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Every bridge in Monroe County, Illinois

132 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B198236,900Fair
Il 3 SB over Palmer Rd/Palmer Crk199136,900Fair
Ill 3 NB over Palmer Rd/Palmer Crk198430,200Fair
Fai 255 EB over Mississippi River198625,850Fair
Fai 255 Nb/eb over UPRR198425,850Poor
Fai 255WB over Mississippi River198425,850Fair
I 255 NB Ramp D over 255 SB->IL3 SB Rmp B198225,850Fair
IL3NB-255WB Ramp A over I 255 NB - Ramp D198225,850Fair
Ill 3 over Wilson Creek195824,200Good
Fai 255 Sb/wb over UPRR198111,400Fair
I-255 Rdwys A E D over Hill Creek198211,400Good
IL 3 Rdwys F B E & over Hill Lake Creek197811,400Good
Il 158 over Il 320129,550Good
Ill 3 over Rockhouse Creek19956,950Good
Palmer Rd/mss 1002 over Palmer Creek19925,050Good
Fas 850 over Trib to Gerhart CR.20044,650Good
Ill 159 over Black Creek19284,600Fair
Ill 159 over Prairie Du Long Crk19284,500Fair
Fau 9300 over Carr Creek19953,750Poor
Fas 1857/CH 6 over Little Carr Creek19843,350Good
Fas 1857/ch6 over Long Slashcreek19823,350Good
Il 156 over Fountain Creek19273,350Fair
Old Rte 3 over Hill Lake Creek20083,200Good
Valmyer Rd/fau 930 over Carr Creek19802,450Good
Fas 1857 over Fountain Creek20082,400Good
Fau 9314 over Fountain Creek20022,150Good
Il 156 over Prairie Dulong CR19942,050Fair
Ramp from IL 3 NB over Palmer Creek19911,850Good
Admiral Trost Rd over Wilson CR. Mss 129620071,700Good
Admiral Trost over Wilson Creek20051,700Good
FAU 9315 Moore St. over Fountain Ck Trib20071,700Good
Ramp to IL 3 SB over PALMER CRK Overflow19911,700Good
Ramp to IL 3 SB over Palmer Creek19911,700Fair
Ill 156 over Bond Creek19901,650Fair
Gall Rd Fau 9345 over Tributary to Carr Ck19821,600Fair
Gall Rd./ Fau 9345 over Trib Carr Ck19921,600Fair
Maeystown Rd over Maeystown Creek18811,550Fair
Ch 12 over Dennis Hollow Creek19821,350Fair
Ch 12 over Duck Creek19821,350Good
Fas-1858 (ch-12) over Dennis Hollow19271,350Poor
Rueck Road over Un-named Creek20001,350Good
Ghent Rd/fau 9310 over Palmer Creek19911,250Good
Fas 854 Ch 8 over Gulf Mobile & Ohio R19701,100Good
Ms 6190 (carl St) over Creek19721,050Poor
Ms 5900A Ramsey Rd over Palmer CR1986950Fair
Ch 5/FAS 857 over Horse Creek1987775Fair
Fas 1857 over Trib. to Moredock Lk1998725Fair
Gall Rd/ Fau 9345 over Carr Creek1978675Poor
Hh Road Tr 47 over Fountain Creek1981550Fair
Tr 47 over Bond Creek1991550Good
CH5 FAS857 over Paint Creek2008525Good
Admiral Weinel Blv over Wilson Creek1998500Good
Mss 1324 Stockel L over Trib to Fountain CR2004500Good
Fas 1857 over Monroe Creek2007475Good
Gerdern Drive over Palmer Creek1995450Good
Tr 127 Mm Road over Horse Creek1979425Good
Gilmore Lake RDTR5 over Gerhardt Creek2006400Good
J-road Tr-102 over Rockhouse Creek1982400Good
Fas 1857 over Maeystown Creek1980375Fair
Fas 1857 over Maeystown Creek1980375Good
Fas 855 over Maeystown Ck. Trib2003350Good
Levee Road over Fai 2551984350Fair
Ll ROAD/TR121 over Richland Creek1981350Good
Maeystown Mss 1030 over Maeystown Creek1941350Poor
Tr 66 Gilmore Lke over Prairie Du Long Crk1997350Good
Tr 66A Gilmore Lk over Trib Praire Du Long1989350Good
