Mercer County, Illinois bridges
Mercer County has 163 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 23 (14%) are rated poor. The most common type is box beam or girders - multiple (52%).
- Bridges
- 163
- Good
- 48%
- Fair
- 38%
- Poor
- 14%
- 23 bridges
- Average age
- 42.5 yrs
- Posted or closed
- 10
Map of bridges in Mercer County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Mercer County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good48%(78)
Fair38%(62)
Poor14%(23)
When they were built
Busiest
- US 67 over Donahue CreekFair5,300 vehicles/day
- US 67 over Edwards RiverFair5,300 vehicles/day
- Ill 94 over Edwards RiverFair3,450 vehicles/day
- Ill 94 over Camp CreekFair2,900 vehicles/day
- US 67 over Pope CreekGood2,600 vehicles/day
Longest
- Fair
- US 67 over Edwards RiverFair529 ft
- Fair
- Fair
- Fair
Oldest
- TR 278 over Camp CreekFairBuilt 1900
- TR 204 over Camp CreekFairBuilt 1900
- TR 15 over Deerlick Br.PoorBuilt 1900
- TR 110 over Little Camp CRFairBuilt 1900
- Ill 94 over Pope CreekFairBuilt 1924
All bridges in Mercer County
Busiest first · showing 1–163 of 163| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| US 67 over Donahue Creek No. 066001500000000 | 1.6 MI N of Il 17 | 1997 | Stringer/Multi-beam or Girder | 84 ft | 5,300 | Fair |
| US 67 over Edwards River No. 066001700000000 | 2 MI N of Viola | 1998 | Stringer/Multi-beam or Girder | 529 ft | 5,300 | Fair |
| Ill 94 over Edwards River No. 066000800000000 | 1.9 MI N of Ill 17 | 1960 | Stringer/Multi-beam or Girder | 301 ft | 3,450 | Fair |
| Ill 94 over Camp Creek No. 066000700000000 | 5 MI N of Aledo | 1960 | Stringer/Multi-beam or Girder | 130 ft | 2,900 | Fair |
| US 67 over Pope Creek No. 066001900000000 | 3 MI S of Viola | 2024 | Stringer/Multi-beam or Girder | 141 ft | 2,600 | Good |
| US 67 over Henderson CR No. 066000400000000 | 6.7 MI S of Viola | 1931 | Box Beam or Girders - Multiple | 106 ft | 2,400 | Poor |
| US 67 over Toms Creek No. 066001600000000 | 025 MI N Alexis Wye | 1999 | Stringer/Multi-beam or Girder | 105 ft | 2,400 | Fair |
| Ill 94 over Pike Run No. 066200000000000 | S. Edge of Aledo | 1956 | Culvert | 29 ft | 2,100 | Fair |
| Ill 94 over Pope Creek No. 066000900000000 | 3.9 MI S of Ill 17 | 1924 | Stringer/Multi-beam or Girder | 148 ft | 1,900 | Fair |
| Ill 17 over Edwards River No. 066002100000000 | 5 MI W of Joy | 2019 | Stringer/Multi-beam or Girder | 610 ft | 1,500 | Fair |
| Ill 94 over N. Henderson CR No. 066001000000000 | 2.4 MI N of Ill 135 | 1924 | Stringer/Multi-beam or Girder | 103 ft | 1,250 | Fair |
| Ill 94 over Duck Creek No. 066001300000000 | 4 MI N of Littleyork | 1989 | Stringer/Multi-beam or Girder | 113 ft | 1,250 | Fair |
| FAS 209-CH 14 over Eliza Creek N. No. 066315500000000 | CTR-7-T15NR5W | 1978 | Tee Beam | 30 ft | 1,150 | Poor |
| FAS 209(CH 14) over Unnamed Stream No. 066315600000000 | 1.14 S Rock Islandco | 2004 | Box Beam or Girders - Multiple | 41 ft | 1,150 | Good |
| FAS 209-CH 14 over Keating Ditch No. 066315800000000 | SE-7-T15NR5W | 2008 | Box Beam or Girders - Multiple | 60 ft | 1,150 | Good |
