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: Skillet Fork Creek
3 Mi SE of Iuka, Marion, IL
Over: LITTLE KICKAPOO CR
7.6 MI E OF US 51, McLean, IL
Over: BR MACKINAW RIVER
3.0 MI S COLFAX, McLean, IL
Over: BR SUGAR CREEK
0.75 MI NNE 51 & 150, McLean, IL
Over: ALLFORKS CREEK SOUTH
1 MI N OF IL 71, Putnam, IL
Over: CANOE CREEK
2 MI W OF I-88, Rock Island, IL
Over: TRIB PRAIRIE CREEK
2.3 MI W IL 97, Sangamon, IL
Over: Sugar Creek Trib
0.62 mi W IL 4, Sangamon, IL
Over: SPRING CREEK
0.02MI WEST KOKEMILL, Sangamon, IL
Over: PRESTON CREEK
1.0 MI S OF US RT 20, Stephenson, IL
Over: MILL CREEK
0.5 MI N MILL CREEK, Union, IL
Over: MIDDLE BRANCH
1.5 MI S CHENEYVILLE, Vermilion, IL
Over: TRIB CANE CREEK
4.75 MI E JCT ILL-1, White, IL
Over: I&M CANAL
0.3 MI NW CHANNAHON, Will, IL
Over: BNSF RR
MARION, Williamson, IL
Over: LITTLE SALINE CREEK
2 MI NE PULLEYS MILL, Williamson, IL
Over: KEITH CREEK
.75 MI W ALPINE RD, Winnebago, IL
Over: BR ROCK RIVER
0.2 MI N RT 173, Winnebago, IL
Over: KINNIKINNICK CREEK
IN ROSCOE, Winnebago, IL
Over: BR of Tournear Creek
0.8 MI E FAS 594/CH4, Adams, IL
Over: SEXTON CREEK
GALE, Alexander, IL
Over: PANTHER CREEK OVRFLW
SW SIDE CHANLERVILLE, Cass, IL
Over: Little Wabash River
0.5 MI. E. Louisvill, Clay, IL
Over: EMBARRAS RIVER
1.5 MI W OAKLAND, Coles, IL
Over: GREASY CREEK TRIB
1.3 MI E FAIRGRANGE, Coles, IL
Over: Little Wabash C
2 M. West of Mattoon, Coles, IL
Over: CAL UNION DITCH TRIB
0.8 M N 183RD ST, Cook, IL
Over: SUGAR CREEK
1 MI N LAWRENCE CO L, Crawford, IL
Over: TEN MILE CREEK
0.4 M S OF BUS US 51, De Witt, IL
Over: E/S BR KISHWAUKEE RV
1 MI E JCT IL 23(N), DeKalb, IL
Over: DRAINAGE DITCH
1.5 MI SW HINDSBORO, Douglas, IL
Over: Brushy Creek
2.7 mi SE of Murdock, Douglas, IL
Over: ASH CREEK
3.8 MI S SHELBY C L, Fayette, IL
Over: TRIMLEY CREEK
2 M N HILLVIEW, Greene, IL
Over: LICK CREEK North
0.78 M S MORGAN CO L, Greene, IL
Over: I & M Canal
Wm. G. Stratton SP, Grundy, IL
Over: HANEY CREEK
5MI NE CAVE N ROCK, Hardin, IL
Over: STREAM
SE-5-T8NR4W, Henderson, IL
Over: SHABBONA SPECL DITCH
2 MI. E. ATKINSON, Henry, IL
Over: LANGAN CREEK
3.97M E FORD C LN, Iroquois, IL
Over: BRANCH LAWS CREEK
2 MI SE WHEELER, Jasper, IL
Over: STREAM
.75 E ILL 109, Jersey, IL
Over: MCCORKLE CREEK
.25 MI S IL 146, Johnson, IL
Over: E BR BREWSTER CREEK
0.3 M E Gilbert St, Kane, IL
Over: SPOON RIVER
NE-1-T10NR3E, Knox, IL
Over: MILLIKEN CR
1.73 MI E OF ILL 71, LaSalle, IL
Over: STEWARD CREEK
2.5 MI. NW. STEWARD, Lee, IL
Over: STREAM
1 MI. S. OF I-88, Lee, IL
Over: BR. OF GREEN RIVER
.2 MI W STERLING RD, Lee, IL
Over: INDIAN CREEK
8.91 M S OF US 24, Livingston, IL
Showing 24,001-24,050 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.