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

OLD MONEE RD

Fair

Over: THORN CREEK

.7MI N EXCHANGE RD, Will, IL

Built 2008 Load: 32.4 t ADT: 1,100

111TH ST

Fair

Over: DUPAGE RIVER

.8M W OF PLNFELD RD, Will, IL

Built 2002 Load: 32.4 t ADT: 18,300

WEBER ROAD

Fair

Over: MINK CREEK

.2M N OF AIRPORT RD, Will, IL

Built 1982 Load: 32.4 t ADT: 31,900

RENWICK RD

Fair

Over: DUPAGE RIVER

1.2M W of IL59, Will, IL

Built 2012 Load: 32.4 t ADT: 9,000

MOUND ROAD

Fair

Over: DUPAGE RIVER

300FT E OF RIVER RD, Will, IL

Built 1978 Load: 32.4 t ADT: 2,000

PATTERSON RD

Fair

Over: QUARRY

0.3M WEST BRANDON RD, Will, IL

Built 2000 Load: 32.4 t ADT: 825

PATTERSON ST

Fair

Over: SUGAR RUN CREEK

0.6 MI NE BRANDON RD, Will, IL

Built 2001 Load: 32.4 t ADT: 1,300

SCHEER ROAD

Fair

Over: STREAM

.9 S LARAWAY RD, Will, IL

Built 1984 Load: 32.4 t ADT: 1,250

SPANGLER RD.

Fair

Over: JACKSON CREEK

0.25 M.W CHERRY HILL, Will, IL

Built 1989 Load: 32.4 t ADT: 200

CHERRY HILL RD.

Fair

Over: PRAIRIE CREEK

0.4M.N.OF HOFF RD., Will, IL

Built 1990 Load: 32.4 t ADT: 150

OFFNER RD.

Fair

Over: FORKEDCREEK

5.0M.S.E.OF MANHATEN, Will, IL

Built 1989 Load: 32.4 t ADT: 200

SCHOOL HOUSE ROAD

Fair

Over: PRAIRIE CREEK

0.8MIS.MANHATTAN-MON, Will, IL

Built 1990 Load: 32.4 t ADT: 75

SCHOOL HOUSE RD

Fair

Over: JACKSON CREEKTRIB

3.5 M S US-30, Will, IL

Built 1996 Load: 32.4 t ADT: 3,650

CHERRY HILL RD

Fair

Over: PRAIRIE CREEK

0.2 M N HOFF RD, Will, IL

Built 1997 Load: 32.4 t ADT: 150

KANKAKEE RD

Fair

Over: TRIB PRAIRIE CREEK

0.1M S MAHATTEN MONE, Will, IL

Built 2002 Load: 32.4 t ADT: 275

PEOTENE RD (88TH A

Fair

Over: FORKED CREEK

1.1 MI S. MAIN-MONEE, Will, IL

Built 2008 Load: 32.4 t ADT: 425

104TH AVE

Fair

Over: FORKED CREEK

0.5 MI S OF GORMAN R, Will, IL

Built 1985 Load: 32.4 t ADT: 75

SCHEER RD.

