair |
| Miami-shelby East over Branch Spring Creek | 1960 | 419 | Good |
| CR161A Knoop Rd> over Lost Creek | 2021 | 415 | Good |
| C186 Deweese Rd over Spring Creek | 2007 | 404 | Good |
| Deweese over Spring Creek | 1982 | 404 | Poor |
| CR158 Children"s H over Knoop Ditch | 2023 | 401 | Good |
| CR12 Troy-frederic over Strock Ditch/brush Creek | 2013 | 393 | Good |
| CR78 SugarGrove-Ci over Little Panther Creek | 2022 | 390 | Good |
| CR143 Wheelock Rd. over Brush Creek | 2001 | 385 | Good |
| Cr39monroe-concord over Stanley-rench Ditch | 2006 | 385 | Good |
| Ditmer over Ludlow Creek | 1971 | 385 | Good |
| Panther Creek over Panther Creek | 1995 | 385 | Good |
| Patty-circle Hill over Panther Creek | 1955 | 385 | Fair |
| CR16 Peterson Rd. over Little Lost Creek | 2012 | 383 | Good |
| Peterson over East Branch Lost Creek | 1960 | 383 | Poor |
| Peterson over Middle Branch Lost Creek | 1962 | 383 | Fair |
| Peterson over Spring Creek | 1993 | 383 | Good |
| Landman Mill over Loramie Creek | 1992 | 375 | Good |
| Landman Mill over Mckee Creek | 1962 | 375 | Fair |
| Walnut St.-Fletche over Gustin Ditch | 2018 | 375 | Good |
| Casstown-sidney over Spring Creek | 1988 | 366 | Good |
| Casstown-sidney over West Branch Lost Creek | 1984 | 366 | Good |
| CR7A Dayton-brandt over Branch of Indian Creek | 2011 | 364 | Good |
| Dayton-brandt over Branch Indian Creek | 1973 | 364 | Good |
| Dayton-brandt over Stafford Ditch | 1973 | 364 | Fair |
| Davis over Ludlow Creek | 1986 | 351 | Good |
| Snyder over Spring Creek | 1954 | 351 | Fair |
| Springcreek over Rush Creek | 1959 | 351 | Good |
| Suber over Spring Creek | 1995 | 351 | Fair |
| CR21 - Casstown-Si over West Branch Lost Creek | 2023 | 346 | Good |
| CR89 - Klinger Rd. over Harris Creek | 2001 | 328 | Good |
| Klinger over Stillwater River | 1966 | 328 | Poor |
| Duncan North over Hetzler Ditch | 1956 | 324 | Poor |
| Farver over Great Miami River | 1860 | 324 | Fair |
| Haworth over Ludlow Joint Ditch Ext | 1959 | 324 | Fair |
| Jones over Ludlow Joint Ditch | 1956 | 324 | Fair |
| Tr. 93 Fetters Rd over Stillwater River | 1999 | 324 | Good |
| Cr-9 Range Line Rd over Myers Joint Ditch | 2012 | 293 | Good |
| Studebaker over Branch Honey Creek | 1973 | 266 | Fair |
| Sugar Grove over Stillwater River | 1994 | 258 | Good |
| CR17 Loy Rd. over Garbry Ditch | 2017 | 230 | Good |
| Alcony-conover over Leatherwood Ditch | 1965 | 222 | Poor |
| TR172 Mill Rd. over Indian Creek | 2018 | 216 | Good |
| C197 Snodgrass Rd. over Leatherwood Ditch | 2014 | 215 | Good |
| T0084 Croft Mill R over Greenville Creek | 2020 | 215 | Good |
| TR101 Perry Rd. over Sigmon Ditch | 2020 | 215 | Good |
| C24 Bur Oak-Nw Hpe over East Branch Lost Creek | 2016 | 213 | Good |
| Wright over Brnch Ludlow CR. Hog Run | 1974 | 208 | Good |
| Wright over Ludlow Creek | 1956 | 208 | Poor |
| CR164 over Indian Creek | 2000 | 191 | Good |
| CR50 Shiloh Rd. over Ludlow Creek | 2004 | 185 | Good |
| CR50 Shiloh Rd. over Brush Creek | 2017 | 177 | Good |
| Lostcreek-shelby over East Branch Lost Creek | 1954 | 164 | Fair |
| Lostcreek-shelby over East Branch Lost Creek | 1904 | 164 | Poor |
| Lostcreek-shelby over East Branch Lost Creek | 1984 | 164 | Good |
| TR 167 Rudy Rd. over Honey Creek | 2015 | 157 | Good |
| Tr 167 Rudy Rd. over Pleasant Run | 2005 | 157 | Good |
| Shiloh Road over Myers Joint Ditch | 1994 | 124 | Good |
| TR210 - Sodom Rd. over Little Lost Creek | 2019 | 110 | Good |
| TR76 Owens Rd. over Panther Creek | 2023 | 99 | Good |
| TR85 Greenville Fa over Harris Creek | 2018 | 93 | Good |
| T0090 Union-Church over Trotters Creek | 2023 | 82 | Good |
| Lena-palestine over Leatherwood Ditch | 1928 | 80 | Fair |
| Widener over Indian Creek | 1968 | 80 | Fair |
| TR25 Sodom-ballou over Little Lost Creek | 2018 | 65 | Good |
| Rike over Trotters Creek | 1969 | 63 | Fair |
| TR19 Fairview-snod over Spring Creek | 2010 | 61 | Good |
| TR92 Hill Rd. over Harris Creek | 2022 | 60 | Good |