Iroquois County, Illinois bridges
Iroquois County has 568 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 83 (15%) are rated poor. The most common type is box beam or girders - multiple (37%).
- Bridges
- 568
- Good
- 45%
- Fair
- 40%
- Poor
- 15%
- 83 bridges
- Average age
- 45.1 yrs
- Posted or closed
- 31
Map of bridges in Iroquois County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Iroquois County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good45%(258)
Fair40%(227)
Poor15%(83)
When they were built
Busiest
- I-57 over Dranage DitchFair18,100 vehicles/day
- I-57 over Dranage DitchFair18,100 vehicles/day
- I-57 NB & SB over Prairie CreekFair18,100 vehicles/day
- FAI-57 over StreamFair17,600 vehicles/day
- I-57 SB over Langan CreekFair9,550 vehicles/day
Longest
- Fair
- Ch 2 over IroquoisGood399 ft
- US 24 over Sugar CRFair379 ft
- Fair
- Fair
Oldest
- Colfax ST over Trib of Spring CRPoorBuilt 1900
- TR 2 D over Sheldon Ditch #1GoodBuilt 1900
- TR 2 D over Sheldon Ditch #1FairBuilt 1900
- TR 49 B over Prairie CRPoorBuilt 1904
- TR 396 over Trib to Sugar CRPoorBuilt 1907
All bridges in Iroquois County
Busiest first · showing 1–200 of 568| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-57 over Dranage Ditch No. 038201900000000 | 7.15 M. S. of Il 116 | 2015 | Culvert | 22 ft | 18,100 | Fair |
| I-57 over Dranage Ditch No. 038202000000000 | 5.10 M. S. of Il 116 | 2015 | Culvert | 24 ft | 18,100 | Fair |
| I-57 NB & SB over Prairie Creek No. 038202100000000 | 4.14 M. S. of Il 116 | 2015 | Culvert | 196 ft | 18,100 | Fair |
| FAI-57 over Stream No. 038200800000000 | 1.75 MI N of Ford CO | 1971 | Culvert | 23 ft | 17,600 | Fair |
| I-57 SB over Langan Creek No. 038021500000000 | 2.23 MI S Chebanse I | 2013 | Stringer/Multi-beam or Girder | 216 ft | 9,550 | Fair |
| FAI-57 NB over Langan Creek No. 038021600000000 | 2.22 MI S FAS 1322 | 2014 | Stringer/Multi-beam or Girder | 216 ft | 9,550 | Fair |
| FAI-57 NB over FAS 317 & Icg RR No. 038001300000000 | 0.78 MI S Clifton in | 1966 | Stringer/Multi-beam or Girder | 374 ft | 9,200 | Fair |
| FAI-57 SB over FAS 317 & Icg RR No. 038001400000000 | 0.78 M S Clifton Int | 1966 | Stringer/Multi-beam or Girder | 374 ft | 9,200 | Fair |
| FAI-57 SB over Ic RR No. 038000300000000 | 8.98 MI S Ashkum Int | 1967 | Stringer/Multi-beam or Girder | 227 ft | 9,050 | Fair |
| FAI-57 NB over Ic RR No. 038000400000000 | 8.98 MI S Ashkum Int | 1967 | Stringer/Multi-beam or Girder | 227 ft | 9,050 | Poor |
| FAI-57 NB over T. P. & W RR No. 038000500000000 | 8.78 MI S Ashkum Int | 1967 | Stringer/Multi-beam or Girder | 174 ft | 9,050 | Fair |
| FAI-57 SB over T.P. & W RR No. 038000600000000 | 8.76 MI S Ashkum Int | 1967 | Stringer/Multi-beam or Girder | 174 ft | 9,050 | Poor |
| FAI-57 NB over West Second ST No. 038000700000000 | 8.63 MI S Ashkum Int | 1967 | Stringer/Multi-beam or Girder | 107 ft | 9,050 | Fair |
| FAI-57 SB over West Second ST No. 038000800000000 | 8.6 MI S Ashkum Int | 1967 | Stringer/Multi-beam or Girder | 107 ft | 9,050 | Poor |
| FAI-57 NB over Prairie CR No. 038000900000000 | 6.16 MI S of Ill 116 | 1967 | Slab | 112 ft | 9,050 | Poor |
| FAI-57 SB over Prairie Creek No. 038001000000000 | 6.18 MI S of Ill 116 | 1967 | Slab | 112 ft | 9,050 | Poor |
