State profile · Near median Poor share

Illinois bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Illinois, based on the FHWA National Bridge Inventory.

27,743
Public bridges
41.2%
Good condition
7.9%
Poor condition

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%

Illinois vs national bridge condition

Illinois - Good condition share 41.2%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Illinois - Poor-condition share 26.3%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Illinois vs nearby ranks

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

Rhode Island

7.69% top marginal rate
Structure
Progressive
Burden @ $100K
$78

NE

Nebraska

7.73% top marginal rate
Structure
Progressive
Burden @ $100K
$15,571
Selected

IL

Illinois

7.88% top marginal rate
Structure
Progressive
Burden @ $100K
$27,743

MA

Massachusetts

7.96% top marginal rate
Structure
Progressive
Burden @ $100K
$5,314

MO

Missouri

8.53% top marginal rate
Structure
Progressive
Burden @ $100K
$24,654

Bridges Needing Most Attention in Illinois

Six lowest-condition bridges in Illinois, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Illinois

WOLF RD.

Fair

Over: FEEHANVILLE DITCH

0.68M.N.OF CENTRAL, Cook, IL

Built 1991 Load: 32.4 t ADT: 14,600

I- 90,94 JFK

Fair

Over: AIR

BETW LOGAN & WESTERN, Cook, IL

Built 1960 Load: 32.4 t ADT: 215,600

IL 64 (NORTH AVE)

Fair

Over: ADDISON CREEK

0.3 M W US 45, Cook, IL

Built 1999 Load: 32.4 t ADT: 34,800

LAKE SHORE DRIVE

Fair

Over: Field Museum Concour

1140 S Lake Shore Dr, Cook, IL

Built 1996 Load: 32.4 t ADT: 128,500

LAKE SHORE DRIVE

Fair

Over: 17TH ST CONCOURSE

400 E 1700 S, Cook, IL

Built 1996 Load: 32.4 t ADT: 135,600

123RD ST & PULASKI

Fair

Over: STONEY CREEK

AT PULASKI RD., Cook, IL

Built 1974 Load: 32.4 t ADT: 8,400

BARRINGTON RD

Fair

Over: E BRANCH POPLAR CK

0.5 M S OF IL 72, Cook, IL

Built 1985 Load: 32.4 t ADT: 29,900

IL 50 (CICERO AVE

Fair

Over: BUTTERFIELD CREEK

0.5 M S VOLLMER RD, Cook, IL

Built 2003 Load: 32.4 t ADT: 16,800

127TH ST

Fair

Over: NAVAJO CREEK

0.1 M E OF IL 43, Cook, IL

Built 2003 Load: 32.4 t ADT: 12,300

WOOD ST

Fair

Over: CAL UNION DITCH

0.2 M S US 6, Cook, IL

Built 2003 Load: 32.4 t ADT: 7,600

ROBERTS ROAD

Fair

Over: STONY CREEK

0.3 M N 111TH P19, Cook, IL

Built 1932 Load: 32.4 t ADT: 14,400

CENTRAL RD

Fair

Over: Land and Salt Creek

0.56MI W Roselle Rd, Cook, IL

Built 2018 Load: 32.4 t ADT: 6,250

175th Street

Fair

Over: Cherry Creek

0.5 MI E. of Kedzie Ave, Cook, IL

Built 1976 Load: 32.4 t ADT: 12,300

SCHOENBECK RD

Fair

Over: MCDONALD CREEK

0.7 M N PALATINE P25, Cook, IL

Built 1961 Load: 32.4 t ADT: 4,200

GARDNER RD

Fair

Over: ADDISON CR

0.2 M S ROOSEVELTP20, Cook, IL

Built 1957 Load: 32.4 t ADT: 1,850

FAU-2831 (Kedzie A

Fair

Over: Midlothian Creek

0.4M.S.OF 135TH ST., Cook, IL

Built 1958 Load: 32.4 t ADT: 10,700

HINTZ ROAD

Fair

Over: WHEELING DRN DITCH

0.1M E WOLF ROAD, Cook, IL

Built 1994 Load: 32.4 t ADT: 8,850

TECHNY ROAD

Fair

Over: N. BR CHICAGO RIVER

0.4 M E IL43 P14, Cook, IL

Built 1993 Load: 32.4 t ADT: 7,500

SAUK TRAIL

Fair

Over: REICHART CREEK

0.2M.W.OF IL-394, Cook, IL

Built 1989 Load: 32.4 t ADT: 18,300

WOLF RD.

