Total Bridges
27,743
Public highway bridges in Illinois
State profile · Near median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Illinois, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
27,743
Public highway bridges in Illinois
Good Condition
41.2%
11,426 bridges rated 7-9
-8.8pp vs 50% benchmark
Poor Condition
7.9%
2,186 bridges whose lowest applicable component is rated 0-4
0.9pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Illinois on the same metric.
RI
NE
IL
MA
MO
Six lowest-condition bridges in Illinois, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: DRAINAGE CANAL
2.2 MI E MEYER, Adams, IL
Over: E FK MAZONRIVER
0.05 MI W CH 16, Grundy, IL
Over: WILSON CREEK
NE-35-T3NR2E, Fulton, IL
Over: KING CREEK
W EDGE OF MINERAL, Bureau, IL
Over: DRAINAGE DITCH
3.5 MI NE DIETERICH, Effingham, IL
Over: BIG CREEK
NE EDGE MT ZION, Macon, IL
Over: CRABAPPLE CREEK
5 MI N MATTOON, Coles, IL
Over: STREAM
.5 MI E FAIRGRANGE, Coles, IL
Over: N LAG MARQUETTE PARK
3.5 M N US 12,20, Cook, IL
Over: S LAG MARQUETTE PARK
3.2 M N US 12,20, Cook, IL
Over: WELLER CREEK
.25 E OF SEEGER RD, Cook, IL
Over: THORN CREEK
SB 394 TO WB 294/I80, Cook, IL
Over: FLAG CR NORTH
0.9 M S US 34 P10, Cook, IL
Over: LONG POINT CREEK
2 MI N OF WAPELLA, De Witt, IL
Over: STREAM
0.5 MI N OF WAPELLA, De Witt, IL
Over: INDIAN CREEK
7.0 MI S SHABBONA, DeKalb, IL
Over: STREAM
W OF HINDSBORO, Douglas, IL
Over: STREAM
1 MI SW OF ARCOLA, Douglas, IL
Over: W BR DUPAGE RIVER
0.1 M E OF IL 59, DuPage, IL
Over: FIRST SALT CREEK
2MI W MONTROSE, Effingham, IL
Over: LITTLE BISHOP CR
1 MI S ELLIOTTSTOWN, Effingham, IL
Over: BRANCH JORDAN CREEK
3.5M NE OF BENTON, Franklin, IL
Over: HOG RUN
.21 MI W-BENNIT RD, Grundy, IL
Over: JOHNNY RUN CREEK
.28 MI W DWIGHT ROAD, Grundy, IL
Over: TEN MILE CREEK
6.4 MI E FRANK CO LN, Hamilton, IL
Over: CAMP CREEK
.5 M N COLUSA, Hancock, IL
Over: WILDCAT CREEK
1.3 MI S HOOPOLE RD, Henry, IL
Over: COON CR
2.19 MI W OF IL 1, Iroquois, IL
Over: CREEK
WEST LINE SECT18-9-1, Jackson, IL
Over: SIX MILE CREEK
1 MI E OF DOWELL, Jackson, IL
Over: SEVEN MILE CREEK
1 MI E MT VERNON, Jefferson, IL
Over: GUN CREEK
2 MI E SPRING GARDEN, Jefferson, IL
Over: PHILS CREEK
7.0 M W JCT ILL 111, Jersey, IL
Over: UP RR
1.2 MI E I-88, Lee, IL
Over: DRAINAGE DITCH
2 MI. N. OF US 30, Lee, IL
Over: Vermilion River
0.5 MI E OF MCDOWELL, Livingston, IL
Over: MOON CREEK
2 MI NORTH ANCONA, Livingston, IL
Over: PRAIRIE CREEK
205E, 2800N, Livingston, IL
Over: DEER CREEK
0.25 MI E PATOKA, Marion, IL
Over: NORTH FORK CREEK
5.5 MI E VERNON, Marion, IL
Over: SOUTH CREEK
0.5 MI NE CARTTER, Marion, IL
Over: MOKELLER CREEK
0.08 M W OF US 14, McHenry, IL
Over: MOT HOLLOW CREEK
LAKE ST.-OAKFORD, Menard, IL
Over: GROVE CREEK
1 MI S SWEETWATER, Menard, IL
Over: INDIAN CREEK
3MI S PRENTICE, Morgan, IL
Over: BR. OF BUFFALO CREEK
4 MI. SW. OF POLO, Ogle, IL
Over: Little Blue Creek
0.8 mi S Detroit, Pike, IL
Over: Miss Rvr/BNSF RR
Louisiana, Mo, Pike, IL
Over: COPPERAS CREEK
1.48 MI S ILL RTE 92, Rock Island, IL
Over: MISSISSIPPI RIVER
IN BETTENDORF, Rock Island, IL
Over: N FK CLEAR CREEK
.8M E DAWSON RD., Sangamon, IL
Over: ASH CREEK
0.7 MI E ILL 158, St. Clair, IL
Over: E Trib Reinhardt SL
1.8M E JCT IL 4, St. Clair, IL
Over: Trib to Richland Crk
3.2 MI N SMITHON, St. Clair, IL
Over: ROCK SPRING BRANCH
0.5M N US 50, St. Clair, IL
Over: CREEK
BELV S 1.5M IL 15, St. Clair, IL
Showing 22,001-22,050 of 27,743 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.