| I-57 SB over Spring Creek No. 038022200000000 | 2.5 MI S Buckley Int | 2012 | Stringer/Multi-beam or Girder | 116 ft | 8,800 | Good |
| I-57 NB over Spring Creek No. 038022300000000 | 2.5MI S Buckley Intr | 2012 | Stringer/Multi-beam or Girder | 116 ft | 8,800 | Fair |
| FAI-57 over Louis Creek No. 038201600000000 | 0.89 M.S Buckley Int | 2002 | Culvert | 31 ft | 8,800 | Fair |
| FAI-57 SB over Louis Creek No. 038015100000000 | 7.33 M S Onarga Int | 1968 | Slab | 94 ft | 8,750 | Poor |
| FAI 57 NB over Louis Creek No. 038015200000000 | 7.33 M S Onarga Int | 1968 | Slab | 93 ft | 8,750 | Poor |
| FAI-57 SB over Branch of Spring CR No. 038015300000000 | 3.1 MI S Onarga Int | 1968 | Tee Beam | 101 ft | 8,750 | Fair |
| FAI-57 NB over Branch of Spring CR No. 038015400000000 | 3.1 MI S Onarga Int | 1968 | Tee Beam | 101 ft | 8,750 | Fair |
| FAI-57 SB over Spring Creek No. 038015500000000 | 2.41 MI S Onarga Int | 1968 | Tee Beam | 128 ft | 8,750 | Fair |
| FAI 57 NB over Spring Creek No. 038015600000000 | 2.41 MI S Onarga Int | 1968 | Tee Beam | 128 ft | 8,750 | Fair |
| FAI-57 SB over Sugar Creek No. 038000100000000 | 0.96 MI S Gilman Int | 1967 | Slab | 91 ft | 8,200 | Fair |
| FAI-57 NB over Sugar Creek No. 038000200000000 | 0.95 MI S Gilman Int | 1967 | Slab | 91 ft | 8,200 | Fair |
| US 24 over I 57 No. 038003100000000 | Gilman Interchange | 1967 | Stringer/Multi-beam or Girder | 222 ft | 6,800 | Fair |
| US 24 over Drainage Ditch No. 038201300000000 | .05 Mile E of Ill 49 | 1994 | Culvert | 24 ft | 4,500 | Good |
| US 24 over Sugar CR No. 038017900000000 | W Edge of Watseka | 1979 | Stringer/Multi-beam or Girder | 379 ft | 3,750 | Fair |
| US 45-52 over Langan CR No. 038011500000000 | 5.15 MI N of US 52-IL 49 | 1952 | Stringer/Multi-beam or Girder | 134 ft | 3,650 | Poor |
| US 45-52/FAP 840 over Drainage Ditch No. 038202400000000 | 0.30 MI S of K3 CO | 2013 | Culvert | 29 ft | 3,650 | Good |
| US 45/52 over Trib to Langan Creek No. 038202900000000 | 3.51 M N of US 52 | 2019 | Culvert | 28 ft | 3,650 | Good |
| US 24 over Raymond Creek No. 038003700000000 | 2.65 MI E of Ill 1 | 1957 | Slab | 100 ft | 3,500 | Fair |
| US 45 FAS 338 over Spring Creek (s) No. 038201800000000 | 14.88 MI S of Il 54 | 2008 | Culvert | 24 ft | 3,300 | Good |
| US 45 & US 52 over Prairie Creek No. 038011700000000 | 1.33 MI N of US 52-IL 49 | 1952 | Stringer/Multi-beam or Girder | 64 ft | 3,250 | Poor |
| US 24 over Drainage Ditch No. 038003300000000 | 3.1 Miles E of US 45 | 1954 | Stringer/Multi-beam or Girder | 186 ft | 3,200 | Fair |
| US 24 over Spring Creek No. 038003400000000 | 4.1 Miles E of US 45 | 1954 | Stringer/Multi-beam or Girder | 208 ft | 3,200 | Fair |
| US 45 over Drainage Ditch No. 038021100000000 | 0.39 MI S of US 24 | 2004 | Stringer/Multi-beam or Girder | 89 ft | 3,000 | Good |
| US 24 over Drainage Ditch No. 038003200000000 | 2.1 Miles E of US 45 | 1954 | Stringer/Multi-beam or Girder | 108 ft | 2,900 | Fair |
| Il 1 over Iroquois River No. 038021900000000 | 1.0 MI N of US 24 | 2015 | Stringer/Multi-beam or Girder | 346 ft | 2,600 | Good |
| Il 1/FAP 332A over Coon Creek No. 038020900000000 | 5.35 M S of US 24 | 2022 | Stringer/Multi-beam or Girder | 106 ft | 2,450 | Good |
| Ill 49 over Spring Creek No. 038011800000000 | 2.47 MI N of US 24 | 1961 | Stringer/Multi-beam or Girder | 285 ft | 2,300 | Fair |
