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-14

Good

Over: BIG CREEK

1.5 M SW ALTAMONT, Effingham, IL

Built 1977 Load: 59.3 t ADT: 200

TR-269

Good

Over: TR1B BIG MUDDY

2.5 MI E MACEDONIA, Hamilton, IL

Built 1980 Load: 59.3 t ADT: 50

FAP 821 - IL 15

Good

Over: BIG MUDDY RIVER

8.6 MI E WASH CO LN, Jefferson, IL

Built 2007 Load: 59.3 t ADT: 5,350

IL 16

Good

Over: BAUM BRANCH CREEK

0.1 MI E JCT RT. 100, Jersey, IL

Built 2010 Load: 59.3 t ADT: 2,400

TR 468

Good

Over: Honey Creek

0.77 mi S TR 297, Macoupin, IL

Built 2015 Load: 59.3 t ADT: 20

IL 157

Good

Over: SUGAR CREEK

.8 M N EDWARDSVILLE, Madison, IL

Built 2013 Load: 59.3 t ADT: 4,600

US 67

Good

Over: UNNAMED STREAM

3.7M N US67/I72/US36, Morgan, IL

Built 1998 Load: 59.3 t ADT: 5,450

CHARTER OAK ROAD

Good

Over: BIG HOLLOW CRK TRIB

SEC-13-T9NR7E, Peoria, IL

Built 2005 Load: 59.3 t ADT: 9,000

IL 157

Good

Over: BR OF DELAPLAINE CRK

AT WOODLAND SCHOOL, Madison, IL

Built 2002 Load: 59.6 t ADT: 9,850

OR4

Good

Over: Massac Creek

Fort Massac State Park, Massac, IL

Built 2021 Load: 59.6 t ADT: 125

US 67

Good

Over: MILL CREEK

1.2 MI. S. OF IL 94, Rock Island, IL

Built 1993 Load: 59.6 t ADT: 6,700

ILL 78

Good

Over: WALNUT CR TRIB

.75 MI N of W JERSEY, Stark, IL

Built 2021 Load: 59.6 t ADT: 2,350

I 57 NB

Good

Over: CYPRESS CREEK

0.7 MI S ILL 146, Union, IL

Built 1959 Load: 59.6 t ADT: 6,600

I 57 SB

Good

Over: CYPRESS CREEK

0.7 MI S ILL 146, Union, IL

Built 1959 Load: 59.6 t ADT: 6,600

IL 10

Good

Over: DEER CREEK

4.5 M E OF IL 121, Logan, IL

Built 2010 Load: 59.9 t ADT: 1,300

TR 65

Good

Over: E Fork Otter Creek

1 mile NW of Girard, Macoupin, IL

Built 2022 Load: 59.9 t ADT: 75

IL 4

Good

Over: E FORK SILVER CRK

.71 MI N US 40, Madison, IL

Built 2017 Load: 59.9 t ADT: 7,400

CH 5

Good

Over: N FORK LAMOINE RIVER

S.CTR-14-T7NR2W, McDonough, IL

Built 2021 Load: 59.9 t ADT: 50

IL. RT. 9

Good

Over: INTER. STREAM

1.52 MI. E. OF IL122, McLean, IL

Built 2004 Load: 59.9 t ADT: 3,600

OAKLAND AVE FAU 63

Good

Over: BROOKRIDGE CREEK

1.0 MI S 55 & 9, McLean, IL

Built 1993 Load: 59.9 t ADT: 3,600

US 30

Good

Over: HICKORY CREEK

1.3 M E OF US 45, Will, IL

Built 1995 Load: 59.9 t ADT: 21,900

IL 83 (TORRENCE)

Good

Over: NORTH CREEK

2.3 M S I-80,94, Cook, IL

Built 2003 Load: 60.3 t ADT: 13,100

FAP 116 (IL 130)

Good

Over: STREAM

2.75 MI S ALBION, Edwards, IL

Built 2016 Load: 60.3 t ADT: 3,450

I-270 EB & WB

Good

Over: CHAIN OF ROCKS CANAL

2 MI E MISSISSIPPI R, Madison, IL

Built 2014 Load: 60.3 t ADT: 46,200

LAKE ST

Good

Over: ADDISON CREEK

0.2 M E OF US 45, Cook, IL

Built 2011 Load: 60.6 t ADT: 20,100

FAP 323 (US 36)

