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Every bridge in Rock County, Wisconsin

304 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
Ih 39 /ih 90 over Br Rock River201857,700Good
Ih 39 NB / Ih 90 W over Spring Brook / Spring Br201838,500Good
Ih 39 SB / Ih 90 E over Spring Brook / Spring Br201938,500Good
Ih 39 NB / Ih 90 W over Cnw/up RR201832,550Good
Ih 39 NB/90 WB over Cth O/ East Delavan Road200432,550Good
Ih 39 SB / Ih 90 E over Cnw RR201932,550Good
Ih 39 SB / Ih 90 E over Cth O200332,550Good
Ih 39/90 Sb/eb over Lrd Newville Rd201929,900Good
Ih 39 NB / Ih 90 W over Lrd Kennedy Rd202029,625Good
Ih 39 SB / Ih 90 E over Cth M201929,625Good
Ih 39 SB / Ih 90 E over Lrd Kennedy Rd & Bike Pa202129,625Good
Ih 39sb/90 EB over Lrd Town Line Rd201929,625Good
Ih 39 SB/90 EB over Cmstpp RR / Spring Brook202129,550Good
Ih 39nb/90 WB over Cprr / Spring Brook202029,550Good
Ih 39 NB / Ih 90 W over Lrd Mt Zion Ave201829,500Good
Ih 39 NB / Ih 90 W over Lrd Palmer Dr201829,500Good
Ih 39 NB / Ih 90 W over Lrd Ruger Ave201829,500Good
Ih 39 NB / Ih 90 W over Lrd Ryan Road202029,500Good
Ih 39 NB / Ih 90 W over Sth 26-milton Ave202029,500Good
Ih 39 NB / Ih 90 W over Ush 14202029,500Good
Ih 39 NB/ Ih 90 WB over Lrd Milwaukee Street200429,500Good
Ih 39 NB/90 WB over Wisconsin Southern Railr201929,500Good
Ih 39 SB / Ih 90 E over Lrd Milwaukee Street200329,500Good
Ih 39 SB / Ih 90 E over Lrd Mt Zion Ave201929,500Good
Ih 39 SB / Ih 90 E over Lrd Palmer Drive201929,500Good
Ih 39 SB / Ih 90 E over Lrd Ruger Ave201929,500Good
Ih 39 SB / Ih 90 E over Sth 26-milton Ave202129,500Good
Ih 39 SB / Ih 90 E over Ush 14202129,500Good
Ih 39 SB / Ih 90 E over Wis & Calumet RR202129,500Good
Ih-39 SB/90 EB over Lrd Ryan Road202129,500Good
Ih 39 NB / Ih 90 W over Lrd Town Line Rd201828,850Good
Ih 39 SB / Ih 90 E over Lrd Town Line Rd201928,850Good
Ih 39 NB / Ih 90 W over Lrd Town Line Rd202026,750Good
Ih 39 NB / Ih 90 W over Turtle Creek201826,750Good
Ih 39 NB over Rock River201626,750Good
Ih 39 NB/ Ih 90 WB over Lrd Newville Rd202026,750Good
Ih 39 NB/ Ih 90 WB over Wsor Railroad202026,750Good
Ih 39 SB / Ih 90 E over Wsor201926,750Good
Ih 39nb/90 WB over Cth M202026,750Good
Ih39sb/ih90eb over Rock River / Ellendale R201826,750Good
Ih 39 SB / Ih 90 E over Turtle Creek201926,700Good
Ih 39 NB/90 WB over Lrd Colley Rd200425,600Good
Ih 39 SB over Lrd Colley Road200325,600Fair
Ih 43 NB / Sth 81 over Ih 39 / Ih 90202118,800Good
Ih 43 SB / Sth 81 over Ih 39 / Ih 90202118,800Good
Sth 81-portland Av over Rock River199618,200Fair
Ush 51 over Soo Line RR199017,700Fair
Ush 51-center Ave over Rock River199017,700Fair
Ush 51-e Centerway over Rock River195817,527Fair
Lrd E Memorial Dr over Ush 51-n Parker Dr197016,400Fair
Lrd Cranston Rd over Turtle Creek196415,500Good
Ush 51-center Ave over Union Pacific RR198214,600Poor