| US 24 over Prairie Creek No. 038018600000000 | 4.52 MI W of I-57 | 1987 | Slab | 101 ft | 2,300 | Fair |
| US 24 over Trib Prairie Creek No. 038018700000000 | 3.74 MI W of I-57 | 1987 | Slab | 65 ft | 2,300 | Fair |
| Ill 1/FAP 332A over Sugar Creek No. 038019700000000 | 2.73 M S of US 24 | 1992 | Stringer/Multi-beam or Girder | 60 ft | 2,300 | Fair |
| Il 1/FAP 332A over Trib to Sugar Creek No. 038202500000000 | 1.85 MI S of US 24 | 1953 | Culvert | 26 ft | 2,300 | Fair |
| Il 49 FAP 840 over Drainage Ditch No. 038202600000000 | 0.48 MI N of US 24 | 2015 | Culvert | 29 ft | 2,300 | Good |
| Ill 1 over N Martinton Dt No 2 No. 038001900000000 | 2.20 MI N of US 52 | 1955 | Slab | 106 ft | 2,250 | Fair |
| Il 1 over Pike Creek No. 038022600000000 | 0.15 M N of US 52 | 2021 | Slab | 91 ft | 2,250 | Good |
| Il 1/FAP 332A over Sugar Creek No. 038002500000000 | S Edge of Milford | 1937 | Stringer/Multi-beam or Girder | 207 ft | 2,200 | Fair |
| Il 1/FAP 332A over Sugar Creek Trib No. 038020000000000 | 3.18 M N of Ch 10 | 1994 | Stringer/Multi-beam or Girder | 170 ft | 2,200 | Fair |
| Il 1/FAP 332A over Sugar Creek Trib No. 038020100000000 | 7.72 MI N Il 9 | 1994 | Stringer/Multi-beam or Girder | 109 ft | 2,200 | Fair |
| Il 1 over Gay Creek No. 038202300000000 | 3.2 M N of Il 9 | 2019 | Culvert | 24 ft | 2,200 | Good |
| Il 1 over Gay Creek No. 038256700000000 | 16.7 MI S US 24 | 2022 | Culvert | 29 ft | 2,200 | Good |
| Il 49 FAP 840 over Pidgeon Creek No. 038021700000000 | 16.12 MI S of US 24 | 2008 | Stringer/Multi-beam or Girder | 138 ft | 2,100 | Good |
| US 45 over Creek No. 038201200000000 | 1.5 M N Loda | 1993 | Culvert | 22 ft | 2,100 | Fair |
| Ill 1 over Little Beaver Creek No. 038001700000000 | 1.2 N Papineau RD | 1918 | Slab | 63 ft | 2,000 | Poor |
| Ill 1 over Big Beaver Creek No. 038020600000000 | .76 MI N Papineau RD | 1998 | Stringer/Multi-beam or Girder | 130 ft | 2,000 | Fair |
| FAS 1324/OLD US 45 over Trib of Langan Creek No. 038018400000000 | 1.2 MI S of Chebanse | 1987 | Box Beam or Girders - Multiple | 47 ft | 1,900 | Good |
| FAS 1324/OLD US 45 over Langan Creek No. 038018500000000 | 2.3 MI S of Chebanse | 1987 | Box Beam or Girders - Multiple | 128 ft | 1,900 | Fair |
| Ill 49 over Trib of Shaveyail CR No. 038019100000000 | 3.35 MI S of US 24 | 1990 | Stringer/Multi-beam or Girder | 42 ft | 1,900 | Fair |
| US 45 FAS 338 over Spring Creek No. 038021400000000 | 10.58 MI S of Il 54 | 2009 | Slab | 95 ft | 1,900 | Good |
| Ill 116 Ashkum Int over I 57 No. 038012300000000 | Ashkum Inter | 1967 | Stringer/Multi-beam or Girder | 265 ft | 1,800 | Fair |
| US 52 over Iroquois River No. 038010300000000 | 1.73 MI E of Ill 49 | 1929 | Stringer/Multi-beam or Girder | 410 ft | 1,750 | Fair |
| US 52 over Pike Creek No. 038010400000000 | 0.24 MI E of Ill 1 | 1928 | Box Beam or Girders - Multiple | 43 ft | 1,700 | Poor |
| US 52 over Martinton DR Ditch No. 038200700000000 | 3.27 MI E of Ill 1 | 1980 | Culvert | 25 ft | 1,700 | Good |
| US 52 over Martinton Ditch No 3 No. 038202800000000 | 2.55 MI E of Il 1 | 2015 | Culvert | 24 ft | 1,700 | Good |
| US 45/FAS 317 over Prairie Creek No. 038201500000000 | 0.85 MI N of US 24 | 2010 | Culvert | 33 ft | 1,450 | Good |
| FAS 335W/CH 10 over FAI 57 No. 038007700000000 | 6.45 M S Buckley Int | 1968 | Stringer/Multi-beam or Girder | 255 ft | 1,350 | Fair |