| FAS 209-CH 14 over Eliza Creek No. 066315100000000 | SE-30-T15NR5W | 1966 | Stringer/Multi-beam or Girder | 160 ft | 1,100 | Fair |
| FAS 206-CH 4 over Camp Creek No. 066311200000000 | SW-12-T15NR1W | 1958 | Slab | 101 ft | 950 | Fair |
| FAS 206-CH 4 over Edwards River No. 066311100000000 | S.CTR-24-T15NR1W | 1947 | Tee Beam | 182 ft | 775 | Fair |
| FAS 206-CH 4 over Parker Run No. 066311300000000 | SE-36-T15NR1W | 1976 | Channel Beam | 37 ft | 775 | Poor |
| 4th ST over Pope Creek No. 066001400000000 | In Keithsburg | 1989 | Stringer/Multi-beam or Girder | 146 ft | 650 | Poor |
| FAS 222-CH 22 over Toms Creek No. 066301300000000 | SW-31-T13NR1W | 1976 | Channel Beam | 34 ft | 450 | Poor |
| TR 278 over Camp Creek No. 066510600000000 | SE-16-T15NR1W | 1900 | Stringer/Multi-beam or Girder | 46 ft | 400 | Fair |
| FAS 212-CH 9 over Edwards River No. 066309100000000 | SW.COR-8-T14NR4W | 1955 | Stringer/Multi-beam or Girder | 254 ft | 325 | Fair |
| FAS 212 (ch 9) over Camp Creek No. 066316500000000 | NW-8-T14NR4W | 2018 | Box Beam or Girders - Multiple | 120 ft | 325 | Good |
| TR 158 over Pike Run No. 066481600000000 | W.CTR-28-T14NR3W | 1992 | Box Beam or Girders - Multiple | 101 ft | 275 | Good |
| FAS 212-CH 9 over Eliza Creek No. 066314700000000 | NW-17-T15NR4W | 1973 | Box Beam or Girders - Multiple | 68 ft | 250 | Fair |
| FAS 215-CH 16 over Snake Creek No. 066316600000000 | SE-23-T13NR4W | 2020 | Culvert | 38 ft | 250 | Good |
| TR 218 over Camp Creek No. 066521500000000 | SE-16-T15N R2W | 2023 | Culvert | 25 ft | 225 | Good |
| FAS 214-CH 13 over Edwards River No. 066309000000000 | W.CTR-11-T14NR4W | 1968 | Stringer/Multi-beam or Girder | 342 ft | 175 | Fair |
| TR 136B over Pike Run Creek No. 066481300000000 | E.CTR-30-T14NR3W | 1984 | Box Beam or Girders - Multiple | 66 ft | 175 | Good |
| TR 53 over Camp Creek No. 066510100000000 | NW-21-T15NR1W | 1969 | Channel Beam | 104 ft | 175 | Poor |
| FAS 214-CH 13 over Pope Creek No. 066304300000000 | W.CTR-12-T13NR4W | 2008 | Box Beam or Girders - Multiple | 121 ft | 150 | Good |
| TR 128 over Edwards River No. 066481400000000 | W.CTR-7-T14NR3W | 1986 | Box Beam or Girders - Multiple | 192 ft | 150 | Fair |
| TR 264 over Camp Creek No. 066511500000000 | E.CTR-20-T15NR1W | 2019 | Box Beam or Girders - Multiple | 86 ft | 150 | Good |
| TR 282 over Camp Creek No. 066510900000000 | SE-10-T15NR1W | 1977 | Channel Beam | 84 ft | 125 | Fair |
| TR 69 over Camp Creek No. 066511300000000 | NE-29-T15NR1W | 1980 | Box Beam or Girders - Multiple | 104 ft | 125 | Good |
| FAS 217 (ch 6) over Maids Run No. 066303100000000 | NE-14-T13NR3W | 2012 | Box Beam or Girders - Multiple | 75 ft | 100 | Good |
| FAS 1405-CH 12 over North Pope Creek No. 066306100000000 | NW-23-T14NR1W | 1971 | Box Beam or Girders - Multiple | 64 ft | 100 | Fair |
| TR129 over Donohue Run No. 066307300000000 | CTR-3-T14NR2W | 1974 | Tee Beam | 98 ft | 100 | Fair |
| TR 44 over Pope Creek No. 066441500000000 | Ctr NW-8-T13NR4W | 1977 | Box Beam or Girders - Multiple | 126 ft | 100 | Good |
| FAS 214-CH 13 over Douglas Creek No. 066304200000000 | SE-2-T13NR4W | 1942 | Culvert | 23 ft | 75 | Poor |
