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: LICK CREEK
1.5 SE OF CURRAN, Sangamon, IL
Over: WALNUT CREEK
1.2 M W CO LINE, Scott, IL
Over: WALNUT CREEK
1.2 M W CO LINE, Scott, IL
Over: YELLOW CR. BR.
PEARL CITY, Stephenson, IL
Over: PRAIRIE CREEK
E OF I-155, Tazewell, IL
Over: MIDDLEFORK VERM RIV
2.6 MI W OF DANVILLE, Vermilion, IL
Over: WABASH RIVER
MT CARMEL, Wabash, IL
Over: CEDAR CREEK
4 MI N OF ROSEVILLE, Warren, IL
Over: TRIB TOWN BRANCH CR
0.5 MI N OF ILL 116, Warren, IL
Over: WILLIAMS CR
1.25 MI S ILL 15, Washington, IL
Over: I & M CANAL
1.6 M W OF I-55, Will, IL
Over: HICKORY CREEK
2.2 M S OF I-80, Will, IL
Over: FORKED CREEK
1 M N OF IL 102, Will, IL
Over: I.C.R.R.
0.1M.E.OF IL-50, Will, IL
Over: Cedar Creek
.5 M W of Millsdale, Will, IL
Over: Cedar Creek
0.3 M N of Millsdale, Will, IL
Over: N Fraction Run Crk
0.7M N of Bruce Rd, Will, IL
Over: HURRICANE CREEK
0.5 MILE N OF COLP, Williamson, IL
Over: ROCK CREEK
1.4 MI S URSA, Adams, IL
Over: BUREAU CREEK
1.2 MI S JCT ILL26, Bureau, IL
Over: Norfolk Southern Railway
SW OF TOLONO, Champaign, IL
Over: SUTTON CREEK
2.9 MI E MARION C L, Clay, IL
Over: NORTH CREEK
2.4 M S I-80, Cook, IL
Over: WETLANDS
0.3 M N OF IL 19, Cook, IL
Over: S BR CHICAGO RIV
373 W MADISON, Cook, IL
Over: LITTLE WABASH RIVER
2 MI W EFFINGHAM, Effingham, IL
Over: DIETERICH CREEK
1 MI N DIETERICH, Effingham, IL
Over: STREAM
1780E,1000N, Ford, IL
Over: STREAM E OF BENTON
6.6 MI E BENTON, Franklin, IL
Over: HURRICANE CK
1.7 MI SE WILMINGTON, Greene, IL
Over: TRIB W FR NETTLE CR
0.57MI E. ROODS RD, Grundy, IL
Over: SIX MILE CREEK
0.25 MI.W. HURST, Jackson, IL
Over: INDIAN CREEK
3 M S OF IL 56, Kane, IL
Over: Minnie Creek
4.3 M N Chebanse Int, Kankakee, IL
Over: ROADS CR
.5MI SW NEWARK, Kendall, IL
Over: DRAINAGE DITCH
0.44 N OF LAKE COOK, Lake, IL
Over: APTAKISIC CREEK
0.2M.S.APTAKISIC RD., Lake, IL
Over: LONE STAR CEMENT RR
2.55 MI S OF US 6, LaSalle, IL
Over: BR W FORK MAZON R.
3 MI SW OF DWIGHT, Livingston, IL
Over: BR W FORK MAZON R.
3 MI SW OF DWIGHT, Livingston, IL
Over: DIAMOND CREEK
35 E, 2200 N, Livingston, IL
Over: WOODRIVER CREEK
W CITY LIMIT E ALTON, Madison, IL
Over: TRIB TO SUGAR CREEK
4.7 MILES S HIGHLAND, Madison, IL
Over: CROOKED CREEK
N OF CENTRAL CITY, Marion, IL
Over: COON CREEK
0.2 MI W BURMA RD, McHenry, IL
Over: EDWARDS RIVER
2 MI N OF VIOLA, Mercer, IL
Over: KILBUCK CR. TRIB
1.5 MI W DEKALB CO, Ogle, IL
Over: THE SNY
3.0 MI SW HULL, Pike, IL
Over: BLUE CREEK
5MI NE PITTSFIELD, Pike, IL
Over: Bull Run Creek
1.87 mi E FAS 596, Pike, IL
Showing 12,201-12,250 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.