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: I-290 - IL 110 & CTA
3 M W US 34, Cook, IL
Over: I-290 IKE & CTA
2.6 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
2.5 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
2.5 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
2.2 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
2 M W US 34, Cook, IL
Over: I-290 - IL110 & CTA
1.7 M W US 34, Cook, IL
Over: I-290 IKE & CTA
1.5 M W US 34 P4C, Cook, IL
Over: I-290 - IL 110 & CTA
1.1 M W US 34, Cook, IL
Over: I-290 IKE & CTA
0.8 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
0.5 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
0.4 M W OGDEN AVE, Cook, IL
Over: I-290 - IL 110 & CTA
0.1 M W US 34, Cook, IL
Over: I-290 - IL 110 & CTA
0.7 M W US 34, Cook, IL
Over: I-88 E-W TOLL
1.4 M W US 12 P20, Cook, IL
Over: RAMP C & I-294
RAMP B, Cook, IL
Over: I-294 & I-57
RAMP C, Cook, IL
Over: IL 83, 147thST
0.6 M N of I-294, Cook, IL
Over: IL 83,147TH ST
0.6 M N of I-294, Cook, IL
Over: I-290 - IL 110 & CTA
0.9 M W I-94, Cook, IL
Over: I-290 - IL 110 & CTA
0.5 M W HALSTED ST, Cook, IL
Over: OHIO STREET FEEDER
0.2 M E I-94, Cook, IL
Over: I- 94 BISHOP FORD
1.2 M SE I-57, Cook, IL
Over: I- 94 BISHOP FORD
0.7 M SE I-57, Cook, IL
Over: IL 394
4.0 M S I-80, Cook, IL
Over: I-290 & IL 110/CTA/RR
2.5 M W IL 50, Cook, IL
Over: I- 57
3 M SW I-294, Cook, IL
Over: I- 57
0.9 M SW IL 1, Cook, IL
Over: I-55 STEVENSON
0.9 M E I94 P5C, Cook, IL
Over: I- 55 STEVENSON
0.7 M E I-94, Cook, IL
Over: I-294
2.3 M W OF IL-1, Cook, IL
Over: IL 62 FAP 339
0.3 M N I-90, Cook, IL
Over: I- 90 JFK & CTA
0.5M W of Cumberland, Cook, IL
Over: I- 94 DAN RYAN
.01M NO.OF 93RD, Cook, IL
Over: IL 1 HALSTED ST
0.01M N of 195th, Cook, IL
Over: GOVERNORS HWY
0.16 M S of US 30, Cook, IL
Over: IL 43 & 111TH ST
0.01 M N 111TH ST, Cook, IL
Over: SANTA FE DR ET AL
0.5 M S I-55, Cook, IL
Over: RR - CSXT & WIRETON
0.1M S 127TH ST, Cook, IL
Over: WENTWORTH AVE 2 RMPS
0.8 M E I-90,94, Cook, IL
Over: STONY ISLAND AVE
0.1 M N 103RD ST, Cook, IL
Over: 103RD ST
AT 103RD ST, Cook, IL
Over: 103RD ST
AT 103RD ST, Cook, IL
Over: I-190 EB JFK
0.6 M W RIVER RD P9, Cook, IL
Over: I- 80
0.6 M W OF I-57, Cook, IL
Over: 26TH ST CONNECTION
BT W-E PK LOT, Cook, IL
Over: SANTA FE DR ET AL
0.5 M S I-55, Cook, IL
Over: I- 94 BISHOP FORD
.5M E OF ML KING, Cook, IL
Over: STONY ISLAND AV
0.6 M E I-94, Cook, IL
Over: 127TH ST
0.35 W KEDZIE AVE, Cook, IL
Showing 951-1,000 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.