| SR15 over Maumee River | 2019 | 27,320 | Good |
| SR 15 over Norfolk & Western RR # | 1977 | 24,257 | Good |
| SR 66 over Usr 24 # | 2010 | 16,125 | Good |
| SR 15 over Auglaize River | 1991 | 13,870 | Fair |
| SR 15 over Usr 24 | 2007 | 10,150 | Good |
| SR 66 S Jefferson over Auglaize River | 1966 | 9,940 | Fair |
| SR 281 over Usr 24 | 2007 | 9,890 | Good |
| SR 15 over Tiffin River | 1965 | 9,291 | Good |
| Usr 24 over Maumee River | 2007 | 8,248 | Good |
| Usr 24 over Maumee River | 2007 | 8,248 | Good |
| Usr 24 over Tiffin River | 2007 | 8,248 | Good |
| Usr 24 over Tiffin River | 2007 | 8,248 | Good |
| Usr 24 over West High Street | 2007 | 8,248 | Good |
| Usr 24 over West High Street | 2007 | 8,248 | Good |
| Usr 24 over CSX RR & Baltimore Ave. | 2009 | 7,393 | Good |
| Usr 24 over CSX RR & Baltimore Ave. | 2009 | 7,393 | Good |
| SR 15 over Buckskin Creek | 1957 | 6,249 | Fair |
| SR 15 over Black Creek | 1957 | 4,412 | Good |
| SR 15 over Lick Creek # | 2000 | 4,412 | Fair |
| SR 15 over Little Lick Creek# | 2000 | 4,412 | Good |
| SR 15 over Mud Creek | 1953 | 4,412 | Good |
| Hopkins Street over Auglaize River | 1985 | 4,390 | Good |
| SR 15 over North Powell Creek | 1982 | 4,271 | Fair |
| SR 15 over Wagner Run | 1985 | 4,271 | Good |
| SR 18 over Chessie System RR | 1967 | 4,250 | Good |
| SR 66 over Mattock Ditch | 1961 | 3,271 | Fair |
| West High Street over Tiffin River | 1995 | 2,826 | Good |
| SR 2 W High St over S. Fork Gordon Creek # | 1986 | 2,785 | Good |
| SR 2 over Tustion Creek | 1983 | 2,785 | Good |
| Usr 127 over Dry Creek | 1983 | 2,651 | Good |
| Usr 127 over Goller Ditch | 1989 | 2,651 | Good |
| Usr 127 over Intermittent Waterway | 1989 | 2,651 | Good |
| Usr 127 over Lost Creek | 1983 | 2,651 | Good |
| Usr 127 over Lick Creek | 1996 | 2,579 | Fair |
| Usr 127 over Little Lick Creek | 1996 | 2,579 | Good |
| SR 2 over Dry Creek | 1971 | 2,255 | Good |
| SR 18 over Middle Fork Gordon Creek | 2000 | 2,213 | Fair |
| SR 18 over North Fork Gordon Creek | 2000 | 2,213 | Good |
| SR 18 over Platter Creek | 2000 | 2,213 | Fair |
| SR 18 over Sulphur Creek | 1981 | 2,213 | Good |
| SR 2 over Lost Creek | 2021 | 2,200 | Good |
| Wms-def Co Line over Tiffin River | 1975 | 2,182 | Good |
| SR 2 over Middle Fork Gordon Creek | 1986 | 2,168 | Good |
| SR 2 over North Fork Gordon Creek | 1983 | 2,041 | Fair |
| SR 49 over South Fork Gordon Creek | 1979 | 1,969 | Fair |
| TR166 Carpenter Rd over Usr 24 | 2008 | 1,953 | Good |
| Harding Rd over Auglaize River | 1974 | 1,925 | Good |
| Christy Rd over Truby Ditch | 2001 | 1,838 | Good |
| Christy Road over Lehman Ditch | 1994 | 1,838 | Good |
| SR 281 Domersville over E. River Rd&maumee | 1969 | 1,728 | Fair |
| SR 49 over Middle Gordon Creek | 1931 | 1,466 | Good |
| SR 66 over Powell Creek | 2017 | 1,300 | Good |
| Harris Rd over Dickman Joint Ditch | 1988 | 1,260 | Good |
| Watson Rd over Powell Creek | 2018 | 1,247 | Good |
