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Every bridge in Mercer County, Ohio

327 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
Usr-127 over Beaver Creek20089,767Good
Usr-127 over Coldwater Creek19509,115Good
Usr-127 over Dahlinghaus Ditch19506,978Good
Usr 33 over Eight Mile Creek19976,514Good
Usr 33 over Branch Eight Mile Creek19726,433Good
Usr 33 over Twelve Mile Creek19626,433Fair
Usr 33 over Branch Eight Mile Creek19976,308Good
Usr-127 over St.marys River19356,143Good
Usr-127 over St.marys River Overflow19666,143Fair
SR-219 over Burntwood Creek19915,813Good
SR-219 over Coldwater Creek19285,813Fair
Lak Shore Dr MR107 over Hot Water Hole19905,201Fair
Lake Shore Drive over Pullman Bay19905,201Fair
SR 118 over Branch Coldwater Creek19374,570Fair
SR29 over R.j. Corman RR19714,061Good
SR29 over R.j. Corman RR19714,061Good
SR-274 over Bear Creek19603,937Good
SR-274 over Branch Beaver Creek19603,937Good
US. 127 over Twelve Mile Creek20093,665Good
Usr 33 over Dennison Run19523,599Fair
SR-274 over Chickasaw Creek19603,532Good
SR119 over Branch of Wabash River19563,385Good
SR-118 over Beaver Creek19393,224Good
Usr 33 over Eichler Ditch19653,148Fair
Usr 33 over Yankee Run19763,148Good
SR-49 over Wabash River19963,023Good
SR29 over Big Beaver Creek20242,900Good
SR 29 over Crab Branch19562,796Good
SR29 over Big Run19562,796Good
SR29 over Little Beaver Creek19622,796Fair
SR29 over Wabash River19822,796Fair
SR-219 over Beaver Creek19822,766Fair
SR119 over Wabash River19632,639Good
SR119 over Stoney Creek19562,605Good
SR-118 over St. Marys River19382,581Fair
Usr 33 over Black Creek19522,302Fair
SR49 over Wabash River19522,247Good
SR49 over Hickory Branch19562,171Good
SR-118 over Wabash River19611,991Fair
SR29 over Sherman Ditch20081,899Good
SR49 over Two Mile Creek19511,473Good
SR-716 over Mile Creek19621,427Fair
SR 219 over Channel Grand Lake19891,425Good
SR 219 over Prarie Creek19891,425Good
SR-219 over Channel Grand Lake19891,425Good
SR-219 over Chickasaw Creek19591,425Good
SR-219 over Little Chickasaw Creek20101,425Good
Wayne St. over Wabash River20011,357Good
SR-49 over Sherman Ditch20071,327Good
SR49 over Sherman Ditch19561,327Good
SR49 over Wabash River19561,327Good
C60 Carthagena Rd over Coldwater Creek20101,210Fair
Carthagena Road over Burntwood Creek20131,210Fair
Siegrist Jutte Rd over Limberlost Creek20011,194Fair
Siegrist Jutte Rd over Wabash River19871,194Poor
Siegrist-jutte C80 over Coldwater Creek20081,194Fair
Ft Rec Minster Rd over Two Mile Creek20121,122Good
Clover Four Rd over Chickasaw Creek19851,116Fair
SR-707 over Yankee Run19971,036Good
Jefferson Street over Branch of Wabash River19311,000Fair
Philothea C70 over Coldwater Creek2005991Good
Philothea Road over Branch Coldwater Creek1964991Fair
Wabash Rd over Mc Dowell Run2017984Good
Wabash Rd over Wabash River2022984Good
Buschor Road over Hardin Creek1995983Fair
219A over Little Chickasaw Creek1966973Fair
C.R. 219A over Chickasaw Creek2001973Good
Fleetfoot Road over Beaver Creek1941956Fair
SR-49 over Duck Creek2007941Good
SR-49 over Duck Creek2007941Good
SR-49 over Duck Creek Ditch #75-841998941Good
SR-49 over Stetler Ditch2007941Good
SR49 over Duck Creek1984941Good
SR-219 over Little Bear Creek1990938Good
SR-219 over Little Beaver Creek1990938Good
SR-219 over Toti Creek1990938Good
SR-219 over Wabash River1965938Good
Ft Rec. Minster Rd over Branch of Wabash River1978903Fair
Ft Recovery Minste over Wabash River2005903Good
Celina-mendon Road over Twelve Mile Creek2003889Good
C80A Clover Four over Beaver Creek2010887Good
Clover Four Road over Dahlinghaus Ditch2000887Fair
Clover Four Road over East Fork1999887Fair
SR-707 over Big Black Creek1961845Fair
SR-707 over Little Black Creek1961845Good
