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

TR 93

Good

Over: YELLOW CREEK

1.5 MI SW WADDAMS GR, Stephenson, IL

Built 2021 Load: 38.9 t ADT: 50

CAMP STREET-FAU671

Good

Over: FARM CREEK

E PEO-ILL8 & 116, Tazewell, IL

Built 1930 Load: 38.9 t ADT: 6,200

FAS 1481-CH 7

Good

Over: DRAINAGE DITCH

SW-35-T24NR6W, Tazewell, IL

Built 2006 Load: 38.9 t ADT: 1,050

JOHNSON DAIRY ROAD

Good

Over: ADDS BRANCH

3.2 MI EAST OF I-57, Union, IL

Built 2022 Load: 38.9 t ADT: 10

HOLL0WAY (FAS 497A

Good

Over: PAINTER CREEK

IN BISMARCK, Vermilion, IL

Built 1994 Load: 38.9 t ADT: 750

FAP 709(US 136)

Good

Over: DRAINAGE DITCH

5 MI W OF POTOMAC, Vermilion, IL

Built 1989 Load: 38.9 t ADT: 1,550

FAS 331(CH 10)

Good

Over: STREAM

1 MI N EAST LYNN, Vermilion, IL

Built 1992 Load: 38.9 t ADT: 250

FAP-332 (ILL-1)

Good

Over: STREAM

.75 MI N ALLENDALE, Wabash, IL

Built 1987 Load: 38.9 t ADT: 1,850

TR 179

Good

Over: SOUTH FORK CREEK

0.25 MI E TR-36, Warren, IL

Built 2020 Load: 38.9 t ADT: 50

US 30

Good

Over: LILY CACHE CREEK

0.5 M NW OF I-55, Will, IL

Built 2005 Load: 38.9 t ADT: 24,000

FAS 1887 (UNMARKED

Good

Over: STREAM E CRABORCHARD

E OF CRABORCHARD, Williamson, IL

Built 2005 Load: 38.9 t ADT: 550

TWP ROAD 601

Good

Over: GRASSY CREEK

4 MI E CREAL SPRINGS, Williamson, IL

Built 1986 Load: 38.9 t ADT: 175

TR 556

Good

Over: LAKE CREEK

1.5 MI NW PITTSBURG, Williamson, IL

Built 1987 Load: 38.9 t ADT: 75

Sumner Rd

Good

Over: Sumner Creek

1.5MI W PECATONICA, Winnebago, IL

Built 2017 Load: 38.9 t ADT: 325

ILL 26

Good

Over: SNAG CREEK OVERFLOW

7.47 MI S OF ILL 17, Woodford, IL

Built 1991 Load: 38.9 t ADT: 2,350

IL 57

Good

Over: GHOST HOLLOW CR

JUST N 12TH ST RD, Adams, IL

Built 1931 Load: 39.2 t ADT: 4,600

IL 143

Good

Over: SHOAL CREEK

5.2 MI E OF MADCO LN, Bond, IL

Built 2018 Load: 39.2 t ADT: 1,850

FAS 1246/CH 24

Good

Over: BRANCH OF POND CREEK

2.0 MI S WYANET, Bureau, IL

Built 2021 Load: 39.2 t ADT: 325

ILL 100

Good

Over: MICHAEL CREEK

IN MICHAEL M.P. 5.3, Calhoun, IL

Built 1996 Load: 39.2 t ADT: 1,350

N OTTER CREEK DR

Good

Over: A BR OF STRADDLE CR

2 MI E OF LANARK, Carroll, IL

Built 2021 Load: 39.2 t ADT: 25

ILL 104

Good

Over: LAKE SANGCHRIS

1 MI W TOVEY, Christian, IL

Built 1965 Load: 39.2 t ADT: 2,700

TR 26

Good

Over: W FORK EMBARRAS RV

0.3 MILE E WESTFIELD, Clark, IL

Built 1909 Load: 39.2 t ADT: 35

TR 137/Mapletree R

Good

Over: Bluegrass Creek

4.5 Mi NE Martinsvil, Clark, IL

Built 2018 Load: 39.2 t ADT: 20

US 50

Good

Over: LAKE BRANCH CREEK

5.5MI E OF TRENTON, Clinton, IL

Built 1973 Load: 39.2 t ADT: 6,850

IL 19

Good

Over: POPLAR CREEK

2.3 M W IL 59, Cook, IL

Built 2000 Load: 39.2 t ADT: 11,000

OAKWOOD BLVD

Good

Over: Metra & CN RR

3900 S & 950 E, Cook, IL

Built 2019 Load: 39.2 t ADT: 6,500

I-94 (EB)