| TR129 over Skunk Creek No. 066307400000000 | CTR-4-T14NR2W | 1975 | Culvert | 31 ft | 75 | Poor |
| FAS 214-CH 13 over Little Camp Creek No. 066314400000000 | E.CTR-34-T15NR4W | 1948 | Culvert | 26 ft | 75 | Fair |
| FAS 214-CH 13 over Camp Creek No. 066314600000000 | SW-34-T15NR4W | 1973 | Box Beam or Girders - Multiple | 94 ft | 75 | Poor |
| FAS 211-CH 8 over Eliza Creek No. 066315000000000 | SE-21-T15NR5W | 1961 | Box Beam or Girders - Multiple | 97 ft | 75 | Fair |
| TR 225 over Br. Pope Creek No. 066432500000000 | E.CTR-4-T13NR3W | 1976 | Culvert | 28 ft | 75 | Poor |
| TR 50 over Pope Creek No. 066450200000000 | NW-13-T13NR5W | 1980 | Box Beam or Girders - Multiple | 109 ft | 75 | Good |
| TR 284 over N. Pope Creek No. 066460700000000 | NW-24-T14NR1W | 1963 | Channel Beam | 24 ft | 75 | Fair |
| TR 260 over N. Pope Creek No. 066461900000000 | CTR-20-T14NR1W | 1992 | Box Beam or Girders - Multiple | 62 ft | 75 | Good |
| TR 183A over Pope Creek No. 066470400000000 | CTR-26-T14NR2W | 1964 | Channel Beam | 65 ft | 75 | Poor |
| TR 116 over Douglas Creek No. 066491400000000 | S.CTR-25-T14NR4W | 2003 | Culvert | 26 ft | 75 | Good |
| TR 105 over Parker Run No. 066511000000000 | SW-27-T15NR1W | 1975 | Stringer/Multi-beam or Girder | 50 ft | 75 | Fair |
| TR 208 over Edwards River No. 066521200000000 | SE-32-T15NR2W | 1997 | Box Beam or Girders - Multiple | 159 ft | 75 | Fair |
| TR 114 over Camp Creek No. 066541000000000 | SE-23-T15NR4W | 1981 | Channel Beam | 87 ft | 75 | Fair |
| TR 59 over Main Ditch No. 066551700000000 | S.CTR-23-T15NR6W | 1986 | Box Beam or Girders - Multiple | 101 ft | 75 | Good |
| TR 59 over Drainage Ditch No. 066551900000000 | SW-24-T15NR6W | 1995 | Box Beam or Girders - Multiple | 61 ft | 75 | Good |
| TR 3 over Main Ditch North No. 066552000000000 | SW-1-T15NR6W | 2001 | Box Beam or Girders - Multiple | 65 ft | 75 | Good |
| FAS 214 over Snake Creek No. 066600200000000 | SW COR-24-T13NR4W | 1990 | Box Beam or Girders - Multiple | 52 ft | 75 | Good |
| FAS 1405-CH 12 over North Henderson CR No. 066301000000000 | W.CTR-14-T13NR1W | 1956 | Slab | 54 ft | 50 | Fair |
| FAS 1405 Ch 12 over N. Henderson Branch No. 066301400000000 | SW-14-T13NR1W | 2016 | Culvert | 26 ft | 50 | Good |
| CO HWY 6 over Henderson Creek No. 066302400000000 | NW-24-T13NR2W | 1975 | Stringer/Multi-beam or Girder | 114 ft | 50 | Good |
| FAS 1405-CH 12 over Pope Creek No. 066306000000000 | SW-35-T14NR1W | 1971 | Box Beam or Girders - Multiple | 89 ft | 50 | Poor |
| FAS 1210-CH 10 over Edwards River No. 066310100000000 | NE-9-T14NR5W | 1980 | Box Beam or Girders - Multiple | 184 ft | 50 | Fair |
| FAS 1210 over Stream No. 066310200000000 | NE Sec 4 T14N R5W | 1994 | Culvert | 30 ft | 50 | Good |
| TR 259 over Toms Creek No. 066411200000000 | NW-31-T13NR1W | 1988 | Box Beam or Girders - Multiple | 21 ft | 50 | Fair |
| TR 226 over Toms Creek No. 066421500000000 | SE-35-T13NR2W | 1979 | Box Beam or Girders - Multiple | 52 ft | 50 | Fair |
| TR 206 over North Henderson CR No. 066422000000000 | SW-21-T13NR2W | 1996 | Box Beam or Girders - Multiple | 109 ft | 50 | Good |