Kremer Hoying Rd over Burntwood Creek1995816Fair
Watkins Road over Fort Creek1990797Fair
Sharpsburg Road over Branch of Wabash River1965723Poor
Mer Darke Co Ln Rd over Wabash River1983695Fair
1ST St (mr-330) over Wabash River1991610Good
St Anthony Road over Crab Branch1970592Good
Fleetfoot Road over Hardin Creek1971588Fair
SR-707 over St. Marys River1953566Good
Watkins Rd over Branch of Wabash River2023534Good
Siegrist Jutte Rd over Branch Little Bear Creek1999496Fair
Howick Road over Blierdofer Ditch1920476Fair
C170 Frahm Pike over Twelvemile Creek2006470Good
C110 St Anthony over Wabash River2006454Good
C00 Mer-darke Line over Ward Ditch2005445Fair
Mer Darke Co Ln Rd over Ward Ditch1990445Fair
Howick Road over Blierdofer Ditch1998433Fair
Howick Road over Eight Mile Creek1963433Fair
Harrison Road over Chickasaw Creek1999412Fair
Coldwater Creek Rd over Coldwater Creek2002409Good
Park Rd over Wabash River2023406Good
Winkler Rd over Duckcreek2018406Good
SR-197 over Eight Mile Creek1996397Good
Chickasaw Road over Chickasaw Creek1984384Fair
Township Line Rd over Branch of Wabash River1972378Fair
Township Line Road over Wabash River2005378Good
CR31A Wabash Road over Crab Branch2016372Good
Philothea over Burntwood Creek2016364Good
Brockman Road over Branch Chickasaw Creek2000351Fair
Bunker Hill Road over Branch Beaver Creek1997351Fair
Carmel Church Rd over Prairie Creek2002351Fair
Carthagena Road over Br Coldwater Creek1991351Fair
Denny Road over Eight Mile Creek2001351Fair
Denny Road over Eight Mile Creek1992351Fair
Erastus Durbin Rd over Toti Creek1984351Fair
Erastus Durbin Rd over Wabash River1999351Good
Guadalupe Road over Dahlinghaus Ditch1998351Fair
Hasis T121 over Blierdofer Ditch2007351Good
Hone-weir Rd. over Prairie Creek2002351Fair
Kittle Road over Prairie Creek2000351Fair
Leininger Road over Wabash River1999351Good
Meiring Road over Wabash River1993351Fair
Monroe Road over Little Beaver Creek1989351Fair
Morrow Road over Blierdofer Ditch2003351Good
Mud Pike over Beaver Creek1988351Fair
Mud Pike over Prairie Creek1980351Fair
Philothea Road over Br of Wabash River1994351Fair
Pine Road over Crab Branch2000351Fair
Post Road over Branch of Wabash River2002351Fair
Post Road over Wabash River1988351Good
Rauh Rd over Crab Branch2017351Good
Rauh Rd over Crab Branch2023351Good
Rauh Road over Crab Branch2004351Fair
Schroeder Road over Scherman Ditch1987351Fair
Slavik Road over Little Beaver Creek1984351Fair
Swamp Road over Little Beaver Creek1997351Good
T161D Evans over Kyle Praire Creek2007351Good
T67 (post Rd) over Branch of Wabash River2009351Fair
T79 Tobe Rd over Wabash River1988351Good
Younger Road over Burntwood Creek2012351Good
Zehringer Road over Wabash River1998351Good
Erastus Durbin Rd over Beaver Creek2000342Good
Erastus Durbin Rd over Kittle Ditch1980342Fair
Erastus Durbin Rd over Prairie Creek1985342Fair
St Anthony over Little Beaver Creek2009341Good
St. Anthony Road over Hardin Creek2002341Fair
Cassella Montezuma over Montezuma Creek2005336Fair
Cassella Montz Rd over Montezuma Creek2020336Good
C-703a over Spillway at Grand Lake1997330Fair
Barger Road over Fort Creek1986324Fair
Blackloon Road over Drainage Ditch1995324Good
Bogart Road over Branch Eight Mile Creek2004324Good
Botkins Road over Chickasaw Creek2004324Fair
Davis Road over Eight Mile Creek1900324Fair
Dull Road over Wabash River1997324Good
Dull Road over Ward Ditch1991324Good
Erastus-durbin Rd over Branch Big Black Creek2000324Fair
Frank Road over Duckcreek1960324Fair
Halfhill Road over Dennison Ditch1989324Fair
Hill Road over Big Black Creek2001324Good
Lee Road over Big Blackcreek2001324Good
Manley Road over Big Blackcreek2005324Fair
Manley T230 over Little Black Creek2006324Good
Moore Road over Two Mile Creek2004324Fair
