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: SANITARY SHIP CANAL
4000 S & 4800 W, Cook, IL
Over: S BR CHICAGO RIVER
230 W. ROOSEVELT RD., Cook, IL
Over: UNION DRAINAGE DITCH
2070N 1650E, DeKalb, IL
Over: INDIAN CREEK
680N 200E, DeKalb, IL
Over: SO BR KISHWAUKEE RIV
0.7 E. Annie Glidden, DeKalb, IL
Over: INDIAN CREEK
2 MI N BROWNS, Edwards, IL
Over: CLAYPOOL DITCH
0.50 MI.E. GORMAN RD, Grundy, IL
Over: WELCH CREEK TRIB
.4M E OF DUGAN RD, Kane, IL
Over: LITTLE INDIAN CREEK
N 41ST E 2110, LaSalle, IL
Over: PRAIRIE CREEK
N 14TH E 1975, LaSalle, IL
Over: GOOSE CREEK
W OF CHICAGO ST, Livingston, IL
Over: Lake Fork Creek Trib
1 W 1 MI S ELKHART, Logan, IL
Over: ILL RIVER
9.55 MI W OF ILL 89, Marshall, IL
Over: MASSAC CK
4.5 MI EAST RD KNOB, Massac, IL
Over: DRAINAGE DITCH
3.5 S.W. ROCHELLE, Ogle, IL
Over: KILBUCK CREEK
2.5 M NW LINDENWOOD, Ogle, IL
Over: KYTE CREEK
1.7 M E OF DAYSVILLE, Ogle, IL
Over: BAY CREEK
.75 MI W NEBO, Pike, IL
Over: DILLON CREEK
1 MI W OF TREMONT, Tazewell, IL
Over: LITTLE MACKINAW RIVE
SE-4-T23NR2W, Tazewell, IL
Over: STREAM
SW-2-T23NR5W, Tazewell, IL
Over: GRAPE CREEK
CITY OF TILTON, Vermilion, IL
Over: TRIB MIDDLE BRANCH
1.8 MI E ROSSVILLE, Vermilion, IL
Over: LITTLE ROCK CREEK
6 MI NORTH MORRISON, Whiteside, IL
Over: CATTAIL CREEK
1 MI SE FULTON, Whiteside, IL
Over: UNNAMED CREEK
3.5 MI E OF PECATONI, Winnebago, IL
Over: DONICA CREEK
6 MI SE OF OAKLAND, Coles, IL
Over: N BR CHICAGO RIVER
0.6 M E IL 43, Cook, IL
Over: RR TRACKS
1800S.& 300W.TO 200W, Cook, IL
Over: LAND
500E & 150N., Cook, IL
Over: CREEK
3.5 MI SE PALESTINE, Crawford, IL
Over: Ten Mile Creek
CLINTON-WEBSTER ST., De Witt, IL
Over: TRIB HICKORY CREEK
3 MI SE ST ELMO, Fayette, IL
Over: WAUPECAN CREEK
0.10 MI W SCOUT RD, Grundy, IL
Over: JOHNNY RUN CREEK
.5 MI S REED RD, Grundy, IL
Over: PETIT CREEK
7 MI S OF WARSAW, Hancock, IL
Over: LITTLE MUD CR
3 MI N CISSNA PK, Iroquois, IL
Over: TRIB TO IROQUOIS RV
2.5 MI SE OF IROQUOI, Iroquois, IL
Over: DODDS CREEK
1.5 MI NW OPDYKE, Jefferson, IL
Over: FOX RIVER
STOLP ISLAND, Kane, IL
Over: HORSE CR
3 MI N HERSCHER, Kankakee, IL
Over: COUEL CREEK
E 19TH N 2275, LaSalle, IL
Over: THREE MILE BRANCH
0.9 MI S ROCK ISLAND, Lee, IL
Over: SAND CREEK TRIB
1.5 MI E OF ELWIN, Macon, IL
Over: LICK CRK
3.5 MI SE HETTICK, Macoupin, IL
Over: RUSH CREEK
0.1 MI N OF CH 30, McHenry, IL
Over: MAUVAISE TERRE CR
.25 MI E JOHNSON, Morgan, IL
Over: TOWN BROOK
S MAIN ST AT BROOK, Morgan, IL
Over: LONG GROVE CREEK
.5 MI N OF MOWEAQUA, Shelby, IL
Over: MAIN DRAINAGE DITCH
SE COR-15-T22NR5W, Tazewell, IL
Showing 26,901-26,950 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.