Tr 72 over Andys Run1950350Fair
Ch 12 over Drainage Canal2023325Good
Fas 1857 over Morrison Hollow Ck2003325Good
Bluff Rd/ Fas 1857 over Fults Creek1983300Poor
Tr 52 D Rd over Bond CR1986300Good
Tr 69/TROUT Camp R over Bond Creek1996300Good
TR 74 Gall Rd over Andys Run2013275Good
Tr 85 Nike Rd over Richland Creek2001275Poor
Levee Rd Tr 28 over Carr Creek1983250Good
Martini RDTR59 over Kopp Creek1985250Fair
Tr 107 Kk Road over Ryan Creek1996250Good
Tr 115/LL Road over Bradley Branch1995250Good
Tr 142 Obst Rd. over Black Creek Trib1989250Good
Tr 71 Konarcik Rd over Walters Creek1996250Good
Fas 1857 over Trib to Drng Ditch1955225Fair
Fas 1857 over Trib to Fults Creek1987225Good
Gilmore Lk Rd/ Tr over Trib Gerhardt Creek1992225Fair
TR133 Brandt Rd over Maeystown CR1986225Fair
Tr 23 over Little Carr Creek1984225Good
Tr 51 Gilmore Lk R over Trib to Gerhardt Ck2002225Good
Tr 85 Nike Rd over Richland CR. Trib.2001225Good
Fas 1857 over Lake Mildred Outlet1996200Fair
Fas 1857 over One Mile Race Creek1988200Fair
J Road/ Tr 102 over Trib to Rockhouse CR1985200Fair
Levee Rd./ Tr 28 over Fish Lake Dr Ditch1957200Good
Tr 114/ Lrc Rd. over Fountain Ck1935200Fair
Tr 21 Steppig Rd. over Little Carr Ck.1988200Fair
Tr 28 over Fountain Creek1978200Good
Tr 91 Kk Road over Fountain Creek Trib1994200Good
Brickey Rd Tr 119 over Black Creek1910175Fair
Tr 140 over Black Creek Trib1995175Good
Tr 56B / D Road over Fountain Creek1995175Fair
Jj Road/tr 77 over Fountain Creek2009150Good
TR130 Ll Road over Horse Creek1978150Good
Tr 147 Faust Road over Dry Fork Creek1998150Good
TR 147 Faust Rd over Horse Ck2022125Good
TR-74 (Gall Road) over Andys Run Tributary2017125Good
Tr 22 over Fountain Creek1983125Good
Tr 28 over Long Slash Creek2010125Good
Tr 134 over Rocky Branch Trib1991100Good
Tr 165 Vv Road over Paint Creek2001100Good
Tr 165/VV Road over Paintcreek Trib2003100Good
Tr 96 "m" Road over Richland Creek1987100Poor
Fas 1857 over Trib to Moredock Lk199675Good
Goeddeltown Ro Tr over Prairie Ck198375Fair
L Road Tr 136 over Rockey Brook196275Fair
Stringtown Rd Tr 3 over Fults Creek200775Good
TR139/OUTLET Rd over Monroe City Ck197875Poor
Tr 141 Fults Rd over Fults Creek199275Fair
Tr 145 S. Fork Rd over Horse CR198475Fair
Tr 145 S. Fork Rd over South Fork198875Poor
Tr 38 Stringtown R over Morrison Hollow Crk199875Good
Tr 7 over Carr Creek199275Fair
Tr 82 over Kopp Creek199175Good
Kaskakia Rd. TR149 over Fults Drainage Ditch198350Good
TR 43 Merrimac Rd over Long Slash Creek201250Good
TR32 Ivy Rd over Drainage Ditch197850Good
Tr 12 Levee Rd over Harrisonvill Ditch194950Good
Tr 170 over Dry Fork CR.199050Fair
Tr 20 over Valmeyer Drainage Dt198350Good
Kk RDTR105 over Harrison-ville Drdis198525Good
TR 32 Long Lake Rd over Maeystown Creek Trib201425Good
Tr 30A Garleb Rd over Long Slash Creek200425Good
Steffen Rd Tr 40 over Maeystown Creek200510Good
Tr 32 over Maeystown Ck199010Good
Tr 95 Harris Rd over Harrisonville Ditch199410Good

Source: FHWA National Bridge Inventory, 2025.

Monroe County bridge conditions · Illinois bridges by county.

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