| US 45 over Prairie Creek No. 038022500000000 | 2.35 M N of US 24 | 2020 | Stringer/Multi-beam or Girder | 86 ft | 1,350 | Good |
| US 45 FAS 317 over Prairie Creek No. 038201700000000 | 3.34 MI N of US 24 | 2008 | Culvert | 26 ft | 1,350 | Good |
| FAS 325 over Sugar Creek No. 038350000000000 | .75 MI SW Watseka | 1974 | Stringer/Multi-beam or Girder | 345 ft | 1,300 | Fair |
| US 52 over Iroquois River No. 038018200000000 | 3.31 MI N of US 24 | 1988 | Stringer/Multi-beam or Girder | 218 ft | 1,200 | Fair |
| US 52 over Drainage Ditch No. 038201100000000 | 0.43 M N US 24 | 1994 | Culvert | 22 ft | 1,200 | Good |
| FAS-330 CH31 over Iroquois River No. 038460300000000 | 1MI N Watseka on 31 | 1965 | Stringer/Multi-beam or Girder | 255 ft | 1,200 | Poor |
| Ill 54 over I 57 No. 038004800000000 | Onarga Interchange | 1967 | Stringer/Multi-beam or Girder | 222 ft | 1,150 | Poor |
| FAS 325 over Drain Dt No. 038006100000000 | 2.91 MI S of Ill 1 | 1958 | Slab | 53 ft | 1,150 | Fair |
| TR-290 over Iroquois River No. 038463600000000 | 2.5 Mi.N. of Watseka | 2018 | Slab | 70 ft | 1,100 | Good |
| FAS 334 /C.H.9 over FAI 57 No. 038007600000000 | 1.1 MI W US 45 | 1968 | Stringer/Multi-beam or Girder | 295 ft | 1,050 | Poor |
| Ill 49 over Pigeon CR No. 038017400000000 | 4.4 MI N Ill 9 | 1974 | Box Beam or Girders - Multiple | 94 ft | 1,050 | Fair |
| Ill 49 over Br Pigeon Creek No. 038019000000000 | 2.4 MI N of Ill 9 | 1990 | Slab | 68 ft | 1,050 | Poor |
| U.S. 45 over Spring Creek No. 038021000000000 | 0.25 M S Del Ray RD | 2002 | Stringer/Multi-beam or Girder | 100 ft | 1,050 | Fair |
| US 45 over Louis Creek No. 038021200000000 | 1.68 MI N of Buckley | 2007 | Slab | 102 ft | 1,050 | Good |
| US 45 FAP 681 over Prairie Creek No. 038022100000000 | 1.5 MI W/Il 49 | 2011 | Slab | 92 ft | 1,050 | Good |
| FAS 334 (ch 9) over Trib. to Louis Creek No. 038301100000000 | 0.5 MI W Buckley | 2001 | Stringer/Multi-beam or Girder | 71 ft | 1,050 | Good |
| Ill 49 over Shavetail Creek No. 038009300000000 | 4.83 MI S of US 24 | 1927 | Box Beam or Girders - Multiple | 55 ft | 1,000 | Poor |
| FAS 334 CH-9 over Sugar Creek No. 038018000000000 | 1.42 MI W of Ill 1 | 1984 | Box Beam or Girders - Multiple | 235 ft | 1,000 | Good |
| Ill 49 over Little Mud Creek No. 038019800000000 | 12.62 M S US 24 | 1993 | Stringer/Multi-beam or Girder | 140 ft | 1,000 | Fair |
| Il 54 over Spring Creek No. 038020700000000 | 7.6 M N of Ill 115 | 2000 | Stringer/Multi-beam or Girder | 132 ft | 1,000 | Good |
| Ill 54 over Spring Creek No. 038021300000000 | 1.12 MI N of Thawvil | 2004 | Stringer/Multi-beam or Girder | 91 ft | 1,000 | Fair |
| Ill 49 over Br Shavetail Crk No. 038201400000000 | 5.51 MI S JCT 49&24 | 1996 | Culvert | 32 ft | 1,000 | Good |
| TR 58A over I 57 No. 038012900000000 | 1.17 MI S Gilman Int | 1967 | Stringer/Multi-beam or Girder | 344 ft | 900 | Fair |
| TR 290 over Trib Iroqois River No. 038463300000000 | 4.4 MI S US 52 | 2003 | Box Beam or Girders - Multiple | 58 ft | 900 | Good |
| FAS 1322 (ch 37) over I-57 No. 038013600000000 | Chebanse Int | 1965 | Stringer/Multi-beam or Girder | 201 ft | 850 | Fair |
| Il 116 FAP 681 over Br of Langan Creek No. 038022000000000 | 3.81 MI W of I-57 | 2011 | Slab | 76 ft | 850 | Good |
| Il 116 over Langan Creek No. 038201000000000 | 3.97M E Ford C LN | 1992 | Culvert | 37 ft | 850 | Good |