| TR 162 over Maids Run No. 066432400000000 | CTR-22-T13NR3W | 1978 | Box Beam or Girders - Multiple | 39 ft | 50 | Poor |
| TR 253 over Henderson Creek No. 066433400000000 | CTR-30-T13NR3W | 1994 | Box Beam or Girders - Multiple | 92 ft | 50 | Good |
| TR 162 over Henderson Creek No. 066434000000000 | NW-26-T31NR3W | 2016 | Box Beam or Girders - Multiple | 85 ft | 50 | Good |
| TR 205 over Pike Run No. 066441600000000 | NE-1-T13NR4W | 1980 | Box Beam or Girders - Multiple | 68 ft | 50 | Fair |
| TR 244 over N. Pope Creek No. 066460900000000 | SW-19-T14NR1W | 1972 | Channel Beam | 78 ft | 50 | Good |
| TR 268 over Pope CR No. 066461500000000 | S.CTR-21-T14NR1W | 1987 | Box Beam or Girders - Multiple | 58 ft | 50 | Good |
| TR 240 over Donahue Run No. 066461800000000 | NW-7-T14NR1W | 1991 | Box Beam or Girders - Multiple | 52 ft | 50 | Poor |
| TR 133 over Trib to Parker Run No. 066462000000000 | SW-2-T14NR1W | 1998 | Box Beam or Girders - Multiple | 53 ft | 50 | Good |
| TR 188 over Pope Creek No. 066481100000000 | SE-35-T14NR3W | 1980 | Channel Beam | 119 ft | 50 | Good |
| TR 132 over Edwards River No. 066481700000000 | NE-7-T14NR3W | 2007 | Box Beam or Girders - Multiple | 151 ft | 50 | Good |
| TR 165 over Sturgeon Bay No. 066501200000000 | NW-19-T14NR5W | 1980 | Stringer/Multi-beam or Girder | 200 ft | 50 | Fair |
| TR 109 over Eliza Lake Ditch No. 066501500000000 | SW-2-T14NR6W | 1986 | Slab | 50 ft | 50 | Fair |
| TR 109 over Eliza Creek No. 066501800000000 | SE-1-T14NR6W | 1994 | Box Beam or Girders - Multiple | 201 ft | 50 | Good |
| TR 165 over Eliza Lake Ditch No. 066507000000000 | 2 MI N of New Boston | 2015 | Other | 78 ft | 50 | Good |
| TR 2 over Camp Creek No. 066511200000000 | SE-12-T15NR1W | 1980 | Box Beam or Girders - Multiple | 96 ft | 50 | Good |
| TR 262 over Edwards River No. 066511400000000 | SE-29-T15NR1W | 2005 | Box Beam or Girders - Multiple | 176 ft | 50 | Good |
| TR 198 over Camp Creek No. 066520500000000 | SW-19-T15NR2W | 1975 | Tee Beam | 40 ft | 50 | Fair |
| TR 198 over N. Camp Creek No. 066520900000000 | SW-18-T15NR2W | 1983 | Box Beam or Girders - Multiple | 51 ft | 50 | Fair |
| TR 33 over Burnt Branch No. 066551600000000 | NE-16-T15NR5W | 1984 | Culvert | 21 ft | 50 | Poor |
| TR 192 over Maids Run No. 066433600000000 | SE-12-T13NR3W | 2021 | Culvert | 26 ft | 35 | Good |
| FAS 1216-CH 3 over North Henderson CR No. 066302100000000 | SW-20-T13NR2W | 1972 | Box Beam or Girders - Multiple | 97 ft | 25 | Fair |
| FAS 1216-CH 3 over Pope Creek No. 066307200000000 | NW-31-T14NR2W | 1962 | Stringer/Multi-beam or Girder | 123 ft | 25 | Fair |
| TR 244 over Henderson Creek No. 066410200000000 | CTR-18-T13NR1W | 1965 | Box Beam or Girders - Multiple | 72 ft | 25 | Fair |
| TR 258 over N. Henderson Creek No. 066410500000000 | W.CTR-16-T13NR1W | 1969 | Tee Beam | 86 ft | 25 | Fair |
| TR 284 over N.Henderson Creek No. 066410800000000 | NW-13-T13NR1W | 1960 | Channel Beam | 73 ft | 25 | Fair |
| TR 274 over Henderson Creek No. 066410900000000 | E.CTR-16-T13NR1W | 1984 | Box Beam or Girders - Multiple | 58 ft | 25 | Good |
