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

CROSBY ROAD

Fair

Over: TRIB. ROCK CREEK

.18 MI N OF RICK RD, Whiteside, IL

Built 2003 Load: 32.4 t ADT: 25

CROSBY RD

Fair

Over: TRIB ROCK CREEK

5 MI N. OF MORRISON, Whiteside, IL

Built 2009 Load: 32.4 t ADT: 25

HILL RD

Fair

Over: ROCK CREEK

3 MI NE ERIE, Whiteside, IL

Built 1982 Load: 32.4 t ADT: 25

ROCK ROAD

Fair

Over: BR OF ROCK CREEK

5 M SW OF MORRISON, Whiteside, IL

Built 1985 Load: 32.4 t ADT: 50

WILMOT ROAD

Fair

Over: LYNN CREEK

5 MI SW OF MORRISON, Whiteside, IL

Built 1987 Load: 32.4 t ADT: 50

SAND RD.

Fair

Over: CATTAIL CREEK

2 MI SE OF FULTON, Whiteside, IL

Built 1988 Load: 32.4 t ADT: 25

ACKER RD

Fair

Over: BNSF RR

3 MI E OF FULTON, Whiteside, IL

Built 1997 Load: 32.4 t ADT: 150

PALMER RD

Fair

Over: CEDAR CREEK

.56 MI W ELSTON RD, Whiteside, IL

Built 2008 Load: 32.4 t ADT: 75

CAPP ROAD

Fair

Over: SPRING CREEK

6 MI NW STERLING, Whiteside, IL

Built 1979 Load: 32.4 t ADT: 25

QUINN RD

Fair

Over: SPRING CREEK

5 MI NW OF STERLING, Whiteside, IL

Built 1980 Load: 32.4 t ADT: 50

YORKTOWN ROAD

Fair

Over: BRANCH OF ROCK CREEK

6 MI NE OF MORRISON, Whiteside, IL

Built 1983 Load: 32.4 t ADT: 50

BLUE GOOSE RD

Fair

Over: BRANCH OF ROCK CREEK

7 MI NE OF MORRISON, Whiteside, IL

Built 1986 Load: 32.4 t ADT: 50

MANTON ROAD

Fair

Over: BR LITTLE SPRING CRK

9 MI. NE. MORRISON, Whiteside, IL

Built 1998 Load: 32.4 t ADT: 50

CLARK ROAD

Fair

Over: TRIB. ELKHORN CREEK

2.5 MI NE COLETA, Whiteside, IL

Built 2003 Load: 32.4 t ADT: 100

YORKTOWN RD

Fair

Over: ROCK CREEK TRIB

6MI NE OF MORRISON, Whiteside, IL

Built 2012 Load: 32.4 t ADT: 50

COUNTY LINE ROAD

Fair

Over: GREEN RIVER

2.5 MI E DEER GROVE, Whiteside, IL

Built 1978 Load: 32.4 t ADT: 75

FREEPORT ROAD

Fair

Over: GREEN RIVER

0.5 M E DEER GROVE, Whiteside, IL

Built 1982 Load: 32.4 t ADT: 50

POLO ROAD

Fair

Over: SUGAR CREEK

3 MI N OF STERLING, Whiteside, IL

Built 1975 Load: 32.4 t ADT: 450

BUELL ROAD

Fair

Over: SKUNK CREEK

6 MI N OF STERLING, Whiteside, IL

Built 1980 Load: 32.4 t ADT: 75

FREEPORT ROAD

Fair

Over: BUFFALO CREEK

9 MI N. STERLING, Whiteside, IL

Built 1990 Load: 32.4 t ADT: 75

PENROSE RD

Fair

Over: SKUNK CREEK

6 MI. N. OF STERLING, Whiteside, IL

Built 1997 Load: 32.4 t ADT: 125

JAMES ROAD

Fair

Over: BUFFALO CREEK

9 MI N OF STERLING, Whiteside, IL

Built 1998 Load: 32.4 t ADT: 50

BUNKER HILL ROAD

Fair

Over: FEEDER OF ROCK RIVER

4 MI SE OF MORRISON, Whiteside, IL

Built 1989 Load: 32.4 t ADT: 150

TR-105 Crosby Rd

Fair

Over: Rock Creek

.5M NW MORRISON, Whiteside, IL

Built 2001 Load: 32.4 t ADT: 650

OAK GROVE AVENUE

Fair

Over: UNNAMED CREEK

0.3 M S OF ST MARYS, Whiteside, IL

Built 1982 Load: 32.4 t ADT: 950

MATZNICK ROAD

Fair