Old Town Run Road over Town Run1997324Fair
Pine Road over Big Run1999324Fair
Pine Road over Wabash River1999324Fair
Purdy Rd over Little Black Creek2007324Good
Purdy Road over Big Black Creek2004324Good
Rockford West T236 over Duck Creek2008324Fair
Ross Rd over Kyle Prairie Creek1991324Fair
Schleucher Road over Branch Prairie Creek1998324Fair
Siler Road over Twelve Mile Creek1997324Good
St Johns Road over East Fork1999324Fair
Stetler Rd over Duckcreek Ditch2002324Good
Stetler Road over Duckcreek Ditch1987324Fair
Stover Road over Dudgeon Ditch1991324Fair
T130 Schroeder over Wabash River2006324Good
C10 Watkins Rd over Ward Ditch1900316Fair
Township Line Rd. over Beaver Creek2001316Good
Watkins Road over Bear Creek2013316Good
Watkins Road over Wabash River1988316Good
Hoenie Road over Twelve Mile Creek2012315Good
Karch Road over Little Beaver Creek1994300Fair
T111B Meyer Rd over Beaver Creek2006297Good
Siegrist Jutte Rd over Coldwater Creek1995292Fair
Bell Road over Hardin Creek1988291Fair
Tama Rd over Yankee Run1996284Fair
Burk. St. Henry Rd over Beaver Creek1941277Fair
Burkvl Sthenry Rd over Wabash River1972277Fair
C236 over Little Black Creek2007272Good
Rockford West Rd over Branch Duckcreek1996272Fair
Rockford West Road over Big Blackcreek1985272Poor
Brockman Rd over Chickasaw Creek2020250Good
Menchhofer Road over Wabash River1997244Fair
Erastus-durbin Rd over Little Black Creek1980242Fair
Erastus-durbin Rd over Little Black Creek1980242Fair
Fleetfoot Road over Coldwater Creek1981241Fair
Oregon Road over Twelve Mile Creek2019240Good
Mercer Rd over Twelve Mile Creek1988239Good
Fox Rd over Branch of Fort Creek2014238Good
Fox Road over Creek1998238Fair
Huwer Road over Br of Mile Creek1993235Poor
Township Line over Sanift Ditch2000234Fair
Mer Darke Co Ln Rd over Branch of Mile Creek1985233Fair
Mer Darke Co Line over Branch of Mile Creek2002228Fair
Hellwarth Road over Twelve Mile Creek1970220Fair
Palmer Rd over St Marys River2024220Good
Township Line Rd over Branch of Wabash River1987220Fair
Goettemoeller Road over Montezuma Creek1994219Fair
Weitz Road over Branch Blierdorfer Ditch1999219Fair
Oregon Road over Blierdofer Ditch2003215Fair
Oregon Road over Blierdofer Ditch1960215Fair
Oregon Road over Branch Eightmile Creek1988215Fair
Watkins Road over Braanch of Wabash River2000215Fair
Erastus-durbin Rd over Little Black Creek2008213Good
Gallman Rd over Br of St Marys River1992213Fair
Gallman Rd over St Marys River2001213Fair
Johnston Rd over Stream2024210Good
Burrville Road over Prairie Creek2003206Fair
Mercer-darke Co Ln over Branch of Mile Creek2003206Fair
Brockman Road over Little Chickasaw Creek1996204Fair
Mercer Van Wert Rd over Kyle Prairie Creek1980200Fair
Mercer Van Wert Rd over Little Auglaize River1986200Fair
C196 Tama Rd over Branch Big Black Creek2005199Fair
Tama Road over Big Black Creek1994199Fair
St. Johns Road over Chickasaw Creek1996190Good
Mercer Road over Br Twelve Mile CR1994187Fair
Mercer Road over Eight Mile Creek1997187Good
Gause Road over Beaver Creek2001185Good
Gause Road over Little Beaver Creek1985185Fair
Gause Road over Little Beaver Creek2001185Fair
Gause Road over Little Beaver Creek2003185Fair
Elgin Road over Kyle Prairie Creek2003184Fair
Tama Road over Twelve Mile Creek1994182Fair
Burrville (T41) over Rj Corman Railroad2008179Good
Burrville Road over Branch of Toti Creek1985179Fair
Burrville Road over Toti Creek1984179Fair
Burrville Road over Wabash River1997179Good
Mercer-darke Co Ln over Branch Mile Creek1998179Fair
St. Peter Road over Toti Creek2002179Good
Siegrist Jutte Rd over Branch of Toti Creek1987177Fair
Siegrist Jutte Rd over Branch of Toti Creek1984177Fair
Tama Road over Black Creek2019174Good
Mercer-darke Co Ln over Mile Creek1999173Fair