| TR 284 over Pope Creek No. 066411000000000 | NW-1-T13NR1W | 1981 | Channel Beam | 89 ft | 25 | Fair |
| TR 196 over Goose Run No. 066421400000000 | NW-19-T13NR2W | 1975 | Slab | 28 ft | 25 | Fair |
| TR 196 over Duck Creek No. 066421600000000 | NW-31-T13NR2W | 1984 | Culvert | 22 ft | 25 | Fair |
| TR 207 over Pope Creek No. 066421700000000 | NE-2-T13NR2W | 1988 | Box Beam or Girders - Multiple | 126 ft | 25 | Good |
| TR 196 over N. Henderson Creek No. 066421800000000 | SW-19-T13NR2W | 1986 | Box Beam or Girders - Multiple | 69 ft | 25 | Good |
| TR 210 over N. Henderson Creek No. 066421900000000 | SW-22-T13NR2W | 1992 | Box Beam or Girders - Multiple | 181 ft | 25 | Good |
| TR 247 over Maids Run Creek No. 066432100000000 | NE-23-T13NR3W | 1972 | Channel Beam | 68 ft | 25 | Fair |
| TR 136A over N Henderson CR No. 066432300000000 | SW-20-T13NR3W | 1974 | Box Beam or Girders - Multiple | 137 ft | 25 | Fair |
| TR 124 over Pope Creek No. 066432700000000 | SE-1-T13NR4W | 1982 | Box Beam or Girders - Multiple | 92 ft | 25 | Good |
| TR 120 over Henderson Creek No. 066433000000000 | SW-30-T13NR3W | 1984 | Box Beam or Girders - Multiple | 81 ft | 25 | Good |
| TR 162 over Pope Creek No. 066433100000000 | N.CTR-3-T13NR3W | 1987 | Box Beam or Girders - Multiple | 101 ft | 25 | Good |
| TR 225 over Pope Creek No. 066433200000000 | W.CTR-4-T13NR3W | 1991 | Box Beam or Girders - Multiple | 152 ft | 25 | Good |
| TR 225 over Br. of Pope Creek No. 066433300000000 | W-4-T13NR3W | 1991 | Box Beam or Girders - Multiple | 62 ft | 25 | Good |
| TR 162 over Duck Creek No. 066433500000000 | NW-35-T13NR3W | 1997 | Box Beam or Girders - Multiple | 51 ft | 25 | Good |
| TR 253 over Snake Creek No. 066441300000000 | CTR-25-T13NR4W | 1958 | Channel Beam | 31 ft | 25 | Fair |
| TR 213 over Stream No. 066441700000000 | NW-7-T13NR4W | 1985 | Box Beam or Girders - Multiple | 48 ft | 25 | Good |
| TR 284 over Branch of Pope Creek No. 066461100000000 | NW-36-T14NR1W | 1981 | Channel Beam | 36 ft | 25 | Good |
| TR 244 over Pope Creek No. 066461200000000 | SW-31-T14NR1W | 1983 | Channel Beam | 93 ft | 25 | Good |
| TR 107 over Stream No. 066461600000000 | N.CTR-2-T14NR1W | 1988 | Culvert | 29 ft | 25 | Good |
| TR 252 over Donohue Run No. 066462100000000 | NW COR-8-T14NR1W | 1996 | Box Beam or Girders - Multiple | 59 ft | 25 | Good |
| TR 266 over Trib to Edwards Riv No. 066462200000000 | Wline NW1/4 T14NR1W | 1998 | Box Beam or Girders - Multiple | 58 ft | 25 | Good |
| TR 290B over Pope Creek No. 066462300000000 | N CTR-14-T14NR1W | 1998 | Culvert | 23 ft | 25 | Good |
| TR 274 over Pope Creek No. 066462400000000 | E.CTR-21-T14NR1W | 2006 | Box Beam or Girders - Multiple | 60 ft | 25 | Good |
| TR 202 over Dugout Run No. 066470600000000 | NW-29-T14NR2W | 1964 | Channel Beam | 24 ft | 25 | Poor |
| TR 206 over Pope Creek No. 066471200000000 | SW-33-T14NR2W | 1984 | Channel Beam | 98 ft | 25 | Good |
| TR 212 over Pope Creek No. 066471400000000 | E.CTR-33-T14NR2W | 1988 | Box Beam or Girders - Multiple | 132 ft | 25 | Fair |