Sth 26 NB over Lrd Bowers Lake Rd201313,900Good
Sth 26 NB over Lrd E High St201313,900Good
Sth 26 NB over Lrd Storrs Lake Road201313,900Good
Sth 26 NB over Otter Creek201313,900Good
Sth 26 NB over Wsor RR201313,900Good
Sth 26 SB over Lrd Bowers Lake Rd201313,900Good
Sth 26 SB over Lrd E High St201313,900Good
Sth 26 SB over Lrd Storrs Lake Rd201313,900Good
Sth 26 SB over Wsor RR201313,900Good
Sth 26SB over Otter Creek201313,900Good
Lrd W Memorial Dr over Rock River & UPRR196913,700Fair
Sth 81 over Turtle Creek199112,500Fair
Ush 51-e Grand Ave over Turtle Creek199712,400Good
Sth 59 over Ih 39201611,700Good
Lrd Henry Ave over Rock River195611,400Fair
Cth 6TH St Cth D over Lenigan Creek194811,300Fair
Ush 14 over Blackhawk Creek195111,300Fair
Ush 14 over Spring Brook195111,300Fair
Sth 11 / E. Racine over Ih 39 SB201310,900Good
Ush 14 over Rock River194810,900Fair
Sth 59 over Rock River199010,300Fair
Lrd Racine Street over Spring Brook19689,900Fair
Ush 51 over Br Rock River19739,700Good
Ush 14-sth 11 over Br Blackhawk Creek19829,600Good
Ush 14-sth 11 over Br Blackhawk Creek19829,600Fair
Sth EB Sth 11 over Lrd Read Rd19899,550Fair
Sth EB Sth 11 over Union Pacific RR19899,550Fair
Ih 43 NB over Cth J19759,400Fair
Ih 43 NB over Lrd Carvers Rock Rd19759,400Fair
Ih 43 NB over Lrd Summerville Rd19759,400Fair
Ih 43 NB over Sth 14019759,400Fair
Ih 43 SB over Lrd Carvers Rock Rd19759,400Fair
Ih 43 SB over Lrd Summerville Rd19759,400Fair
Ih 43 SB over Sth 14019759,400Fair
Cth Q Newark Rd over Rock River19729,300Fair
Lrd N Milton Rd over Otter Creek19559,153Fair
Cth G over Waterway20159,000Good
Lrd Harmony Town H over Sth 2620129,000Good
Ush 51 over Cth F19959,000Fair
Ush 51 over Br Rock River19928,750Fair
Ih 43 NB over Cnw RR19758,700Fair
Ih 43 NB over Cth X / Hart Rd19768,700Fair
Ih 43 NB over Lrd Buss Rd19758,700Good
Ih 43 NB over Lrd Schroeder Rd19758,700Fair
Ih 43 SB over Cnw RR19758,700Fair
Ih 43 SB over Cth J19758,700Fair
Ih 43 SB over Cth X / Hart Rd19768,700Fair
Ih 43 SB over Lrd Buss Rd19758,700Fair
Ih 43 SB over Lrd Schroeder Rd19758,700Fair
Lrd Shirland Ave over Rock River19848,700Fair
Sth 26 NB over Sth 5920138,450Good
Sth 26 SB over Sth 5920138,450Good
Ih 43 NB over Cp Railroad and Spring B20208,350Good
Lrd Wright Rd over Spring Brook19698,300Fair
Ush 51-main St over Saunders Creek19608,000Fair
Lrd Black Bridge R over Lrd Reclamation Way19837,900Fair
Sth 11 WB over Lrd S Read Rd20047,900Good
Sth 11 WB over Union Pacific RR20047,900Good
Lrd E Court St over Rock River19967,585Good
Lrd Beloit Ave over Spring Brook19907,500Fair
Lrd E Main St over Allen CR20116,967Good
Lrd Milwaukee St over Rock River20206,700Good
Lrd W Racine St over Rock River19496,600Fair
Cth S Shopiere Ro over Turtle Creek20085,900Fair
Sth 59-fulton St over Saunders Creek19685,900Good
