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

CH 17, W Frontage

Good

Over: North Br Grant Cr

0.7 M N of Blodgett, Will, IL

Built 2014 Load: 32.4 t ADT: 2,900

Ch 25, Wilm.-Peo.

Good

Over: S Br Frorked Creek

0.5 Mi West of US 45, Will, IL

Built 2014 Load: 32.4 t ADT: 6,000

RIDGE ROAD

Good

Over: MANHATTAN CREEK

0.15 MI N BROWN RD, Will, IL

Built 2012 Load: 32.4 t ADT: 600

OFFNER RD

Good

Over: S BR FORKED CRK

0.04 MI W 80TH AVE, Will, IL

Built 2016 Load: 32.4 t ADT: 250

W. OFFNER ROAD

Good

Over: BLACK WALNUT CREEK

.5 M E Crawford Ave, Will, IL

Built 2012 Load: 32.4 t ADT: 175

RICHTON RD (TR 219

Good

Over: PLUM CREEK

1.4 M E ILL RTE 394, Will, IL

Built 2014 Load: 32.4 t

NEW RIVER ROAD

Good

Over: PRAIRIE CREEK

1 M E. I55(NW WILMGT, Will, IL

Built 1969 Load: 32.4 t ADT: 7,500

GOLFVIEW DRIVE

Good

Over: BR. OF FORKED CREEK

2 MI E. OF US RTE 45, Will, IL

Built 1990 Load: 32.4 t ADT: 125

PRAIRIE GRASS DRIV

Good

Over: DRAINAGE DITCH

1.5 MI E. OF US 45, Will, IL

Built 2005 Load: 32.4 t ADT: 150

PAULING ROAD

Good

Over: BLACK WALNUT CREEK

4.2 MI E OF IL50, Will, IL

Built 1977 Load: 32.4 t ADT: 4,600

CH 62 (BRIGGS ST)

Good

Over: SPRING CREEK

0.5 M N OF US RTE 6, Will, IL

Built 2011 Load: 32.4 t ADT: 7,100

CH 88(WEBER ROAD)