Good

Over: W Fk N Br Chicago Rv

2.5 Mi. W. of US 41, Cook, IL

Built 2019 Load: 39.2 t ADT: 23,000

I-94 (WB)

Good

Over: W Fork N Br Chi Rvr

1.6 Mi. E. of I-294, Cook, IL

Built 2019 Load: 39.2 t ADT: 23,000

US 51 (SB)(FAP 322

Good

Over: COON CREEK

.5 MI S OF CLINTON, De Witt, IL

Built 1986 Load: 39.2 t ADT: 6,950

TR 207

Good

Over: FRIENDS CREEK

1.5 MI ESE WELDON, De Witt, IL

Built 2022 Load: 39.2 t ADT: 75

FAS 1671

Good

Over: DITCH

NORTH OF ARCOLA, Douglas, IL

Built 2015 Load: 39.2 t ADT: 2,400

TR 235

Good

Over: Onion Creek

1.2 Mi W. of Grayvil, Edwards, IL

Built 2017 Load: 39.2 t ADT: 35

TR-30

Good

Over: CORWIN CREEK

2 MI E BEECHER CITY, Effingham, IL

Built 1998 Load: 39.2 t ADT: 200

TR-268

Good

Over: LITTLE SALT CREEK

2 MI E HEARTVILLE, Effingham, IL

Built 1990 Load: 39.2 t ADT: 125

FAS-1710 (CH-24)

Good

Over: BIG CREEK

4 MI N MASON, Effingham, IL

Built 1983 Load: 39.2 t ADT: 125

TR 4

Good

Over: MOCCASIN CREEK

3.5 MI S BEECHER CIT, Effingham, IL

Built 2002 Load: 39.2 t ADT: 125

FAS 711

Good

Over: DISMAL CREEK

4.5 MI N FARINA, Fayette, IL

Built 2020 Load: 39.2 t ADT: 800

IL 14

Good

Over: TRIB TO ANDY CREEK

0.1MI W OF URBAIN RD, Franklin, IL

Built 2008 Load: 39.2 t ADT: 5,250

TR-393

Good

Over: Halltown Creek

SE THOMPSONVILLE, Franklin, IL

Built 1922 Load: 39.2 t ADT: 25

CH 39

Good

Over: SUGAR CREEK

1100N - 1100E, Franklin, IL

Built 1992 Load: 39.2 t ADT: 750

TR 174 TABLER RD

Good

Over: TRIB TO AUX SABLE CR

0.34 MI S MINOOKA RD, Grundy, IL

Built 1986 Load: 39.2 t ADT: 675

TR 225

Good

Over: BEAR CREEK

1.5 SW CARTHAGE, Hancock, IL

Built 1985 Load: 39.2 t ADT: 100

TR 323

Good

Over: PARKER RUN

2.5 MI N NEW WINDSOR, Henry, IL

Built 1962 Load: 39.2 t ADT: 75

US 45

Good

Over: LOUIS CREEK

1.68 MI N OF BUCKLEY, Iroquois, IL

Built 2007 Load: 39.2 t ADT: 1,050

FAS 917

Good

Over: BIG MUDDY RIVER

SW 1/4 SEC 15-9-3, Jackson, IL

Built 1976 Load: 39.2 t ADT: 900

CH 2

Good

Over: TRIB. OF CAMP CREEK

1.2 MI N OF CH 7, Jackson, IL

Built 1980 Load: 39.2 t ADT: 150

TR 30-HUSEMAN RD

Good

Over: TRIB TO BRANCH CREEK

1.6 MI W OF IL 4, Jackson, IL

Built 2005 Load: 39.2 t ADT: 75

TR 295

Good

Over: TRIB N EMBARAS RIVER

1.5 MI E STE MARIE, Jasper, IL

Built 2005 Load: 39.2 t ADT: 75

PUMP STATION RD/CH

Good

Over: OTTER CREEK

0.5 MI W FAS 749, Jersey, IL

Built 1935 Load: 39.2 t ADT: 175

TR 97 (GREENVALE R

Good

Over: TRIB TO YELLOW CRK

3.5 MILES S NORA, Jo Daviess, IL

Built 2021 Load: 39.2 t ADT: 50

Showing 23,201-23,250 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.