Erastus Durbin Rd over Big Run1911172Poor
Neptune-mendon Rd over Twelve Mile Creek1991165Fair
Guadalupe Rd over Little Chickasaw Creek1984160Fair
Oregon (C180) Rd over Big Black Creek2007160Good
Oregon Road over Big Black Creek1997160Fair
Oregon Road over Br Big Black Creek1993160Fair
Kremer Road over Mile Creek1995154Good
Hellwarth Road over Twelve Mile Creek1989152Fair
C99 (frysinger Rd) over St. Marys River2009151Good
Frysinger Road over St Marys River Overflow1983151Fair
Guadalupe Rd over Chickasaw Creek1900146Fair
Ind State Line Rd over Scherman Ditch1995144Fair
Ohio-ind St Line over Stoney Creek1981144Fair
State Line Road over Scherman Ditch1992144Fair
T61 Township Line over St Marys River2010143Good
Township-line Road over Four Mile Creek1987143Fair
Township-line Road over Little Blackcreek Ditch1990143Fair
Township-line Road over Little Blackcreek Ditch1990143Fair
Townshipline T61 over Little Black Creek2007143Good
Guadalupe Rd over Prairie Creek1987142Fair
Guadalupe Road over Br of Montezuma Creek1994142Fair
Cassella Montz Rd over Beaver Creek1985141Fair
Wilson Road over Little Blackcreek2013139Good
St Peter Rd over Wabash River2009138Good
State Line Rd over Limberlost Creek1980138Fair
C131B Tomlinson Rd over Kyle Prairie Creek2010136Good
Depweg Rd over Beaver Creek1985136Fair
Depweg Rd over Beaver Creek1987136Fair
Depweg Road over Burntwood Creek1991136Fair
Fox Road over Branch of Wabash River1987135Fair
Fox Road over Two Mile Creek2001135Fair
Fleetfoot Road over Burntwood Creek1996134Fair
Neptune Mendon Rd over Eight Mile Creek2012133Good
Neptune Mendon Rd over Eightmile Creek1900133Fair
Cassella Montz Rd over Mile Creek1969124Fair
SR-197 over Eight Mile Creek1965123Good
Burrville Rd. over Beaver Creek2001120Good
Sebastian Road over Chickasaw Creek1996118Fair
Township Line Road over Little Black Creek1999118Fair
Stose Road over Green Ditch2000117Fair
Stose Road over Twelve Mile Creek2000117Good
Burrville Road over Big Black Creek2003104Fair
Kuhn Rd over Hardin Creek199397Good
Kuhn Road over Little Beaver Creek199597Fair
SR-117 over Town Run Creek196196Good
Frysinger Road over Town Run Creek198595Good
Winkler Road over Big Blackcreek197794Good
Winkler Road over Little Blackcreek201394Good
C145A CR716A over Prairie Creek200781Good
Jordan Road over Little Blackcreek Ditch199181Good
Cranberry Road over Br of Bear Creek199280Fair
Mer-vw Co Ln Rd over Duckcreek198380Good
State Line Road over Little Blue Creek199875Good
State Line Rd over Limberlost Creek199574Fair
State Line Rd over Wabash River199674Good
C151 Clune-stucke over Mile Creek200673Good
Goettemoeller Rd over Mile Creek200271Good
Stachler Rd over Br of Wabash River199271Fair
Stachler Road over Branch of Wabash River200171Good
CR 31A Wabash Rd over Wabash River200670Good
Wabash Road over Beaver Creek200070Good
Wabash Road over Big Black Creek200370Good
Wabash Road over Big Black Creek199970Good
Wabash Road over Big Black Creek192070Fair
Schroeder Road over Crab Branch201269Good
Stelzer Road over Beaver Creek200369Fair
Sebastian Road over Beaver Creek200568Fair
Schaadt Road over Big Black Creek200567Fair
Schaadt over Big Blackcreek201666Good
Strable Rd over Branch Big Black Creek200162Good
Strable Road over Big Black Creek200162Good
Wilson Rd over Big Blackcreek200260Fair
Wilson Road over Branch Duck Creek200160Fair
Wilson Road over Duck Creek198360Fair
Menchhofer (T100) over Little Beaver Creek200743Good
Indian Trail Road over Branch Mile Creek198939Fair
Indian Trail Road over Bruns Ditch198630Fair
Indian Trail Road over Geier Creek198630Fair

Source: FHWA National Bridge Inventory, 2025.

Mercer County bridge conditions · Ohio bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.