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

ILL 91

Fair

Over: NORTH CREEK

1 MI N PRINCEVILLE, Peoria, IL

Built 2000 Load: 48.0 t ADT: 1,550

FAS 2937-IL 169

Fair

Over: POST CREEK CUTOFF

0.5 MI E OF KARNAK, Pulaski, IL

Built 1993 Load: 48.0 t ADT: 1,300

AIRPORT ROAD

Fair

Over: CASE CREEK

0.8 MI. E. OF I-280, Rock Island, IL

Built 2005 Load: 48.0 t ADT: 4,150

IL 100

Fair

Over: ILLINOIS R TRIB.

1.1M N BROWNING CTR, Schuyler, IL

Built 1935 Load: 48.0 t ADT: 600

IL 101

Fair

Over: WILLIAMS CREEK

2.5M E IL61-AUGUSTA, Schuyler, IL

Built 1929 Load: 48.0 t ADT: 675

US RT 20

Fair

Over: YELLOW CREEK

1.5 MI W ILL 73, Stephenson, IL

Built 1970 Load: 48.0 t ADT: 5,750

US 20 BR

Fair

Over: CN RR

0.5 MI E FREEPORT, Stephenson, IL

Built 1956 Load: 48.0 t ADT: 7,000

IL 122

Fair

Over: CRANE CREEK TRIB

1 MI W OF DELAVAN, Tazewell, IL

Built 1991 Load: 48.0 t ADT: 700

IL 164

Fair

Over: Cedar Creek

1.51 mi NE of US 34, Warren, IL

Built 2017 Load: 48.0 t ADT: 1,500

IL 92 FAP 587

Fair

Over: BR MASTERS CR

.7 MI W VAN ORIN, Bureau, IL

Built 1932 Load: 48.3 t ADT: 650

IL 40

Fair

Over: OTTER CREEK

1.3 MI W MILLEDGVILL, Carroll, IL

Built 2015 Load: 48.3 t ADT: 1,850

IL 72 (LEE ST)

Fair

Over: WILLOW CREEK

0.2 M S I-90 NW TOLL, Cook, IL

Built 1940 Load: 48.3 t ADT: 29,700

STATE ST.

Fair

Over: THIRD CREEK

0.7M.S.OF US-30, Cook, IL

Built 1987 Load: 48.3 t ADT: 3,450

MONTROSE DRIVE

Fair

Over: PEDESTRIAN UNDERPASS

4400N 500W, Cook, IL

Built 1936 Load: 48.3 t ADT: 6,250

IL 72 FAP 553

Fair

Over: SOO LINE/IC & E RR

W EDGE OF KIRKLAND, DeKalb, IL

Built 2006 Load: 48.3 t ADT: 2,150

ILL 54/FAP 71A

Fair

Over: DRAIN DITCH

3.42mi N/Champaign C, Ford, IL

Built 1934 Load: 48.3 t ADT: 1,100

ILL 97

Fair

Over: PUTT CREEK

2.2 MI N OF CUBA, Fulton, IL

Built 2003 Load: 48.3 t ADT: 900

TR 203

Fair

Over: STREAM

2.7 M N ELDRED, Greene, IL

Built 1978 Load: 48.3 t ADT: 25

FAP-855 (ILL-14)

Fair

Over: WHEELER CREEK

4 MI E ILL-142, Hamilton, IL

Built 1953 Load: 48.3 t ADT: 2,100

CH 2-S MUDLINE RD

Fair

Over: BRANCH OF CAMP CREEK

1 M SW OF ORAVILLE, Jackson, IL

Built 1980 Load: 48.3 t ADT: 150

PLANK ROAD

Fair

Over: PINGREE CREEK

2.3 MI W UDINA, Kane, IL

Built 2001 Load: 48.3 t ADT: 5,400

Lyle Avenue

Fair

Over: Sandy Creek

0.15 Mi. N Highland Ave., Kane, IL

Built 1985 Load: 48.3 t ADT: 2,100

ILL 351 FAP 619

Fair

Over: LONE STAR CEMENT RR

2.0 MI S OF US 6, LaSalle, IL

Built 1939 Load: 48.3 t ADT: 4,250

FAP 327 (US 50)