| TR 183A over Stream No. 066471500000000 | CTR-28-T14NR2W | 1992 | Box Beam or Girders - Multiple | 51 ft | 25 | Good |
| TR 198A over Edwards River No. 066471600000000 | NW-6-T14NR2W | 1998 | Box Beam or Girders - Multiple | 152 ft | 25 | Fair |
| TR 230 over Donahue Run No. 066471800000000 | SE-2-T14NR2W | 2009 | Box Beam or Girders - Multiple | 72 ft | 25 | Good |
| TR 111 over Camp Creek No. 066490900000000 | NW-8-T14NR4W | 1981 | Channel Beam | 77 ft | 25 | Poor |
| TR 193A over Wildcat Creek No. 066491000000000 | CTR-33-T14NR4W | 1984 | Box Beam or Girders - Multiple | 55 ft | 25 | Good |
| TR 100A over Wildcat Creek No. 066491200000000 | SE-28-T14NR4W | 1991 | Box Beam or Girders - Multiple | 61 ft | 25 | Good |
| TR 197 over Douglas Creek No. 066491300000000 | E.CTR-34-T14NR4W | 1995 | Culvert | 23 ft | 25 | Good |
| TR 22 over Winters Creek No. 066500100000000 | SW-3-T14NR5W | 1965 | Box Beam or Girders - Multiple | 37 ft | 25 | Fair |
| TR 109 over Swan Lake Ditch No. 066501300000000 | E.CTR-10-T14NR6W | 1984 | Box Beam or Girders - Multiple | 68 ft | 25 | Poor |
| TR 191 over Mad Run Creek No. 066501600000000 | E.CTR-35-T14NR5W | 1985 | Stringer/Multi-beam or Girder | 38 ft | 25 | Fair |
| TR 52 over Edwards River No. 066501700000000 | SE-2-T14NR5W | 1990 | Box Beam or Girders - Multiple | 194 ft | 25 | Good |
| TR 111 over Winters Creek No. 066501900000000 | W.CTR-3-T14NR5W | 1997 | Box Beam or Girders - Multiple | 66 ft | 25 | Good |
| TR 204 over Camp Creek No. 066520300000000 | NE-19-T15NR2W | 1900 | Slab | 26 ft | 25 | Fair |
| TR 47 over Camp Creek No. 066520700000000 | SE-16-T15N R2W | 1983 | Culvert | 28 ft | 25 | Poor |
| TR 97 over Trib Edwards River No. 066521000000000 | SE1/4 SEC32 T15NR2W | 2000 | Culvert | 22 ft | 25 | Good |
| TR 97 over Trib to Edwards Riv No. 066521100000000 | SW1/4-32-T15NR2W | 2002 | Culvert | 29 ft | 25 | Good |
| TR 208 over Camp Creek No. 066521300000000 | SE1/4NE1/4-20-T15NR2 | 2006 | Box Beam or Girders - Multiple | 61 ft | 25 | Good |
| TR 41 over Camp Creek No. 066531000000000 | SW-19-T15NR3W | 1979 | Box Beam or Girders - Multiple | 56 ft | 25 | Poor |
| TR 138B over Camp Creek No. 066531100000000 | SE-19-T15NR3W | 1980 | Box Beam or Girders - Multiple | 56 ft | 25 | Fair |
| TR 146 over Camp Creek No. 066531200000000 | SW-20-T15NR3W | 1980 | Box Beam or Girders - Multiple | 56 ft | 25 | Fair |
| TR 176 over Camp Creek No. 066531300000000 | SW-23-T15NR3W | 1980 | Box Beam or Girders - Multiple | 55 ft | 25 | Fair |
| TR 190 over Camp Creek No. 066531400000000 | SE-23-T15NR3W | 1980 | Culvert | 21 ft | 25 | Fair |
| TR 164 over Camp Creek No. 066531500000000 | SW-21-T15NR3W | 1998 | Box Beam or Girders - Multiple | 92 ft | 25 | Good |
| TR 95 over Trib Edwards River No. 066531600000000 | SE-36-T15NR3W | 1999 | Culvert | 22 ft | 25 | Good |
| TR 15 over Deerlick Br. No. 066540100000000 | SE-7-T15NR4W | 1900 | Stringer/Multi-beam or Girder | 26 ft | 25 | Poor |
| TR 110 over Little Camp CR No. 066540800000000 | NW-35-T15NR4W | 1900 | Stringer/Multi-beam or Girder | 30 ft | 25 | Fair |
| TR 110 over Stream No. 066541400000000 | NW-26-T15NR4W | 1983 | Orthotropic | 89 ft | 25 | Poor |