| Usr 24 over CR 146 Krouse Road | 2009 | 1,185 | Good |
| Usr 24 over CR 146 Krouse Road | 2009 | 1,185 | Good |
| Hicks-edgerton Rd over Middle Gordon Creek | 2016 | 1,168 | Good |
| SR 249 over Little Lick Creek | 1993 | 1,115 | Good |
| SR 249 over Lost Creek | 1961 | 989 | Good |
| SR 249 over St. Joseph River | 1961 | 977 | Fair |
| Stever Road over Tiffin River | 2009 | 893 | Good |
| the Bend Rd over Snooks Run / Mitchell Dc | 1986 | 858 | Good |
| Clemmer Rd over Mill Creek | 2024 | 787 | Good |
| the Bend Rd over Maumee River | 2003 | 728 | Good |
| Farmer Mark Rd over Platter Creek | 2021 | 720 | Good |
| Stever Rd over Tiffin River | 1972 | 688 | Good |
| the Bend Rd over Lick Creek | 1982 | 687 | Fair |
| the Bend Rd over Mud Creek | 2012 | 633 | Good |
| Banner School Rd over Mattock Ditch | 2005 | 619 | Good |
| Jericho Rd over North Gordon Creek | 1969 | 605 | Fair |
| Wms-def Co Line over Coon Creek | 1981 | 600 | Fair |
| Wms-def Co Line Rd over St Joseph River | 1976 | 532 | Fair |
| Farmer-mark Rd over Lost Creek | 1967 | 499 | Fair |
| Evansport Rd over Tiffin River | 2023 | 478 | Good |
| Flickinger Rd over Prarie Creek | 2002 | 477 | Good |
| Cicero Rd over North Fork Gordon Creek | 2002 | 472 | Good |
| Farmer Mark Rd over Dry Creek | 2006 | 433 | Good |
| Vine St over Sulpher Creek | 2006 | 400 | Good |
| Holly Road over Powell Creek | 1998 | 395 | Good |
| Schick Rd over Mud Creek | 1983 | 372 | Fair |
| Glenburg Rd over Mud Creek | 1988 | 351 | Good |
| Mansfield Rd over Powells Creek | 1983 | 351 | Good |
| Scott Rd over Lick Creek | 1985 | 346 | Good |
| Scott over Lateral Little Lick Cree | 2007 | 346 | Good |
| Buckskin Rd over North Fork Gordon | 2003 | 340 | Good |
| Scott Rd over Prairie Creek | 1980 | 306 | Poor |
| Wms-def Co Line Rd over Prairie Creek | 1970 | 305 | Good |
| Blosser Rd over Dry Creek | 1986 | 296 | Good |
| Christy Rd over Mattock Ditch | 2005 | 287 | Good |
| Flory Rd over Webb Run | 2008 | 283 | Good |
| Jericho Rd over South Fork Gordon Creek | 2002 | 274 | Good |
| Mansfield Rd over North Powell Creek | 1965 | 266 | Fair |
| Vollmer Rd over Little Lick Creek | 1987 | 260 | Good |
| Conkle Rd over Big Run Ditch | 1988 | 253 | Good |
| Openlander Rd over Dry Creek | 1986 | 230 | Good |
| Openlander Rd over Lost Creek | 1984 | 230 | Good |
| Evansport Rd over Fedderke Ditch | 1900 | 228 | Fair |
| Evansport Rd over Tiffin River | 1973 | 228 | Fair |
| Coffin Rd over Gordon Creek | 1998 | 209 | Good |
| Openlander Rd over Platter Creek | 2015 | 196 | Good |
| Fountain St over Middle Gordon Creek | 1965 | 189 | Good |
| Fountain Street over Mill Creek | 2006 | 189 | Good |
| Fountain Street over North Gordon Creek | 1994 | 189 | Good |
| Glenburg Rd over Lick Creek | 1985 | 176 | Good |
| Schubert Rd over Powells Creek | 1983 | 171 | Good |
| Trinity Rd over Lick Creek | 1971 | 167 | Fair |
| Jericho Rd over Platter Creek | 1920 | 165 | Fair |