| Il 116 FAP 681 over Langan Creek No. 038202200000000 | 6.5 MI W of I-57 | 2009 | Culvert | 30 ft | 850 | Good |
| Il 116 (fap 681) over Drainage Ditch No. 038202700000000 | 2.15 MI W of I-57 | 2016 | Culvert | 24 ft | 850 | Good |
| FAS 321 (ch 4) over I-57 No. 038013500000000 | Clifton Inter | 1965 | Stringer/Multi-beam or Girder | 262 ft | 825 | Poor |
| TR-290 over Pike Creek No. 038450600000000 | 2.25MI S Martinton | 1965 | Channel Beam | 69 ft | 825 | Poor |
| Ch 29 over I-57 No. 038008800000000 | 3.0 M S of Cheb Intr | 1965 | Stringer/Multi-beam or Girder | 207 ft | 800 | Poor |
| FAS 323 over Sugar Creek No. 038005600000000 | 2.7 Mi. E. of Ill. 1 | 1963 | Stringer/Multi-beam or Girder | 220 ft | 775 | Good |
| FAS 323 Ch 40 over Coon CR No. 038019600000000 | 2.19 MI W of Il 1 | 1991 | Stringer/Multi-beam or Girder | 113 ft | 650 | Good |
| FAS 1322 CH37 over TR1 B of Trail CR No. 038013700000000 | 0.34 MI E US 52 | 1932 | Slab | 24 ft | 575 | Good |
| CH44 over Trib Little Mud CR No. 038510000000000 | 1.5MI W Cissna Park | 1964 | Box Beam or Girders - Multiple | 41 ft | 550 | Good |
| FAS 329 Ch 10 Sa 1 over Fountain Creek No. 038006800000000 | 5.06 MI E of Ill 49 | 1958 | Slab | 90 ft | 500 | Fair |
| FAS 329 Ch 10 Sa 1 over Gay Creek No. 038007000000000 | 1.32 MI W Old Ill 1 | 1961 | Slab | 82 ft | 500 | Fair |
| Ch 9 FAS 334 over Spring CR No. 038300200000000 | 1 MI E JCT CH9 US45 | 1952 | Stringer/Multi-beam or Girder | 104 ft | 500 | Fair |
| TR 251C over Shavetail Creek No. 038310400000000 | 1M E of Ill 49 | 1973 | Channel Beam | 32 ft | 500 | Fair |
| FAS 329 CH-10 over Trib. Pigeon CR No. 038410100000000 | 1.39 MI E of Ill 49 | 1985 | Box Beam or Girders - Multiple | 59 ft | 500 | Good |
| FAS 329/CH 10 over Whisky Creek No. 038410200000000 | 2.95 MI E.Of Il 49 | 1999 | Box Beam or Girders - Multiple | 84 ft | 500 | Good |
| FAS 329 Ch 10 Sa 1 over Fountain Creek No. 038440400000000 | 3.68 MI W Old Ill 1 | 2010 | Stringer/Multi-beam or Girder | 72 ft | 500 | Good |
| FAS 326 Bryce RD over Jefferson Creek No. 038018800000000 | 1.04 MI S of FAS 323 | 1988 | Stringer/Multi-beam or Girder | 76 ft | 475 | Good |
| FAS 334(CH 9) over Louis Creek Trib No. 038301400000000 | 3 1/4 Mile W Buckley | 2013 | Stringer/Multi-beam or Girder | 67 ft | 475 | Good |
| FAS 1322 (ch 37) over W Br. of Horse Crk No. 038480900000000 | 1.7 MI W CH8 on CH37 | 2010 | Culvert | 30 ft | 475 | Good |
| FAS 1320 over Beaver CR No. 038500300000000 | 4 MI W of Papineau | 1978 | Box Beam or Girders - Multiple | 215 ft | 475 | Fair |
| FAS 323 Onarga RD over Shavetail Creek No. 038018900000000 | 0.19 MI W of Ill 49 | 1989 | Stringer/Multi-beam or Girder | 66 ft | 450 | Good |
| FAS 323 Onarga RD over Spring Creek No. 038019200000000 | 5.62 MI W of Ill 49 | 1989 | Stringer/Multi-beam or Girder | 131 ft | 450 | Good |
| TR 251F over Jefferson Creek No. 038008500000000 | 3.3 MI S of Woodland | 1938 | Slab | 44 ft | 425 | Fair |
| FAS 321 Ch 4 over Iroquois River No. 038017800000000 | 3 MI E of Ill 45 | 1975 | Stringer/Multi-beam or Girder | 372 ft | 425 | Good |
| Ch 4 over Pike CR over Pike Creek No. 038450900000000 | 3.25 MI W Sbi 1 | 2022 | Box Beam or Girders - Multiple | 131 ft | 425 | Good |