Fair

Over: RELOC.FLAG CREEK

0.2M.N.OF I-55, Cook, IL

Built 1991 Load: 32.4 t ADT: 9,850

143RD STREET

Fair

Over: TINLEY CREEK

0.3 M W OF RIDGELAND, Cook, IL

Built 1997 Load: 32.4 t ADT: 20,300

ASHLAND AVE

Fair

Over: S BR CHICAGO RIVER

2605 S & 1600 W, Cook, IL

Built 1938 Load: 32.4 t ADT: 23,200

CANAL ST

Fair

Over: S BR CHICAGO RIVER

500 W & 2021 S, Cook, IL

Built 1948 Load: 32.4 t ADT: 15,800

DAMEN AVE

Fair

Over: S BR CHICAGO RIVER

2725 S DAMEN AV, Cook, IL

Built 1930 Load: 32.4 t ADT: 21,900

W MONROE ST

Fair

Over: S BR CHICAGO RIV

378 W & 100 S, Cook, IL

Built 1919 Load: 32.4 t ADT: 4,650

N WELLS ST

Fair

Over: MAIN BR CHICAGO RIV

200 W & 309 N, Cook, IL

Built 1922 Load: 32.4 t ADT: 10,500

ADDISON ST

Fair

Over: N BR CHICAGO RIVER

3600 N & 2700 W, Cook, IL

Built 1920 Load: 32.4 t ADT: 19,100

CAMPBELL

Fair

Over: SALT CREEK

0.6 E 53/2.4 N 62P18, Cook, IL

Built 1970 Load: 32.4 t ADT: 2,350

NORMAL AVE

Fair

Over: AUBURN PARK LAGOON

7825S 500W, Cook, IL

Built 1923 Load: 32.4 t ADT: 500

EGGLESTON AVE

Fair

Over: AUBURN PARK LAGOON

7750S 430W, Cook, IL

Built 1923 Load: 32.4 t ADT: 225

PULASKI ROAD

Fair

Over: BNSF RAILROAD TRACKS

3800S 4000W, Cook, IL

Built 1928 Load: 32.4 t ADT: 18,800

PULASKI RD

Fair

Over: RR Track&Parking Lot

3900 S & 4000 W, Cook, IL

Built 1928 Load: 32.4 t ADT: 37,700

CLARK ST

Fair

Over: UNUSED LAND

200W.& 1200S., Cook, IL

Built 1921 Load: 32.4 t ADT: 11,500

N HALSTED ST

Fair

Over: N BR CANAL

1047 N Halsted, Cook, IL

Built 2011 Load: 32.4 t ADT: 12,050

PARK DRIVE

Fair

Over: PARKING GARAGE

350E-400NTO500N, Cook, IL

Built 1990 Load: 32.4 t ADT: 1,000

W TAYLOR ST

Fair

Over: SERVICE ROAD

400W & 1000S, Cook, IL

Built 2006 Load: 32.4 t ADT: 6,650

Commerce Drive

Fair

Over: W Br. of Salt Creek

.1 M W Plum Grove Rd, Cook, IL

Built 1997 Load: 32.4 t ADT: 1,450

FULLERTON PARKWAY

Fair

Over: LINCOLN PK LAGOON

2400 N. & 100 E., Cook, IL

Built 2012 Load: 32.4 t ADT: 21,300

Homan Avenue

Fair

Over: Stoney Creek

0.1 MI N 127TH ST, Cook, IL

Built 1967 Load: 32.4 t ADT: 825

LOIS DR

Fair

Over: SALT CREEK

2 E 53/ .25 N 58 P5C, Cook, IL

Built 1982 Load: 32.4 t ADT: 950

I-90 SKYWAY

Fair

Over: CHGO.SHORT LINE RR

0.13 M SE COMM AV, Cook, IL

Built 1958 Load: 32.4 t ADT: 28,700

LASALLE DR

Fair

Over: SHARED USE PATH

1716 N 78 W, Cook, IL

Built 1980 Load: 32.4 t ADT: 21,500

WELLS ST

Fair

Over: Parking Area

200W.& 340N., Cook, IL

Built 1989 Load: 32.4 t ADT: 10,500

NORMAL AVE

Fair

Over: AUBURN PARK LAGOON

7850S 500W, Cook, IL

Built 1923 Load: 32.4 t ADT: 500

EGGLESTON AVENUE

Fair

Over: AUBURN PARK LAGOON

7800S 430W, Cook, IL

Built 1923 Load: 32.4 t ADT: 225

WASHINGTON ST

Fair

Over: STREET CAR TUNNEL

100N&500W.TO540 W., Cook, IL

Built 1989 Load: 32.4 t ADT: 9,600

ROOSEVELT ROAD

Fair

Over: LAND

1200S 30W TO 100W, Cook, IL

Built 1995 Load: 32.4 t ADT: 20,200

ROOSEVELT RD

Fair

Over: PLYMOUTH COURT

1200S 30W, Cook, IL

Built 1995 Load: 32.4 t ADT: 20,200

JACKSON BOULEVARD

Fair

Over: PEDESTRIAN UNDERPASS

300S 3700W, Cook, IL

Built 1996 Load: 32.4 t ADT: 7,900

NORTH DAMEN AVENUE

Fair

Over: N BRCH CHICAGO RIVER

2600 N., 2000 W., Cook, IL

Built 1999 Load: 32.4 t ADT: 10,150

Showing 7,651-7,700 of 27,743 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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.

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.