Good

Over: CN RAILROAD

0.2MI S.CATON FARM R, Will, IL

Built 1980 Load: 32.4 t ADT: 21,000

CATON FARM ROAD

Good

Over: DUPAGE RIVER

0.6 MI E.ILL.RT.59, Will, IL

Built 1982 Load: 32.4 t ADT: 22,800

PEOTONE-BEECHER RD

Good

Over: BR OF EXLINE SLOUGH

0.45 MI E OF WESTERN, Will, IL

Built 1989 Load: 32.4 t ADT: 3,650

NAP-PLFD RD

Good

Over: SPRING BROOK

0.2 MI N 95TH ST, Will, IL

Built 1993 Load: 32.4 t ADT: 9,900

SAUK TRAIL

Good

Over: TRIB HICKORY CREEK

APPROX0.5M WOF80THAV, Will, IL

Built 1992 Load: 32.4 t ADT: 2,800

SAUK TRAIL

Good

Over: HICKORY CREEK TRIB A

APPROX0.3MWOFHARLEMA, Will, IL

Built 1992 Load: 32.4 t ADT: 1,700

CENTER ROAD

Good

Over: BR. FORKED CREEK

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

Built 1993 Load: 32.4 t ADT: 3,400

WILMINGTON-PEOTONE

Good

Over: FORKED CREEK

JUST W.COUGAR RD, Will, IL

Built 1993 Load: 32.4 t ADT: 6,050

WILM-PEOTONE RD

Good

Over: BR OF FORKED CREEK

1.6 M E.CEDAR ROAD, Will, IL

Built 1994 Load: 32.4 t ADT: 5,250

WILTON-CENTER RD

Good

Over: FORKED CREEK

1.5 MI. S OF US-52, Will, IL

Built 1994 Load: 32.4 t ADT: 2,400

191ST ST

Good

Over: UNION DITCH

1.8MI E US-45, Will, IL

Built 1998 Load: 32.4 t ADT: 15,500

S CEDAR RD

Good

Over: BRANCH PRAIRIE CREEK

1.6 MI N US-52, Will, IL

Built 1999 Load: 32.4 t ADT: 6,200

S CEDAR RD

Good

Over: PRAIRIE CREEK

1.45 MI N US-52, Will, IL

Built 1999 Load: 32.4 t ADT: 6,200

FRANCIS RD

Good

Over: MARLEY CREEK

1.5M E CEDAR RD, Will, IL

Built 2003 Load: 32.4 t ADT: 13,400

MILLS RD

Good

Over: SUGAR RUN CREEK

0.20 MI E IL-53, Will, IL

Built 2001 Load: 32.4 t ADT: 2,950

JOLIET RD

Good

Over: ROCK CREEK

0.5 MI E I-57, Will, IL

Built 2001 Load: 32.4 t ADT: 950

ELEVATOR RD

Good

Over: FORKED CREEK TRIB

1 MI E US-52, Will, IL

Built 2001 Load: 32.4 t ADT: 1,000

ELEVATOR RD

Good

Over: FORKED CREEK

1.3 MI N US-52, Will, IL

Built 2002 Load: 32.4 t ADT: 1,000

BRIGGS ST

Good

Over: FRACTION RUN CREEK

.8M SO. OF 167TH, Will, IL

Built 2002 Load: 32.4 t ADT: 8,050

MARLEY ROAD

Good

Over: MARLEY CREEK

.1M E US6, Will, IL

Built 2005 Load: 32.4 t ADT: 8,000

GOUGAR RD

Good

Over: HICKORY CREEK

0.16M N of US30, Will, IL

Built 2003 Load: 32.4 t ADT: 11,900

SCHOOLHOUSE RD

Good

Over: HICKORY CREEK

.5M N of US30, Will, IL

Built 2005 Load: 32.4 t ADT: 12,200

CENTER RD

Good

Over: FORKED CREEK

1.9 S MANH-MONEE RD, Will, IL

Built 2005 Load: 32.4 t ADT: 3,100

INDIANA AV

Good

Over: TRIM CREEK

0.7 MI E of Dixie Hw, Will, IL

Built 2012 Load: 32.4 t ADT: 2,900

CEDAR RD

Good

Over: JACKSON CREEK

1.3 MI S LARAWAY RD, Will, IL

Built 2010 Load: 32.4 t ADT: 6,200

ZILM RD

Good

Over: HORSE CREEK

3.3 M S OF IL113, Will, IL

Built 2005 Load: 32.4 t ADT: 1,050

EXCHANGE ST.

Good

Over: PLUM CREEK

.5M E OF IL394, Will, IL

Built 2003 Load: 32.4 t ADT: 15,600

191ST ST

Good

Over: FLOSSMOOR DD

.2M W OF IL43, Will, IL

Built 2005 Load: 32.4 t ADT: 8,000

COUNTY LINE RD

Good

Over: TRIM CRK

1M W OF IL1, Will, IL

Built 2005 Load: 32.4 t ADT: 2,400

COUNTY LINE RD

Good

Over: EXLINE SLOUGH

4.4M W OF IL1, Will, IL

Built 2004 Load: 32.4 t ADT: 2,650

ARSENAL RD

Good

Over: BNSF RR & JACKSON CR

1.3M E OF I55, Will, IL

Built 2005 Load: 32.4 t ADT: 11,000

MANHATTAN ARSENAL

Good

Over: JACKSON CREEK

.9M W OF IL53, Will, IL

Built 2007 Load: 32.4 t ADT: 4,100

MANHATTAN-MONEE RD

Good

Over: FORKED CK. TRIB

3.3 MI E US 45, Will, IL

Built 1988 Load: 32.4 t ADT: 5,500

WESTERN AVE.

Good

Over: DEER CREEK

645 FT N OF EXCHANGE, Will, IL

Built 1982 Load: 32.4 t ADT: 11,500

CH58

Good

Over: BULL CREEK

2.5M. E OF IL RTE 1, Will, IL

Built 2011 Load: 32.4 t ADT: 1,200

WESTERN AVE

Good

Over: DEER CREEK

JUST NO OF EXCHANGE, Will, IL

Built 1982 Load: 32.4 t ADT: 11,500

CH 74 (LARAWAY RD)

Good

Over: W BR HICKORY CREEK

0.7 MI W HARLEM AVE, Will, IL

Built 2016 Load: 32.4 t ADT: 8,500

119 TH STREET

Good

Over: DUPAGE RIVER

1.1 MI E IL 59, Will, IL

Built 1983 Load: 32.4 t ADT: 8,950

135TH STREET

Good

Over: DUPAGE RIVER

0.6 MI E ILL 59, Will, IL

Built 1986 Load: 32.4 t ADT: 8,550

Showing 21,651-21,700 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.