| FAS 322/CH 3 over Trib Beaver River No. 038500500000000 | .50 MI W Papineau | 2001 | Slab | 69 ft | 425 | Good |
| Beaverville RD Ch over Beaver Ditch No. 038008700000000 | 2.40 MI N of US 52 | 1933 | Slab | 36 ft | 400 | Fair |
| FAS 319 Ch 8 over Prairie Creek No. 038401100000000 | .11 N US24 Lahoguerd | 2010 | Slab | 68 ft | 400 | Good |
| FAS 335 (ch 10) over Pigeon Creek Trib No. 038430600000000 | 3.0 Mi. E. of Loda | 2003 | Box Beam or Girders - Multiple | 66 ft | 400 | Good |
| FAS 335 (ch 10) over Pigeon Creek Trib. No. 038430700000000 | 2.5 Mi. East of Loda | 2003 | Box Beam or Girders - Multiple | 70 ft | 400 | Good |
| Beaverville RD Ch over Pike Creek No. 038004900000000 | 1.52 MI N of US 52 | 1933 | Slab | 28 ft | 375 | Fair |
| Ch 47 over Spring Creek No. 038019300000000 | .35 MI E of US 45 | 1990 | Stringer/Multi-beam or Girder | 141 ft | 375 | Good |
| FAS 335 (ch 10) over Pigeon Creek Trib. No. 038430800000000 | 3.5 MI E of Loda | 2003 | Box Beam or Girders - Multiple | 71 ft | 375 | Good |
| FAS 335 Ch 10 over Drainage Ditch No. 038511000000000 | 4.2 MI W RTE 49 | 1978 | Stringer/Multi-beam or Girder | 72 ft | 375 | Good |
| County Highway 41 over Coon Creek No. 038006300000000 | 6.30 MI S of US-24 | 1954 | Tee Beam | 38 ft | 350 | Fair |
| CH44 FAS1336 over Spring Creek No. 038300300000000 | .7MI E US45 on CH44 | 1964 | Channel Beam | 91 ft | 350 | Fair |
| FAS 316 (ch 23) over Langan CR No. 038320300000000 | 2 MI N Il 116 | 1975 | Slab | 96 ft | 350 | Good |
| Ch 23 over Trib Langan Creek No. 038360600000000 | 35MI W Clifton | 1976 | Slab | 76 ft | 350 | Good |
| FAS 319/CH 8 over Prairie Creek No. 038400800000000 | 2.35 MI N.Of US 24 | 1999 | Box Beam or Girders - Multiple | 87 ft | 350 | Good |
| FAS 319/CH 8 over Prairie Creek No. 038400900000000 | 1.5 N of Lahogue | 2000 | Box Beam or Girders - Multiple | 120 ft | 350 | Good |
| FAS 319 CH8 over Trib Vermilion River No. 038480600000000 | 2.5MI N SBI116 ONCH8 | 1940 | Stringer/Multi-beam or Girder | 27 ft | 350 | Fair |
| FAS 335 Ch 10 over Drainage Ditch No. 038511100000000 | 4MI.SW Cissna Park | 1979 | Stringer/Multi-beam or Girder | 62 ft | 350 | Good |
| FAS 335 Ch 10 over Drainage Ditch No. 038511200000000 | 2.5 S 1.6 W Cisna P | 1979 | Box Beam or Girders - Multiple | 78 ft | 350 | Fair |
| FAS 335 Ch 10 over Pigeon Creek No. 038511300000000 | 0.1 MI W RTE 49 | 1978 | Box Beam or Girders - Multiple | 69 ft | 350 | Fair |
| FAS 321 CH4 Sa 4 over Drainage Ditch No. 038018300000000 | 3.08 MI W of I-57 | 1986 | Box Beam or Girders - Multiple | 80 ft | 325 | Fair |
| FAS 1336 Ch 44 over Drainage Ditch No. 038300400000000 | 3 MI E .5M S Buckley | 1941 | Stringer/Multi-beam or Girder | 41 ft | 325 | Good |
| Ch 44 (fas 1336) over Trib Little Mud CR No. 038301200000000 | 5.5MI E US45 on CH44 | 2004 | Slab | 93 ft | 325 | Good |
| FAS 1336 Ch 44 over Trib Little Mud CR No. 038301300000000 | 4.85MI E US45 ONCH44 | 2007 | Slab | 70 ft | 325 | Good |
| FAS 321 Ch 4 over Langan Creek No. 038360700000000 | 2.66 MI W of US 54 | 2007 | Slab | 96 ft | 325 | Good |
| TR 189 over Br of Spring Creek No. 038403600000000 | 1.75MI E JCT45&24 | 1928 | Slab | 28 ft | 325 | Fair |
| TR 189 over Br of Spring Creek No. 038403700000000 | 2MI E JCT45&24 | 1928 | Slab | 31 ft | 325 | Fair |
| FAS327-CH41 over Possum Trot Ditch No. 038540200000000 | 3.8MI S US24 | 1994 | Channel Beam | 81 ft | 325 | Fair |