Over: COUNTY DITCH NO.1

2 MI. NW TAMPICO, Whiteside, IL

Built 1990 Load: 32.4 t ADT: 125

MASON ROAD

Fair

Over: BR OF ROCK CREEK

3 MI SW MORRISON, Whiteside, IL

Built 1978 Load: 32.4 t ADT: 50

HENRY ROAD

Fair

Over: BRANCH OF ROCK CREEK

1 MI. W. OF MORRISON, Whiteside, IL

Built 1989 Load: 32.4 t ADT: 575

COVELL RD

Fair

Over: OTTER CREEK

8 MI NW OF MORRISON, Whiteside, IL

Built 1980 Load: 32.4 t ADT: 25

BLINK ROAD

Fair

Over: OTTER CREEK

3 MI N.E. OF FULTON, Whiteside, IL

Built 1991 Load: 32.4 t ADT: 100

CREAMERY RD

Fair

Over: TRIB TO SPRING BROOK

4 MI NW OF MORRISON, Whiteside, IL

Built 2011 Load: 32.4 t ADT: 50

HANSEL RD MS 0491

Fair

Over: DRESDEN RUN

.50 MI E MCLINDON RD, Will, IL

Built 1986 Load: 32.4 t ADT: 475

JOHNSON RD

Fair

Over: E. AUX CREEK

1.5 MI. W OF CH22, Will, IL

Built 1992 Load: 32.4 t ADT: 225

IL 126

Fair

Over: DU PAGE RIVER

W OF IL 59, Will, IL

Built 1925 Load: 32.4 t ADT: 21,100

IL 7,53

Fair

Over: ROCK RUN CREEK TRIB

0.72 M N OF IL 7, Will, IL

Built 1984 Load: 32.4 t ADT: 17,200

IL 113

Fair

Over: CLAY POOL CREEK

0.3 M E 0F I-55, Will, IL

Built 1993 Load: 32.4 t ADT: 1,650

CANTON FARM RD

Fair

Over: SUNNYLAND DRAIN

1.4 MI E IL 59, Will, IL

Built 1900 Load: 32.4 t ADT: 9,050

WILL CENTER ROAD

Fair

Over: BLACK WALNUT CREEK

400 SO EAGLE LK RD, Will, IL

Built 1972 Load: 32.4 t ADT: 1,600

BRANDON RD

Fair

Over: DES PLAINES RIVER

1/4 MI S US 6, Will, IL

Built 1972 Load: 32.4 t ADT: 6,200

FAU-357 (Rowell Rd

Fair

Over: Jackson Creek

.6 Mi N Manhattan Rd, Will, IL

Built 2017 Load: 32.4 t ADT: 50

WEBER ROAD

Fair

Over: E BR DUPAGE RIVER

0.2 MI S ROYCE RD., Will, IL

Built 1982 Load: 32.4 t ADT: 24,700

S. Washington Stre

Fair

Over: W.BR.DUPAGE RIVER

0.2 MI NW Naper Blvd, Will, IL

Built 1984 Load: 32.4 t ADT: 16,200

WILL-CENTER RD, CH

Fair

Over: S. BR ROCK CREEK

1.8M S OF BEACHER RD, Will, IL

Built 2012 Load: 32.4 t ADT: 1,150

PEOTONE-BEECHER RD

Fair

Over: BLACK WALNUT CREEK

1.5M.E.OF IL-50, Will, IL

Built 1988 Load: 32.4 t ADT: 2,750

PEOTONE/BEECHER RD

Fair

Over: S.BR.ROCK CREEK

0.8 M E WILTON RD, Will, IL

Built 1990 Load: 32.4 t ADT: 3,200

CEDAR ROAD

Fair

Over: N. BR JACKSON CREEK

0.6MI N LARAWAY RD, Will, IL

Built 1992 Load: 32.4 t ADT: 10,900

WILMINGTON-PEOTNE

Fair

Over: ROCK CREEK

0.5 MI W I-57, Will, IL

Built 1994 Load: 32.4 t ADT: 6,300

CENTER ROAD

Fair

Over: S.BR. FORKED CREEK

0.1 MI N PEOTONE RD, Will, IL

Built 1994 Load: 32.4 t ADT: 2,850

EXCHANGE ST

Fair

Over: KLEMME CREEK

0.3 M W STATE LI RD, Will, IL

Built 1996 Load: 32.4 t ADT: 15,600

US 30 (143rd St)

Fair

Over: WEST NORMAN DRAIN

0.1 M W IL 59, Will, IL

Built 2006 Load: 32.4 t ADT: 10,500

Showing 10,001-10,050 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.