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

TR 3

Good

Over: CLIFTY CREEK

2.76 MI E US 45, Massac, IL

Built 1993 Load: 35.0 t ADT: 50

Jankowski Rd/ TR85

Good

Over: Slough Creek

0.7M W IL47, McHenry, IL

Built 1975 Load: 35.0 t ADT: 175

TR 264

Good

Over: CAMP CREEK

E.CTR-20-T15NR1W, Mercer, IL

Built 2019 Load: 35.0 t ADT: 125

TR130 LL ROAD

Good

Over: HORSE CREEK

SEC 28 RD DIST 3, Monroe, IL

Built 1978 Load: 35.0 t ADT: 150

TR 371

Good

Over: Coffeen Lake

0.9 mi W Coffeen, Montgomery, IL

Built 2019 Load: 35.0 t ADT: 200

FAS 1622

Good

Over: HENKLE CREEK

0.11 mi E 4th St, Sangamon, IL

Built 1990 Load: 35.0 t ADT: 500

FAS 1581 (CH 13)

Good

Over: Horney Branch

2.41mi W. of US 24, Schuyler, IL

Built 2018 Load: 35.0 t ADT: 125

TR 85

Good

Over: ROBINSON CREEK

.9 MI NE WESTERVELT, Shelby, IL

Built 1992 Load: 35.0 t ADT: 50

IL RTE 73

Good

Over: CREEK

.04MI N OF WIRE RD, Stephenson, IL

Built 2008 Load: 35.0 t ADT: 1,250

FAS 496 (CH 14)

Good

Over: Stream

5.5 MI Eof Rossville, Vermilion, IL

Built 2013 Load: 35.0 t ADT: 150

FAP 332 (IL 1)

Good

Over: CRAWFISH CREEK

2 MI S PATTON, Wabash, IL

Built 2016 Load: 35.0 t ADT: 3,500

TR 206

Good

Over: SLUG RUN

NE-16-T10NR1W, Warren, IL

Built 1977 Load: 35.0 t ADT: 50

TR 132

Good

Over: PICAYUNE CREEK

N.CTR-11-T9NR2W, Warren, IL

Built 1973 Load: 35.0 t ADT: 50

I- 55 EAST FRNT RD

Good

Over: SUNNYLAND DRAIN

1.8 M S OF US 30, Will, IL

Built 1956 Load: 35.0 t ADT: 2,800

MILLER AV.

Good

Over: HICKORY CREEK

.6 MI E RICHARD ST, Will, IL

Built 1935 Load: 35.0 t ADT: 1,400

CH 13-S.MARKET ST

Good

Over: MULE CREEK

AT SCL OF MARION, Williamson, IL

Built 1986 Load: 35.0 t ADT: 3,550

WHEELER RD

Good

Over: UNNAMED CREEK

AT YALE BRIDGE RD, Winnebago, IL

Built 1990 Load: 35.0 t ADT: 450

US 24

Good

Over: WALNUT FORK CREEK

.7MI E CLAYTON, Adams, IL

Built 1994 Load: 35.3 t ADT: 2,800

I-70 EB

Good

Over: BNSFRR

2.9 MI E OF ILL 127, Bond, IL

Built 1965 Load: 35.3 t ADT: 11,400

I-70 WB

Good

Over: BNSFRR

2.9 MI E OF ILL 127, Bond, IL

Built 1966 Load: 35.3 t ADT: 11,400

US 6/34 FAP 613

Good

Over: DEVIL'S SLOUGH DITCH

1.6 MI W OF IL 40, Bureau, IL

Built 2002 Load: 35.3 t ADT: 2,400

IL 54

Good

Over: SANG. RIVER

5 MI N OF BELLFLOWER, Champaign, IL

Built 1992 Load: 35.3 t ADT: 1,100

FAS 693/CH17

Good

Over: UNNAMED STREAM

1.5 MI W YORK, Clark, IL

Built 2008 Load: 35.3 t ADT: 200

IL 161

Good

Over: KASKASKIA R OVERFLOW

2.6 M EAST BARTELSO, Clinton, IL

Built 1994 Load: 35.3 t ADT: 2,250

IL 59 (SUTTON RD)

Good

Over: POPLAR CREEK

0.4 M N IL 19, Cook, IL

Built 1997 Load: 35.3 t ADT: 36,200

DIVISION ST

Good

Over: CAL SAG CHANNEL

0.2M.S.VERMONT ST P4, Cook, IL

Built 1964 Load: 35.3 t ADT: 2,600

FAP-781 (ILL-33)