| TR-189 Bttrfld Tra over Trib Spring Creek No. 038690000000000 | .31 MI E of Gilman | 1990 | Box Beam or Girders - Multiple | 66 ft | 325 | Fair |
| Stockland Road over Sugar Creek No. 038020200000000 | 9.66 M S of US 24 | 1994 | Stringer/Multi-beam or Girder | 188 ft | 300 | Good |
| Ch 2 over Iroquois No. 038450800000000 | SEC4 T27N R13W 2NDPM | 1991 | Stringer/Multi-beam or Girder | 399 ft | 300 | Good |
| TR 14 over Trib Spring Creek No. 038530300000000 | .2N ILL54 on CH8 | 1972 | Box Beam or Girders - Multiple | 120 ft | 300 | Poor |
| FAS 323 Ch 40 over Possum Trot Ditch No. 038540000000000 | 3.5M S Sheldon 1.1 W | 1938 | Slab | 26 ft | 300 | Poor |
| TR 159B (was or 7) over Drainage Ditch No. 038420700000000 | 0.81 MI Nwof US 24 | 1986 | Stringer/Multi-beam or Girder | 292 ft | 275 | Good |
| TR 292 over Beaver CR No. 038503500000000 | .5 MI N Papineau | 1973 | Slab | 116 ft | 275 | Good |
| TR 286 over Little Beaver Creek No. 038503900000000 | 1.75 MI S of St.Anne | 2020 | Slab | 90 ft | 275 | Good |
| Danforth RD over Prairie Creek No. 038019900000000 | 3.74 M W of Il 49 | 1994 | Slab | 72 ft | 250 | Good |
| FAS 331 CH45 over Fountain Creek No. 038310600000000 | 0.6MI N Goodwine | 1982 | Box Beam or Girders - Multiple | 132 ft | 250 | Fair |
| Ch 45 over Jefferson Creek No. 038314500000000 | .5 M S of Schwer | 2009 | Box Beam or Girders - Multiple | 56 ft | 250 | Good |
| TR 196 over Trib. to Iroq. River No. 038364200000000 | 1MI S. Sugar Islande | 1915 | Stringer/Multi-beam or Girder | 23 ft | 250 | Fair |
| Ch 2 over Trib Iroquois River No. 038420500000000 | 2MI W Ill 1 on Ch 2 | 1975 | Box Beam or Girders - Multiple | 50 ft | 250 | Fair |
| FAS331 CH45 over Mud Creek No. 038310000000000 | 1.5MI N Goodwine | 1935 | Box Beam or Girders - Multiple | 131 ft | 225 | Fair |
| Danforth RD FAS 33 over I-57 No. 038007200000000 | 4.59 MI S of Ill 116 | 1967 | Stringer/Multi-beam or Girder | 223 ft | 200 | Poor |
| Twp RD 35 over I 57 No. 038012700000000 | 4.27 M S Chebanse It | 1965 | Stringer/Multi-beam or Girder | 198 ft | 200 | Fair |
| Ch 29 over Langan CR No. 038360400000000 | 1.5 MI W 1.5 N Clift | 1975 | Slab | 94 ft | 200 | Fair |
| TR 140 over Langan CR No. 038364300000000 | 2.32 MI S Chebanse | 1980 | Slab | 107 ft | 200 | Fair |
| TR 120 over Langan Creek No. 038365100000000 | 2.71 Mi. S. Chebanse | 2002 | Box Beam or Girders - Multiple | 126 ft | 200 | Fair |
| TR 120 over Trib to Langan Creek No. 038365400000000 | 1 M S&3/4 M W Cheban | 2012 | Box Beam or Girders - Multiple | 77 ft | 200 | Good |
| TR 340 over Iroquois River No. 038373200000000 | 1.25 MI N. US 24 | 1912 | Tee Beam | 178 ft | 200 | Fair |
| FAS 332 over Drainage Ditch No. 038391000000000 | SEC12 T27N R10E 3PM | 1996 | Box Beam or Girders - Multiple | 41 ft | 200 | Good |
| TR 91 B over Pike Creek No. 038460000000000 | 2.8 Mi. E. Ill 1 | 1958 | Slab | 61 ft | 200 | Poor |
| TR 251 over Sugar Creek No. 038470100000000 | 2 MI S of Woodland | 1987 | Stringer/Multi-beam or Girder | 279 ft | 200 | Fair |
| FAS 334 Ch 9 over Mud Creek No. 038551300000000 | 3MI E .5 N Stockland | 2008 | Slab | 102 ft | 200 | Good |
| Cherry ST over Trib of Spring CR No. 038660000000000 | 1.5 Blks S.Of US 24 | 1940 | Stringer/Multi-beam or Girder | 33 ft | 200 | Good |