| TR 77 over Camp Creek No. 066541500000000 | E.CTR-27-T15NR4W | 1986 | Box Beam or Girders - Multiple | 81 ft | 25 | Fair |
| TR 20 over Keating Creek No. 066551300000000 | SW-8-T15NR5W | 1983 | Box Beam or Girders - Multiple | 52 ft | 25 | Fair |
| TR 40 over Eliza Creek No. 066551400000000 | NE-22-T15NR5W | 1988 | Box Beam or Girders - Multiple | 67 ft | 25 | Good |
| TR 58 over Eliza Creek No. 066551500000000 | W.CTR-23-T15NR5W | 1982 | Box Beam or Girders - Multiple | 76 ft | 25 | Good |
| TR 40 over Winters Creek No. 066551800000000 | SE-34-T15NR5W | 1991 | Box Beam or Girders - Multiple | 61 ft | 25 | Good |
| TR 228 over N. Pope Creek No. 066552200000000 | Sec 24 T14N R2W | 2020 | Culvert | 28 ft | 25 | Good |
| TR 1 over Duck Creek No. 066432800000000 | SE-32-T13NR3W | 1984 | Box Beam or Girders - Multiple | 40 ft | 20 | Fair |
| FAS 1216-CH 3 over Maids Run No. 066302200000000 | NE-7-T13NR2W | 1968 | Box Beam or Girders - Multiple | 28 ft | 10 | Good |
| TR 250 over Henderson Creek No. 066410300000000 | W.CTR-17-T13NR1W | 1957 | Channel Beam | 72 ft | 10 | Fair |
| TR228 over Pope Creek No. 066422100000000 | NW-1-T-13N Rw | 2015 | Box Beam or Girders - Multiple | 83 ft | 10 | Good |
| TR 186A over Duck Creek No. 066431100000000 | SE-26-T13NR3W | 1958 | Channel Beam | 26 ft | 10 | Good |
| TR 215 over Wildcat CR No. 066441400000000 | NW-9-T13NR4W | 1971 | Tee Beam | 86 ft | 10 | Fair |
| TR 223 over Douglas Creek No. 066441800000000 | NE-11-T13NR4W | 1997 | Culvert | 27 ft | 10 | Poor |
| TR 100 over Wildcat Creek No. 066441900000000 | NW-3-T13NR4W | 1999 | Box Beam or Girders - Multiple | 62 ft | 10 | Good |
| TR 42 over Pope Creek No. 066450300000000 | N Edge of Keithsburg | 1990 | Box Beam or Girders - Multiple | 69 ft | 10 | Good |
| TR 45 over N. Camp Creek No. 066531700000000 | NE-23-T15NR3W | 2020 | Culvert | 26 ft | 10 | Good |
| TR 8 over Main Ditch North No. 066552100000000 | SW-24-T15NR6W | 2007 | Box Beam or Girders - Multiple | 64 ft | 10 | Good |
Structure types in Mercer County
| Box Beam or Girders - Multiple | 84 | 51.5% |
| Culvert | 24 | 14.7% |
| Stringer/Multi-beam or Girder | 22 | 13.5% |
| Channel Beam | 20 | 12.3% |
| Tee Beam | 6 | 3.7% |
| Slab | 5 | 3.1% |
| Other | 1 | 0.6% |
| Orthotropic | 1 | 0.6% |
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- Menard County 89
- Monroe County 132
- Montgomery County 261
- Morgan County 234
- Moultrie County 172
- Ogle County 378
- Peoria County 351
- Perry County 136
- Piatt County 246
- Pike County 332
- Pope County 87
- Pulaski County 108
- Putnam County 50
- Randolph County 149
- Richland County 151
- Rock Island County 272
- Saline County 185
- Sangamon County 464
- Schuyler County 115
- Scott County 99
- Shelby County 335
- St. Clair County 485
- Stark County 93
- Stephenson County 340
- Tazewell County 358
- Union County 188
- Vermilion County 494
- Wabash County 90
- Warren County 199
- Washington County 234
- Wayne County 265
- White County 213
- Whiteside County 278
- Will County 656
- Williamson County 200
- Winnebago County 465
- Woodford County 224