Sth 59-sth 213-mad over Allen Creek19815,900Fair
Ih 43 SB over Ih 39 / Ih 90 / Sth 8120215,800Good
Ush 51 over Rock River19385,800Fair
Cth D over Sth 1120015,700Good
Lrd Willard Ave over Rock River19835,700Fair
Sth 213-4th St over Rock River19625,700Poor
Ih 39 NB / Ih 90 W over Sth 8120215,650Good
Ih 43 NB over Ih 9020215,650Good
Sth 11 over Unnamed Tributary20225,317Good
Cth N over Sth 2620125,300Good
Lrd Cth Bt-inman P over Turtle Creek20165,120Good
Lrd Grand Ave over Rock River19935,100Good
Sth 11 over Drainage20015,100Fair
Sth EB Sth 11 over Lrd South Oakhill Ave20025,000Good
Sth WB Sth 11 over Lrd South Oakhill Avenue20025,000Good
Sth 11 over Stevens Creek19924,800Fair
Lrd 4TH St over Lenigan Creek20174,700Good
Sth 11 over Taylor Creek20044,700Fair
Sth 59 EB over Wisconsin & Southern RR20094,700Good
Sth 59 WB over Wisconsin & Southern RR20094,700Good
Sth EB Sth 11 over Lrd South River Road20024,700Good
Lrd Cranston Rd over Springbrook Creek20024,400Fair
Sth 11 over Bass Creek19584,400Fair
Cth H over Marsh Creek20084,330Good
Lrd Cranston Rd over Ih 9020034,300Good
Cth Hwy D over Bass Creek19984,218Fair
Sth 104 over Allen Creek19904,100Fair
Sth 11 over Markham Creek19704,100Fair
Lrd Jackson Street over Rock River20144,000Fair
Lrd Willowbrook Rd over Spring Brook19894,000Fair
Lrd South Main Str over Spring Brook Creek19903,900Good
Sth 138 over Badfish Creek19923,700Good
Lrd Ruger Avenue over Spring Brook20103,690Fair
Sth 81 over Taylor Creek19763,600Good
Sth 81 over Willow Creek19763,500Fair
Cth D over Br Fisher Creek19623,340Fair
Cth D over Br Rock River19593,331Good
Lrd Park Ave over Turtle Creek19883,300Fair
Sth 81 over Br Raccoon Creek19903,300Fair
Sth 81 over East Fork Raccoon Creek19903,300Good
Sth 81 over Raccoon Creek19903,300Fair
Sth 59-sth 213 over Allen Creek20003,200Fair
Cth E over Marsh Creek20233,148Good
Cth A over Br Blackhawk Creek20243,003Good
Sth 104 over Allen Creek19933,000Fair
Sth 11 over Lrd Rockport Rd20022,800Good
Lrd Hart Rd over Ih 39/9020162,700Fair
Sth 140 over Turtle Creek20052,600Good
Sth 213 over Br Raccoon Creek19842,600Good
Lrd Palmer Dr over Spring Brook19352,500Fair
Sth 11 EB (avalon over Ih 39 / Ih 9020162,500Good
Sth 11 WB (avalon over Ih 39 / Ih 9020162,500Good
Cth S over Br Turtle Creek19662,463Fair
Sth 11 EB over Markham CR20022,350Good
Sth 11 WB over Markham CR20022,350Good
Sth WB Sth 11 over Lrd South River Road20022,350Fair
Lrd Wuthering Hill over Spring Brook Creek19922,300Fair
Sth 213 over Br Allen Creek20212,300Good
Lrd Water St over Allen Creek19962,250Good
Cth D Afton Rd over Markham Creek19572,245Good
Cth D over Fisher Creek19622,237Fair
Lrd Town Line Rd over Rock River19952,089Good
Sth 59 over Badfish Creek19502,000Fair
Sth 59 over Badfish Creek20032,000Good
Sth 59 over Yahara River19462,000Fair
Sth 67 over Br Dry Creek19781,900Good