| FAS 1343 Ch 41 over Branch Sugar Creek No. 038006500000000 | 1.6 MI S Stockland | 1959 | Slab | 65 ft | 175 | Poor |
| TR 178 over Prairie CR No. 038324600000000 | .5 MI N. of Lerable | 1972 | Slab | 90 ft | 175 | Fair |
| TR 178 over Stream No. 038364000000000 | 1.25 MI N Lerable | 1967 | Slab | 21 ft | 175 | Good |
| TR-290 over Martinton Ditch #3 No. 038454000000000 | 1MI E Martinton | 1959 | Channel Beam | 73 ft | 175 | Poor |
| TR 117 over Drainage Ditch No. 038463200000000 | 1.0E 2.75N Watseka | 1983 | Box Beam or Girders - Multiple | 60 ft | 175 | Fair |
| TR 358 over Unnamed Stream No. 038544000000000 | Sheuami Country Club | 1983 | Channel Beam | 30 ft | 175 | Good |
| Ch 47 / 1200 N RD over FAI-57 No. 038008200000000 | 2.62 MI S Onarga Int | 1968 | Stringer/Multi-beam or Girder | 225 ft | 150 | Poor |
| TR 155 over I-57 No. 038008600000000 | 2.0 MI N of US 24 | 1967 | Stringer/Multi-beam or Girder | 238 ft | 150 | Fair |
| Ch 4 over Branch of Langan Crk No. 038019500000000 | 6 MI E. of Ford Co. | 1992 | Slab | 142 ft | 150 | Good |
| FAS 337 over Br of Spring Creek No. 038020400000000 | .41 Miles E FAI 57 | 1994 | Slab | 113 ft | 150 | Good |
| FAS1335CH42 over Trib Little Mud CR No. 038300800000000 | 3MI NW Cissna Park | 1918 | Slab | 28 ft | 150 | Poor |
| FAS 1335 Ch 42 over Trib Little Mud CR No. 038300900000000 | 1.2MI N JCT CH44+42 | 1925 | Slab | 29 ft | 150 | Fair |
| FAS1335 CH42 over Trib Little Mud CR No. 038301000000000 | 1.7MI N JCT Ch 42+44 | 1963 | Channel Beam | 37 ft | 150 | Good |
| FAS1335 CH42 over Trib Little Mud Cr- No. 038301500000000 | 2.2MI N JCT 44/42 | 2016 | Culvert | 23 ft | 150 | Good |
| TR 344 over Beaver Creek No. 038340100000000 | 1.5 MI N Beaverville | 1983 | Box Beam or Girders - Multiple | 95 ft | 150 | Fair |
| TR 2C over Hooper Branch No. 038343700000000 | 2.42 MI S CO LN | 1968 | Box Beam or Girders - Multiple | 44 ft | 150 | Poor |
| TR 288 over Br Sugar Creek No. 038353800000000 | 1.75 MI NE Woodland | 1980 | Channel Beam | 116 ft | 150 | Good |
| TR-288 over Suger Creek No. 038354500000000 | 1.5 MI S Watseka | 2018 | Culvert | 25 ft | 150 | Good |
| Ch 15 over Pike Creek No. 038370300000000 | 2 Mi. S. of Donovan | 2014 | Culvert | 36 ft | 150 | Good |
| FAS 331/CH 45 over Drainage Ditch No. 038410300000000 | 6.4 MI W of Wellngtn | 2001 | Slab | 85 ft | 150 | Good |
| TR 339 over Pigeon CR No. 038412500000000 | .5 MI E. Cissa Park | 1967 | Channel Beam | 97 ft | 150 | Poor |
| TR 339 over Trib to Pigeon CR No. 038414300000000 | .6 MI E Cissa Park | 1977 | Channel Beam | 68 ft | 150 | Fair |
| TR 363 over Fountain Creek No. 038415400000000 | 0.17 MI E of TR 180 | 2005 | Box Beam or Girders - Multiple | 87 ft | 150 | Good |
| TR 87(FORD Co) over Spring Creek No. 038435100000000 | 1 Mi. E. of Loda | 2015 | Slab | 51 ft | 150 | Good |
| TR 290 over Martinton DITCH#2 No. 038453800000000 | 1 MI NE Martinton | 1971 | Slab | 25 ft | 150 | Fair |
Structure types in Iroquois County
| Box Beam or Girders - Multiple | 208 | 36.6% |
| Channel Beam | 103 | 18.1% |
| Stringer/Multi-beam or Girder | 100 | 17.6% |
| Slab | 98 | 17.3% |
| Culvert | 32 | 5.6% |
| Other | 15 | 2.6% |
| Tee Beam | 9 | 1.6% |
| Truss - Thru | 3 | 0.5% |
Other counties in Illinois
- Adams County 317
- Alexander County 93
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