Good

Over: STREAM

0.5 MI W GORDON JCT, Crawford, IL

Built 1995 Load: 35.3 t ADT: 4,850

CH 3

Good

Over: DRAINAGE DITCH

1.2 MI W OF NEWMAN, Douglas, IL

Built 1900 Load: 35.3 t ADT: 75

HOBSON RD

Good

Over: W BR DUPAGE RIVER

0.1 MI E WASHNGTN BL, DuPage, IL

Built 1998 Load: 35.3 t ADT: 4,725

I-88 WB

Good

Over: SALT CREEK

1.3 M NE OF ILL 83, DuPage, IL

Built 1958 Load: 35.3 t ADT: 59,550

I-88 E-W CONNECTOR

Good

Over: SALT CREEK

0.25MI E OF IL 83, DuPage, IL

Built 2008 Load: 35.3 t ADT: 8,100

FAS-1884 (CH-6)

Good

Over: BUTTER CREEK

0.5 MI SW ALBION, Edwards, IL

Built 1983 Load: 35.3 t ADT: 650

TR-256

Good

Over: SALT CREEK

0.5 MI W TEUTOPOLIS, Effingham, IL

Built 1997 Load: 35.3 t ADT: 225

FAS1346 CH5 LEHIGH

Good

Over: STREAM

1570E, 100N, Ford, IL

Built 2008 Load: 35.3 t ADT: 200

FAS 873

Good

Over: OVFL LIT BESSIE CK

AKIN RD, Franklin, IL

Built 1980 Load: 35.3 t ADT: 1,000

CS 1000 (BENTON)

Good

Over: TRIB TO SUGAR CREEK

N WEST CITY, Franklin, IL

Built 1900 Load: 35.3 t ADT: 1,950

FAP-849 (ILL-142)

Good

Over: STREAM

.5 MI S DELAFIELD, Hamilton, IL

Built 1993 Load: 35.3 t ADT: 2,700

FAP-849 (ILL-142)

Good

Over: STREAM

1.3 MI NW MCLEANSBOR, Hamilton, IL

Built 1999 Load: 35.3 t ADT: 2,700

IL 9/IL 96

Good

Over: OPPOSUM CR

.20 M W PONTOOSUC, Hancock, IL

Built 2008 Load: 35.3 t ADT: 1,550

CH 9 (RARITAN ROAD

Good

Over: TRIB TO HONEY CR

1.5 MI W OF RARITAN, Henderson, IL

Built 1956 Load: 35.3 t ADT: 725

US 6

Good

Over: SPRING CREEK TRIB.

1.5 MI W OF ATKINSON, Henry, IL

Built 1993 Load: 35.3 t ADT: 2,400

US 150

Good

Over: UNNAMED STREAM

2.5 MI. S. OF ORION, Henry, IL

Built 1995 Load: 35.3 t ADT: 2,950

TR 152

Good

Over: EDWARDS RIVER

2.0 MI SW CAMBRIDGE, Henry, IL

Built 1978 Load: 35.3 t ADT: 50

FAS 326 BRYCE RD

Good

Over: JEFFERSON CREEK

1.04 MI S OF FAS 323, Iroquois, IL

Built 1988 Load: 35.3 t ADT: 475

US 24

Good

Over: DRAINAGE DITCH

.05 MILE E OF ILL 49, Iroquois, IL

Built 1994 Load: 35.3 t ADT: 4,500

FAS 329 CH-10

Good

Over: TRIB. PIGEON CR

1.39 MI E OF ILL 49, Iroquois, IL

Built 1985 Load: 35.3 t ADT: 500

FAS 912 CH 9

Good

Over: TALBOT HOLLOW

SW 1/4 SEC 26-9-4, Jackson, IL

Built 1983 Load: 35.3 t ADT: 225

FAP-95 (ILL-33)

Good

Over: TRIB LAWS CREEK

2.5 MI E WHEELER, Jasper, IL

Built 1993 Load: 35.3 t ADT: 5,600

W COUNCIL HILL ROA

Good

Over: GALENA RIVER

3 MI N OF GALENA, Jo Daviess, IL

Built 1970 Load: 35.3 t ADT: 525

ILLINOIS AVE

Good

Over: E BR FOX RIVER

700 FT W ILL RT 25, Kane, IL

Built 1949 Load: 35.3 t ADT: 13,200

Showing 22,301-22,350 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.