Cth M over Br Allen Creek20091,805Good
Lrd Swift St over Saunders Creek19921,800Good
Lrd Rockport Rd over Markham Creek19891,759Fair
Cth S (shopiere Rd over Ih 3920151,700Good
Lrd Rockport Rd over Fisher Creek19871,610Good
Lrd Gateway Boulev over Spring Brook Creek20111,537Good
Cth N over Otter Creek19641,461Poor
Cth M over Rock River19561,413Fair
Lrd Townline Road over Sth 2620121,400Good
Lrd Colley Rd over Turtle Creek19831,283Fair
Cth M over Yahara River19501,282Fair
Ih 39 SB to Ih 43 over Ih 39 NB & SB / Ih 90 WB20211,250Good
Lrd Randolph St over Saunders Creek19921,200Good
Lrd South River Rd over Rock River20041,110Fair
Lrd St Lawrence Rd over Raccoon Creek19921,106Fair
Lrd Stateline Rd E over Ih 39/9020171,050Good
Cth J over Turtle Creek Overflow19531,036Poor
Cth H over Br Rock River19831,011Fair
Cth H over Yahara River19521,001Fair
Cth A over Stevens Creek1984965Fair
Lrd Creek Rd over Br Turtle Creek1996889Fair
Cth J over Br Rock River1998866Good
Lrd St Lawrence Rd over E Fork Raccoon Creek2008863Good
Cth H over Bass Creek2017803Good
Lrd Beloit-newark over E Fk Raccoon Creek2003798Good
Lrd Creek Road over Ih 39 / Ih 902016784Good
Lrd Mineral Point over Fisher Creek2020758Good
Lrd S River Rd over Br Rock River1970740Fair
Lrd Sharon Rd over Spring Brook2017740Good
Lrd Hanover Rd over Markham Creek2020681Good
Lrd Stoughton Rd over Br Saunders Creek2003642Good
Cth J over Turtle Creek Tributary 22011630Good
Lrd Turtle Townhal over Spring Brook1999622Good
Cth J over Turtle Creek2022602Good
Cth Mm over Br Blackhawk Creek2017602Good
Lrd Manogue Road over Ih 39 / Ih 902017590Good
Cth B over Norwegian Creek1974527Fair
Cth H over Br Coon Creek2009492Good
Lrd Creek Rd over Cmstpp RR2020480Fair
Lrd Lathers Rd over Turtle Creek1887474Poor
Lrd Spring Creek R over Br Raccoon Creek1976452Fair
Lrd Carvers Rd over Spring Creek1962432Fair
Cth H over Raccoon Creek2005423Good
Lrd Creek Rd over Turtle Creek1957398Poor
Lrd Emerald Grove over Br Blackhawk Creek1993378Fair
Lrd Read Rd over Br Rock River2011369Good
Lrd Beloit-newark over Raccoon Creek1996355Good
Lrd N. Evansville- over Br Allen Creek1996337Good
Lrd N. Evansville- over Allen Creek1981302Fair
Lrd Orfordville-ha over Br Bass Creek1997294Good
Lrd Oriley Rd over Turtle Creek1963293Poor
Lrd Johnson Dr over N Br Bass CR Overflow2003277Good
Lrd Johnson Dr over South Bass CR2003275Good
Lrd Mineral Point over Stevens Creek2003274Fair
Lrd Old 11 Road over Bass Creek2003274Fair
Lrd Burdick Rd over Marsh Creek1982273Fair
Cth J over Little Turtle Creek1976272Poor
Lrd Leedle Mill Rd over Badfish Creek2011264Good
Lrd E Church St over Allen Creek1983243Fair
Lrd Footville-hano over Stevens Creek1990237Fair
Lrd Carvers Rock R over Turtle Creek2017231Good
Lrd Vickerman Rd over Otter Creek1990225Good
Lrd Marsh Rd over Br Bass Creek2004223Good
