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: CLIFTY CREEK
2.76 MI E US 45, Massac, IL
Over: Slough Creek
0.7M W IL47, McHenry, IL
Over: CAMP CREEK
E.CTR-20-T15NR1W, Mercer, IL
Over: HORSE CREEK
SEC 28 RD DIST 3, Monroe, IL
Over: Coffeen Lake
0.9 mi W Coffeen, Montgomery, IL
Over: HENKLE CREEK
0.11 mi E 4th St, Sangamon, IL
Over: Horney Branch
2.41mi W. of US 24, Schuyler, IL
Over: ROBINSON CREEK
.9 MI NE WESTERVELT, Shelby, IL
Over: CREEK
.04MI N OF WIRE RD, Stephenson, IL
Over: Stream
5.5 MI Eof Rossville, Vermilion, IL
Over: CRAWFISH CREEK
2 MI S PATTON, Wabash, IL
Over: SLUG RUN
NE-16-T10NR1W, Warren, IL
Over: PICAYUNE CREEK
N.CTR-11-T9NR2W, Warren, IL
Over: SUNNYLAND DRAIN
1.8 M S OF US 30, Will, IL
Over: HICKORY CREEK
.6 MI E RICHARD ST, Will, IL
Over: MULE CREEK
AT SCL OF MARION, Williamson, IL
Over: UNNAMED CREEK
AT YALE BRIDGE RD, Winnebago, IL
Over: WALNUT FORK CREEK
.7MI E CLAYTON, Adams, IL
Over: BNSFRR
2.9 MI E OF ILL 127, Bond, IL
Over: BNSFRR
2.9 MI E OF ILL 127, Bond, IL
Over: DEVIL'S SLOUGH DITCH
1.6 MI W OF IL 40, Bureau, IL
Over: SANG. RIVER
5 MI N OF BELLFLOWER, Champaign, IL
Over: UNNAMED STREAM
1.5 MI W YORK, Clark, IL
Over: KASKASKIA R OVERFLOW
2.6 M EAST BARTELSO, Clinton, IL
Over: POPLAR CREEK
0.4 M N IL 19, Cook, IL
Over: CAL SAG CHANNEL
0.2M.S.VERMONT ST P4, Cook, IL
Over: STREAM
0.5 MI W GORDON JCT, Crawford, IL
Over: DRAINAGE DITCH
1.2 MI W OF NEWMAN, Douglas, IL
Over: W BR DUPAGE RIVER
0.1 MI E WASHNGTN BL, DuPage, IL
Over: SALT CREEK
1.3 M NE OF ILL 83, DuPage, IL
Over: SALT CREEK
0.25MI E OF IL 83, DuPage, IL
Over: BUTTER CREEK
0.5 MI SW ALBION, Edwards, IL
Over: SALT CREEK
0.5 MI W TEUTOPOLIS, Effingham, IL
Over: STREAM
1570E, 100N, Ford, IL
Over: OVFL LIT BESSIE CK
AKIN RD, Franklin, IL
Over: TRIB TO SUGAR CREEK
N WEST CITY, Franklin, IL
Over: STREAM
.5 MI S DELAFIELD, Hamilton, IL
Over: STREAM
1.3 MI NW MCLEANSBOR, Hamilton, IL
Over: OPPOSUM CR
.20 M W PONTOOSUC, Hancock, IL
Over: TRIB TO HONEY CR
1.5 MI W OF RARITAN, Henderson, IL
Over: SPRING CREEK TRIB.
1.5 MI W OF ATKINSON, Henry, IL
Over: UNNAMED STREAM
2.5 MI. S. OF ORION, Henry, IL
Over: EDWARDS RIVER
2.0 MI SW CAMBRIDGE, Henry, IL
Over: JEFFERSON CREEK
1.04 MI S OF FAS 323, Iroquois, IL
Over: DRAINAGE DITCH
.05 MILE E OF ILL 49, Iroquois, IL
Over: TRIB. PIGEON CR
1.39 MI E OF ILL 49, Iroquois, IL
Over: TALBOT HOLLOW
SW 1/4 SEC 26-9-4, Jackson, IL
Over: TRIB LAWS CREEK
2.5 MI E WHEELER, Jasper, IL
Over: GALENA RIVER
3 MI N OF GALENA, Jo Daviess, IL
Over: E BR FOX RIVER
700 FT W ILL RT 25, Kane, IL
Showing 22,301-22,350 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.