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

OAK STREET

Good

Over: FIDDYMENT CR

1 MI E OF IL 171, Will, IL

Built 2005 Load: 32.4 t ADT: 275

FARREL RD.

Good

Over: FRACTION RUN

0.3M.S OF BRUCE ROAD, Will, IL

Built 1991 Load: 32.4 t ADT: 4,750

BRUCE ROAD

Good

Over: SPRING CREEK TRIB

0.5 MI E Cedar Rd, Will, IL

Built 1994 Load: 32.4 t ADT: 1,500

W OAK TRAIL

Good

Over: TRIB LONG RUN CREEK

0.2MI S 143RD ST, Will, IL

Built 1968 Load: 32.4 t ADT: 100

ZURICH RD

Good

Over: I.C.G.RR

.37M W OF IL53, Will, IL

Built 1998 Load: 32.4 t ADT: 2,400

Delaney Rd

Good

Over: JACKSON CREEK

2.9 MI E OF CEDAR RD, Will, IL

Built 1985 Load: 32.4 t ADT: 2,950

CHERRY HILL RD.

Good

Over: SUGAR RUN CREEK

0.04M.S.SPENCER RD., Will, IL

Built 1988 Load: 32.4 t ADT: 1,450

CLEVELAND RD.

Good

Over: STREAM

200'W OF WOLF ROAD, Will, IL

Built 1987 Load: 32.4 t ADT: 100

RIDGE RD.

Good

Over: JACKSON BRANCH

1.3M.N.MAN-ELWOOD RD, Will, IL

Built 1991 Load: 32.4 t ADT: 600

BRANDON RD

Good

Over: JACKSON CREEK

0.6 MI S ARSENAL RD, Will, IL

Built 2001 Load: 32.4 t ADT: 1,150

RIDGE RD

Good

Over: JACKSON CREEK

.1 MI N MANHATTAN RD, Will, IL

Built 2001 Load: 32.4 t ADT: 600

BRANDON RD

Good

Over: CEDAR CR

1.3 MI N ARSENAL RD, Will, IL

Built 2006 Load: 32.4 t ADT: 2,050

SCHEER RD

Good

Over: JACKSON CRK TRIB

0.8 M NO BAKER RD, Will, IL

Built 1994 Load: 32.4 t ADT: 1,250

GOUGAR RD

Good

Over: TRIB PRAIRIE CREEK

1 MI S HUFF RD, Will, IL

Built 2000 Load: 32.4 t ADT: 75

EASTERN AVENUE

Good

Over: JACKSON CREEK

0.4 MI NO BAKER RD, Will, IL

Built 2001 Load: 32.4 t ADT: 2,950

SCHOOL HOUSE RD

Good

Over: STREAM

0.4 MI N MANH-MONEE, Will, IL

Built 2003 Load: 32.4 t ADT: 75

SCHEER ROAD

Good

Over: TRIB PRAIRIE CREEK

0.5 MI N MANH-MONEE, Will, IL

Built 2004 Load: 32.4 t ADT: 1,250

FAY-6859 (Scheer R

Good

Over: Trib Prairie Creek

0.5 M S Manh-Monee, Will, IL

Built 2018 Load: 32.4 t ADT: 50

PAULING RD (TR 251

Good

Over: S BR FORKED CREEK

1.7M W of I57, Will, IL

Built 2014 Load: 32.4 t ADT: 3,250

HARLEM AVE.