Lrd Old Hwy 92 over Br Allen Creek2004223Good
Lrd Caledonia Rd over Yahara River1966215Poor
Lrd Hayner Rd over Markham Creek2012205Good
Lrd Avon Rd over Taylor Creek1993198Fair
Lrd Mineral Point over Br Stevens Creek1990198Fair
Lrd Beloit-newark over Sugar River1996194Fair
Lrd Mineral Point over Br Stevens Creek1977185Fair
Lrd S Footville Rd over Br Bass Creek1982184Fair
Cth Kk over Johnstown Creek1977180Fair
Lrd Fellows Rd over Marsh Creek1997179Good
Lrd Beloit-newark over Sugar River1982178Fair
Lrd W. Evansville- over Allen Creek1981176Good
Lrd Milton Shopier over Br Blackhawk Creek1923165Poor
Lrd Casey Rd over Badfish Creek1967157Fair
Lrd S Smith Rd over Turtle Creek2020140Good
Lrd Townsend Rd over Stevens Creek1990137Fair
Lrd Nelson Rd over Br Sugar River1958119Good
Lrd Nelson Rd over Br Sugar River1957119Good
Lrd Nelson Rd over Sugar River1958119Poor
Lrd Hopkins Road over Trib. to Sugar River2003116Fair
Lrd North Town Lin over Trib. to Willow Creek2003116Fair
Lrd Woodman Rd EB over Ih 39 / Ih 902017115Good
Lrd Polzin Road over Marsh Creek2021112Good
Lrd Snyder Rd over Stevens Creek1996108Good
Lrd Cleophas Rd over E Fk Raccoon Creek2006106Good
Lrd Summerville Rd over Little Turtle Creek1976106Fair
Lrd Tighe Rd over Little Turtle Creek1976106Fair
Lrd Tarrant Rd over Blackhawk Creek1989105Poor
Lrd Caledonia Rd over Br Yahara River2008103Good
Lrd Emerald Grove over Wsor Railroad2021102Good
Lrd Elm Drive (dea over Turtle Creek Tributary2022100Good
Lrd Marsh Rd over Bass Creek198099Fair
Lrd Old Hwy 92 over Allen Creek196298Fair
Lrd Brandherm Rd over Bra Sugar River197496Fair
Lrd Hopkins Rd over Br Sugar River199491Good
Lrd Emerald Grove over Br Turtle Creek199790Good
Lrd Lima Center Rd over Johnstown Creek197090Fair
Lrd Cleophas Rd over Raccoon Creek191882Poor
Lrd Skinner Rd over Raccoon Creek202077Good
Lrd Klug Rd over Otter Creek199774Good
Lrd Larid Road over Raccoon Creek197272Fair
Lrd Hanke Rd over Blackhawk Creek197858Fair
Lrd Milton Shopier over Blackhawk Creek198258Fair
Lrd Dickey Rd over Swan Creek199756Fair
Lrd Dorner Rd over Taylor Creek201250Good
Lrd Stebbensville over Yahara River196949Fair
Lrd Summerville Rd over Bra Little Turtle Crk197749Fair
Lrd Riley Rd over Badfish Creek199547Good
Lrd State Line Rd over Dry Creek197343Fair
Lrd Schaffner Rd over Br Bass Creek199642Fair
Lrd Schaffner Rd over Bass Creek199440Good
Lrd Lyons Rd over Norwegian Creek199425Good
Lrd N Footville Rd over Br Stevens Creek198025Fair
Lrd Old 92 Road over Norwegian Creek197425Fair
Lrd Tuttle Road over Marsh Creek198710Good
Lrd Sterns Rd (dea over Br Badfish Creek19452Fair
Lrd Henke Rd over Sth 26 NB20131Good
Lrd Wright Rd over Sth 2620131Good

Source: FHWA National Bridge Inventory, 2025.

Rock County bridge conditions · Wisconsin bridges by county.

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