| Jericho Rd over Platter Creek | 1965 | 165 | Fair |
| Jericho Rd over Platter Creek | 1920 | 165 | Fair |
| Walnut Grove Rd over Maddock Ditch | 2019 | 156 | Good |
| Lake Rd over Lat North Gordon Creek | 1987 | 150 | Good |
| Lake Rd over South Gordon Creek | 1968 | 150 | Good |
| Breininger Rd over North Gordon Creek | 2006 | 149 | Good |
| Breininger Rd over South Gordon Creek | 1988 | 149 | Fair |
| Flickinger Rd over Lick Creek | 1991 | 149 | Good |
| Flickinger Rd over Prairie Creek-ditch 40 | 2002 | 149 | Good |
| Flickinger Rd over Prairie Creek-ditch 40 | 2000 | 149 | Good |
| Fountain Street over Platter Creek | 1994 | 145 | Good |
| Casebeer-miller over Lat South Gordon Creek | 2007 | 143 | Good |
| Rosedale Rd over South Gordon Creek | 1986 | 139 | Good |
| Bowman Rd over Powell Creek | 2005 | 135 | Good |
| Bostater Rd over Lick Creek | 1967 | 129 | Good |
| Mulligans Bluff Rd over Lick Creek | 1985 | 118 | Good |
| Glenburg Rd over Prairie Creek-ditch 40 | 2006 | 111 | Good |
| Independence Rd over Barnes Run | 2017 | 111 | Good |
| Thiel Rd over North Gordon Creek | 1983 | 111 | Good |
| Arrowsmith Road over Miller Ditch | 2019 | 109 | Good |
| Ney-wms Cen over Little Lick Creek | 2000 | 109 | Good |
| Def-put Co Line Rd over Powell Creek | 1987 | 100 | Good |
| Huber Rd over Lost Creek | 1981 | 100 | Good |
| Huber over North Fork Gordon | 2007 | 100 | Good |
| Beerbower Road over Lick Creek | 1998 | 95 | Good |
| Coy Rd over Stuckman Ditch | 1988 | 91 | Good |
| Beerbower Rd over Lick Creek | 2003 | 87 | Good |
| Rosedale Road over Lost Creek Lateral | 2011 | 85 | Fair |
| Wonderly Rd over Gordon Creek | 1991 | 80 | Good |
| Rosedale Rd over Middle Gordon Creek | 1984 | 76 | Good |
| Rosedale Rd. over Gordon Creek | 1996 | 76 | Good |
| Trinity Rd over Buckskin Ditch | 1988 | 74 | Good |
| Coy Rd over Mud Creek | 1998 | 73 | Good |
| Coy Rd over Sulpher Creek | 1918 | 73 | Fair |
| Behnfeldt Rd over Little Lick Creek | 1967 | 72 | Fair |
| Behnfeldt Road over Lateral Little Lick Cree | 2010 | 72 | Good |
| Platter Creek Road over Platter Creek | 2012 | 71 | Good |
| Seevers Rd over Lost Creek | 1986 | 64 | Good |
| Behnfeldt Rd over Dry Creek | 2006 | 58 | Good |
| Behnfeldt Rd over Johns Ditch | 2009 | 58 | Good |
| Behnfeldt Rd over Lost Creek | 2011 | 58 | Good |
| Flickinger Road over Mud Creek | 1998 | 58 | Good |
| Mulligans Bluff Rd over Mud Creek | 2012 | 56 | Good |
| Wms. Cnt. Cecil Rd over Platter Creek | 1995 | 56 | Good |
| Wms-center Cecil R over Lost Creek | 1991 | 51 | Good |
| Wms. Center Cecil over Dry Creek | 1996 | 51 | Good |
| Park Rd over Mud Creek | 1992 | 50 | Good |
| Def/pau County Ln over South Fork Gordon Creek | 1996 | 46 | Good |
| Hill Rd over North Powell Creek | 2013 | 34 | Fair |
| Bostater Rd over Prairie Creek-ditch 40 | 1998 | 27 | Good |
| Bostater Road over Lick Creek | 2012 | 27 | Fair |
| Weber Rd over Big Run | 2013 | 11 | Good |