Fair

Over: PRAIRIE CREEK

02 M SO MANH MON RD, Will, IL

Built 1988 Load: 32.4 t ADT: 50

OLD CHICAGO RD

Fair

Over: RYANS CREEK

N OF IL 102, Will, IL

Built 1995 Load: 32.4 t ADT: 1,550

BRUNS RD

Fair

Over: TRIB FORKED CREEK

2.9 MI E US-45, Will, IL

Built 1999 Load: 32.4 t ADT: 375

NEW AVE

Fair

Over: LONG RUN CREEK

2 M N IL 171, Will, IL

Built 2002 Load: 32.4 t ADT: 5,450

KEDZIE AVE

Fair

Over: BLACK WALNUT CR

0.40 MI S PAULING RD, Will, IL

Built 1982 Load: 32.4 t ADT: 375

OFFNER ROAD

Fair

Over: ROCK CREEK

.3 M E.ILL 50, Will, IL

Built 1984 Load: 32.4 t ADT: 300

OFFNER ROAD TR377

Fair

Over: TRIB. ROCK CREEK

0.5 MI E EGYP. TR RD, Will, IL

Built 1985 Load: 32.4 t ADT: 175

US 30

Fair

Over: HICKORY CR TRIB #2

0.64 M E OF WOLF, Will, IL

Built 2012 Load: 32.4 t ADT: 27,300

BEMES RD

Fair

Over: PLUM CREEK

0.5 MI S IL 394, Will, IL

Built 1982 Load: 32.4 t ADT: 1,150

TR-10 WILL ROAD

Fair

Over: CLAYPOOL DRAIN DITCH

0.7 MI NO IL 113, Will, IL

Built 1981 Load: 32.4 t ADT: 325

EAST KAHLER ROAD

Fair

Over: FORKED CREEK

0.9 MI E IL 102 N, Will, IL

Built 1985 Load: 32.4 t ADT: 400

INDIAN TRAIL ROAD

Fair

Over: JORDAN CREEK

0.2 M SO WILM-PEOTON, Will, IL

Built 1989 Load: 32.4 t ADT: 100

QUIGLEY RD.

Fair

Over: JORDAN CREEK

0.8M E.OLD CHICAGORD, Will, IL

Built 1990 Load: 32.4 t ADT: 50

ALLOTT DRIVE

Fair

Over: JORDAN CREEK

1.7M E IL 53, Will, IL

Built 1995 Load: 32.4 t ADT: 250

BARR ROAD

Fair

Over: TRIB OF JORDAN CREEK

0.4 MI N E KAHLER RD, Will, IL

Built 1998 Load: 32.4 t ADT: 200

WILTON RD.

Fair

Over: STREAM

1.8 MI S US 52, Will, IL

Built 1986 Load: 32.4 t ADT: 50

WILTON RD. (128TH

Fair

Over: S.BR.FORKED CREEK

3.7 MI SO US 52, Will, IL

Built 1990 Load: 32.4 t ADT: 50

GOUGAR ROAD

Fair

Over: FORKED CREEK

0.9 MI S WIL PECT RD, Will, IL

Built 1991 Load: 32.4 t ADT: 20

GOUGAR ROAD

Fair

Over: FORKED CREEK

O.4M S WIL-PEOTO RD, Will, IL

Built 1993 Load: 32.4 t ADT: 75

TR-287 (Barr Rd)

Fair

Over: Forked Creek

0.5M W WILTON CENTRD, Will, IL

Built 1993 Load: 32.4 t ADT: 50

GOUGAR ROAD

Fair

Over: FORKED CREEK

0.2 M S WILM-PEOT RD, Will, IL

Built 1994 Load: 32.4 t ADT: 20

PEOTONE RD

Fair

Over: ROCK CREEK

1 MI W.PEOTONE, Will, IL

Built 1977 Load: 32.4 t ADT: 500

W North Peotone Rd

Fair

Over: ROCK CREEK

1 MI N PEOTONE, Will, IL

Built 1979 Load: 32.4 t ADT: 1,550

CENTER ROAD

Fair

Over: ROCK CREEK

0.6 MI NO. KKK ROAD, Will, IL

Built 1979 Load: 32.4 t ADT: 1,050

EAGLE LAKE RD.

Fair

Over: S.BRANCH FORKED CR.

0.8 MI E CENTER RD., Will, IL

Built 1980 Load: 32.4 t ADT: 100

PEOTONE RD

Fair

Over: S BR FORKED CR

0.2 MI S OFFNER RD, Will, IL

Built 1982 Load: 32.4 t ADT: 500

KENNEDY ROAD

Fair

Over: BLACK WALNUT CRK

.7M E of IL50, Will, IL

Built 1984 Load: 32.4 t ADT: 350

BARR ROAD

Fair

Over: S.BR.OF FORKED CREEK

0.4MI E. OF US45, Will, IL

Built 1985 Load: 32.4 t ADT: 100

KENNEDY RD

Fair

Over: ROCK CREEK

2.3 MI E US 45, Will, IL

Built 1985 Load: 32.4 t ADT: 125

FAS-6859 (Grn Gard

Fair

Over: S Br Forked Creek

1.2N KANKAKEE CO, Will, IL

Built 1992 Load: 32.4 t ADT: 100

KEDZIE AVE

Fair

Over: EXLINE SLOUGH

0.50 MI N KENNEDY RD, Will, IL

Built 1983 Load: 32.4 t ADT: 200

KENNEDY RD

Fair

Over: MARSHALL SLOUGH

2.5M.E.OF IL-50, Will, IL

Built 1988 Load: 32.4 t ADT: 350

EAGLE LAKE RD.

Fair

Over: BLACK WALNUT CR.(W)

1.9 M E OF IL 50, Will, IL

Built 1990 Load: 32.4 t ADT: 225

Showing 10,051-10,100 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.