Good

Over: BEAR CREEK

0.5 MI E OF ATWOOD, Douglas, IL

Built 2008 Load: 60.6 t ADT: 3,550

IL 255 SB

Good

Over: WEST FK WOODRIVER CK

1.2 W FOSTERBURG RD, Madison, IL

Built 2006 Load: 60.6 t ADT: 14,900

TR-155 (Justen Rd)

Good

Over: Trib. Fox River

0.5 MI N WRIGHT RD, McHenry, IL

Built 2018 Load: 60.6 t ADT: 675

BLUFF RD

Good

Over: BR MUD CREEK

4.5 NE FORRESTON, Ogle, IL

Built 2019 Load: 60.6 t ADT: 75

LIMB BRANCH LA

Good

Over: BNSF RR

0.5 MI. W. ILL. 37, Williamson, IL

Built 2019 Load: 60.6 t ADT: 100

ILL 96

Good

Over: BELLEVIEW HOLLOW CRK

BELLEVIEW, Calhoun, IL

Built 1995 Load: 60.9 t ADT: 550

CENTER ST

Good

Over: HARVEY DR CANAL

0.25M S 159th St., Cook, IL

Built 2016 Load: 60.9 t ADT: 2,750

US 24/ IL 78

Good

Over: BIG SISTER CR

1.7 MI SW IL 78 WYE, Fulton, IL

Built 2014 Load: 60.9 t ADT: 3,750

Hillview Eldred Rd

Good

Over: STREAM

4.5 M N JCT 108, Greene, IL

Built 2011 Load: 60.9 t ADT: 400

TR-269

Good

Over: TRIB BIG MUDDY

2 MI E MACEDONIA, Hamilton, IL

Built 1979 Load: 60.9 t ADT: 50

CH 76 Possum Hill

Good

Over: Sherry Creek

2.0 Mi N Carpenter, Madison, IL

Built 2023 Load: 60.9 t ADT: 350

US 45

Good

Over: BEAR CREEK OVERFLOW

2.5 MI S IL 1/US 45, White, IL

Built 2023 Load: 60.9 t ADT: 2,600

CAMPBELL ROAD

Good

Over: HUNGRY RUN CREEK

0.5 M E OF MOATE RD, Winnebago, IL

Built 1984 Load: 60.9 t ADT: 50

IL 29 FAS 1252

Good

Over: DRAINAGE DITCH

EAST EDGE OF DEPUE, Bureau, IL

Built 1991 Load: 61.2 t ADT: 2,450

FAI 55

Good

Over: WOLF CREEK

3.2 MI E OF ILL 23, Livingston, IL

Built 1976 Load: 61.2 t ADT: 22,300

IL 2

Good

Over: LEAF RIVER

3 MI. SW. OF BYRON, Ogle, IL

Built 1995 Load: 61.2 t ADT: 5,950

US 136

Good

Over: KICKAPOO CREEK

1.34 M W OF US 51, McLean, IL

Built 2011 Load: 61.6 t ADT: 3,000

FAS 472 CH 12

Good

Over: BRANCH SIX MI CR.

2.3 MI W HUDSON, McLean, IL

Built 1992 Load: 61.6 t ADT: 825

FAP 776-IL 142

Good

Over: DRAINAGE DITCH

0.1 MI NW JCT US 45, Saline, IL

Built 1963 Load: 61.6 t ADT: 5,550

ENLISTED DRIVE

Good

Over: ASH CREEK

400' WEST OF W. BIRCHARD, Peoria, IL

Built 1980 Load: 61.7 t ADT: 7,500

I-90 WB Jayne Adam

Good

Over: Higgins Creek

1.2 Mi E. Ill Rte 83, Cook, IL

Built 2015 Load: 61.9 t ADT: 160,700

I-90 EB

Good

Over: Higgins Creek

1.2 Mi E. Ill Rte 83, Cook, IL

Built 2015 Load: 61.9 t ADT: 160,700

IL 121 (FAP 773)

Good

Over: BIG MUDDY CREEK

2 MI W OF TOLEDO, Cumberland, IL

Built 2010 Load: 61.9 t ADT: 1,800

I 57 NB

Good

Over: CASEY FORK CREEK

4.5 MI S ILL-15 INT, Jefferson, IL

Built 1966 Load: 61.9 t ADT: 18,750

I 57 SB

Good

Over: CASEY FORK CREEK

4.5 MI S ILL-15 INT, Jefferson, IL

Built 1966 Load: 61.9 t ADT: 18,750

Showing 25,201-25,250 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.