Good

Over: TRIB.FORKED CREEK

JUST N@ MAN-MONEE RD, Will, IL

Built 1990 Load: 32.4 t ADT: 2,650

104TH AV

Good

Over: PRAIRE CREEK

0.7MI N.MAN-MONEE RD, Will, IL

Built 1995 Load: 32.4 t ADT: 75

BRUNS RD

Good

Over: FORKED CREEK

3.1 MI E US-45, Will, IL

Built 1999 Load: 32.4 t ADT: 225

WOLF RD

Good

Over: UNNAMED SWALE

WOLF & LAPORTE, Will, IL

Built 1995 Load: 32.4 t ADT: 10,800

80TH AV

Good

Over: TRIB OF FORKED CREEK

0.8MI S.MAN-MONEE RD, Will, IL

Built 1997 Load: 32.4 t ADT: 350

DRALLE RD

Good

Over: TRIB PRAIRIE CRK

0.8 MI W.US 45, Will, IL

Built 1998 Load: 32.4 t ADT: 75

104TH AV

Good

Over: TRIB TO PRAIRIE CRK

0.1 MI S STUENKEL RD, Will, IL

Built 1998 Load: 32.4 t ADT: 75

80TH AVE

Good

Over: FORKED CREEK

0.75 MI N.MANHATTAN-, Will, IL

Built 1997 Load: 32.4 t ADT: 750

NEW AVE

Good

Over: SMALL STREAM

0.4 M N IL 171, Will, IL

Built 2002 Load: 32.4 t ADT: 5,450

EGYPTION TRAIL RD

Good

Over: TRIB ROCK CREEK

0.3 MI N.PAULINE RD, Will, IL

Built 1984 Load: 32.4 t ADT: 250

RIDGELAND AVENUE

Good

Over: FORKED CREEK

1.2 MI S. COOK CO., Will, IL

Built 1985 Load: 32.4 t ADT: 1,450

HARLEM AVE

Good

Over: FORKED CREEK

1.1 MI N MAN MONEE R, Will, IL

Built 1986 Load: 32.4 t ADT: 2,650

80TH AV

Good

Over: S. BR FORKED CR.

2M SO OF PAULING RD, Will, IL

Built 2002 Load: 32.4 t ADT: 350

US 30

Good

Over: STREAM

0.3 M W OF WOLF, Will, IL

Built 2006 Load: 32.4 t ADT: 27,300

DRALLE RD

Good

Over: BR OF FORKED CREEK

4.5M E.US 45, Will, IL

Built 2009 Load: 32.4 t ADT: 175

DRALLE ROAD

Good

Over: TRIB OF FORKED CREEK

3.9 MILES E. OF US45, Will, IL

Built 2011 Load: 32.4 t ADT: 275

Pauling Road (TR 2

Good

Over: Forked Crek

0.75 M E of US 45, Will, IL

Built 2015 Load: 32.4 t ADT: 325

KLEMME ROAD

Good

Over: KLEMME CREEK

1.6 MI SO EXCHANGE, Will, IL

Built 1984 Load: 32.4 t ADT: 650

BEMES RD

Good

Over: KLEMME CREEK

.25MI W KLEMME RD, Will, IL

Built 2009 Load: 32.4 t ADT: 1,450

OLD POST RD

Good

Over: PLUM CREEK

1 MI N EXCHANGE AV, Will, IL

Built 2004 Load: 32.4 t ADT: 1,500

S ARSENAL RD

Good

Over: TRIB OF JORDAN CK

1.8 MI E OF IL53, Will, IL

Built 2006 Load: 32.4 t ADT: 625

BARR RD

Good

Over: BR OF FORKED CREEK

0.37 MI E CEDAR RD, Will, IL

Built 1994 Load: 32.4 t ADT: 225

WALSH AVE

Good

Over: BR. OF FORKED CREEK

1.0M E OF WILTON CTR, Will, IL

Built 1996 Load: 32.4 t ADT: 50

KENNEDY RD

Good

Over: S BR FORKED CREEK

1.4M E WILTON CENTRD, Will, IL

Built 1996 Load: 32.4 t ADT: 175

CORNING AVENUE

Good

Over: BLACK WALNUT CREEK

0.5 MI E OF IL 50, Will, IL

Built 1985 Load: 32.4 t ADT: 625

EAGLE LAKE RD.

Good

Over: BLACK WALNUT CR.(E)

2.4M.E OF IL 50, Will, IL

Built 1990 Load: 32.4 t ADT: 225

RIDGELAND AVE

Good

Over: BLACK WALNUT CREEK

0.2 M S PEOTONE/BEEC, Will, IL

Built 1990 Load: 32.4 t ADT: 175

EAGLE LAKE RD

Good

Over: BLACK WALNUT CREEK

2.5 MI E IL-50, Will, IL

Built 2004 Load: 32.4 t ADT: 225

ASHLAND AVE.

Good

Over: STREAM

0.4 M N.EAGLE LK RD, Will, IL

Built 1991 Load: 32.4 t ADT: 750

CORNING ROAD

Good

Over: TRIM CREEK TRIB.

0.3 MI W.IL 1, Will, IL

Built 1991 Load: 32.4 t ADT: 250

BORIO DRIVE

Good

Over: WET LANDS

0.39 MI E CH88, Will, IL

Built 2005 Load: 32.4 t ADT: 1,150

Showing 21,701-21,750 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.