Fair

Over: EMBARRAS RIVER

.5 MI W IL 1, Lawrence, IL

Built 2007 Load: 48.3 t ADT: 3,650

ILL 61

Fair

Over: La MOINE RIVER

1 MI S OF COLMAR, McDonough, IL

Built 2011 Load: 48.3 t ADT: 950

GRAF ROAD

Fair

Over: W BR PISCASAW CREEK

0.4 MI W MAXON RD, McHenry, IL

Built 2012 Load: 48.3 t ADT: 350

US 51 NB

Fair

Over: Norfolk Southern Railway

US 51 NB BLOOMINGTON, McLean, IL

Built 1981 Load: 48.3 t ADT: 8,700

LANCASTER ROAD

Fair

Over: BR LA MARSH CREEK

SEC 34 LIMESTONE TWP, Peoria, IL

Built 2008 Load: 48.3 t ADT: 3,400

CS1110-COMMERCIAL

Fair

Over: BRIAR CREEK

PULASKI, Pulaski, IL

Built 1993 Load: 48.3 t ADT: 350

I-88 EB

Fair

Over: MEREDOSIA DITCH

AT WHITESIDE CO LN, Rock Island, IL

Built 1976 Load: 48.3 t ADT: 6,250

ILL 34 & 145

Fair

Over: BRIER CREEK

1 MI.S.PANKEYVILLE, Saline, IL

Built 1925 Load: 48.3 t ADT: 4,100

TR 223

Fair

Over: DRAKE CREEK

5.65 MI NE STRASBURG, Shelby, IL

Built 2016 Load: 48.3 t ADT: 100

US 150- MEADOWS AV

Fair

Over: LITTLE FARM CREEK

1.7 MI E OF ILL 8, Tazewell, IL

Built 2009 Load: 48.3 t ADT: 5,700

135TH (WB) ST

Fair

Over: W.B.DESPLAINES RIVER

0.46 MI E IL 53, Will, IL

Built 1950 Load: 48.3 t ADT: 7,100

135TH (WB) ST

Fair

Over: E.B.DESPLAINES RIVER

0.7 MI E ILL 53, Will, IL

Built 1950 Load: 48.3 t ADT: 7,100

I-39 & US 20 N B

Fair

Over: CN RR

4.7 MI E OF IL 251, Winnebago, IL

Built 1963 Load: 48.3 t ADT: 25,450

I-39 & US 20 SB

Fair

Over: CN RR

4.7 MI E OF IL 251, Winnebago, IL

Built 1963 Load: 48.3 t ADT: 25,450

US 20 E B

Fair

Over: W CHANNEL ROCK RIV

.5 MI E OF IL 2, Winnebago, IL

Built 2014 Load: 48.3 t ADT: 32,000

IL 251

Fair

Over: EAST PANTHER CREEK

6.45 MI S OF ILL 116, Woodford, IL

Built 2011 Load: 48.3 t ADT: 1,750

ILL 127

Fair

Over: SANDY CREEK

1 MI SO OF TAMMS, Alexander, IL

Built 1989 Load: 48.6 t ADT: 650

IL 16 EB (FAP 91)

Fair

Over: Eastern IL RR

1.0 MI W CHARLESTON, Coles, IL

Built 1961 Load: 48.6 t ADT: 15,100

IL 16 WB (FAP 91)

Fair

Over: Eastern IL RR

1.0 MI W CHARLESTON, Coles, IL

Built 1961 Load: 48.6 t ADT: 15,100

ILL 72

Fair

Over: COON CREEK

.5 MI W KANE CO LN, DeKalb, IL

Built 1989 Load: 48.6 t ADT: 4,950

I-290

Fair

Over: SPRING BROOK

0.6 M S OF IL 19, DuPage, IL

Built 1970 Load: 48.6 t ADT: 89,900

ILL 100

Fair

Over: GRAHAM HOLLOW CREEK

1.2M N GRAFTON, Jersey, IL

Built 1938 Load: 48.6 t ADT: 1,850

IL 97

Fair

Over: LITTLERS CREEK

2 MI N OF RAPATEE, Knox, IL

Built 2002 Load: 48.6 t ADT: 1,350

FAP 322 (US 51)

Fair

Over: SPRING CREEK

S BETWEEN IL48&BSN51, Macon, IL

Built 1976 Load: 48.6 t ADT: 4,400

ILL 108

Fair

Over: HURRICANE CREEK

W EDGE CARLINVILLE, Macoupin, IL

Built 1992 Load: 48.6 t ADT: 1,750

ILL 4

Fair

Over: HURRICANE CREEK

2.5 M N CARLINVILLE, Macoupin, IL

Built 1960 Load: 48.6 t ADT: 2,900

MSS 42 FAIRMONT AV

Fair

Over: CANTEEN CANAL

1.5MI W COLLINSVILLE, Madison, IL

Built 1973 Load: 48.6 t ADT: 825

Showing 13,151-13,200 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.