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

W WACKER RD

Poor

Over: BR OF PLUM RIV

4 MI SW MT CARROLL, Carroll, IL

Built 1986 Load: 34.7 t ADT: 150

US 20

Poor

Over: POPLAR CREEK

0.26 M E KANE CO, Cook, IL

Built 1959 Load: 34.7 t ADT: 44,100

CHICAGO AVE

Poor

Over: N BR CHICAGO RIVER

622 W CHGO AVE P5C, Cook, IL

Built 1914 Load: 34.7 t ADT: 19,900

KEDZIE AVE

Poor

Over: SANITARY&SHIP CANAL

3400 S & 3200 W, Cook, IL

Built 1909 Load: 34.7 t ADT: 22,000

I-57 (SB)

Poor

Over: Eastern Illinois RR

.3 MI S NEOGA INT, Cumberland, IL

Built 1964 Load: 34.7 t ADT: 9,450

CHICAGO RD

Poor

Over: LITTLE INDIAN CREEK

4 MI S OF WATERMAN, DeKalb, IL

Built 2003 Load: 34.7 t ADT: 1,000

LEMAN RD - TR 304

Poor

Over: BIG CREEK

SW-8-T5NR3E, Fulton, IL

Built 1975 Load: 34.7 t ADT: 25

TR 90

Poor

Over: FK OF LITTLE BEAR CR

2.0 MI W BASCO, Hancock, IL

Built 1977 Load: 34.7 t ADT: 50

TR 154

Poor

Over: GROVE CREEK

1.5 NW ADRIAN, Hancock, IL

Built 1965 Load: 34.7 t ADT: 150

FAS-819

Poor

Over: CASEY FORK

TEXICO, Jefferson, IL

Built 1974 Load: 34.7 t ADT: 1,350

I C TRAIL

Poor

Over: VIRGIL DRN DITCH #2

.7 M E of IL64, Kane, IL

Built 1974 Load: 34.7 t ADT: 375

IL 120 WB

Poor

Over: DES PLAINES RIVER

2.5 M W OF US 41, Lake, IL

Built 1959 Load: 34.7 t ADT: 30,700

TR 535

Poor

Over: PRAIRE CREEK

N 14TH E 1950, LaSalle, IL

Built 1974 Load: 34.7 t ADT: 275

TR 203

Poor

Over: SPRING CREEK

N 36TH E 150, LaSalle, IL

Built 1977 Load: 34.7 t ADT: 175

FAP-327EB (US-50)

Poor

Over: ALLISON DITCH NO 1

2 MI E AIRPORT INT, Lawrence, IL

Built 1957 Load: 34.7 t ADT: 7,200

FAP-327WB (US-50)

Poor

Over: ALLISON DITCH NO 1

2 MI E AIRPORT INT, Lawrence, IL

Built 1957 Load: 34.7 t ADT: 7,200

TOWN HALL RD (TR23

Poor

Over: BR. GREEN RIVER

3 MI. N. OF US 30, Lee, IL

Built 1993 Load: 34.7 t ADT: 25

TR 229(ZION CHAPEL

Poor

Over: SPRING CREEK

4.25 MI N BLUE MOUND, Macon, IL

Built 1980 Load: 34.7 t ADT: 100

CH 32 LEBANON RD

Poor

Over: SILVER CK

8.0MI E COLLINSVILLE, Madison, IL

Built 1970 Load: 34.7 t ADT: 350

CH-12 (FAS 582)

Poor

Over: CAMP CREEK

2 MI E VERSAILLES, Brown, IL

Built 1997 Load: 35.0 t ADT: 125

TR-41

Poor

Over: LITTLE WABASH RIVER

2 MI W HORD, Clay, IL

Built 1988 Load: 35.0 t ADT: 75

OLD ORCHD TO I-94

Poor

Over: GROUND

EDENS & OLD ORCH, Cook, IL

Built 1982 Load: 35.0 t ADT: 6,200

FAU-2585 Meacham R

Poor

Over: WEST BRANCH OF SALT CREE

0.8 MI S. SCHAUMBURG RD., Cook, IL

Built 1985 Load: 35.0 t ADT: 15,900

JACKSON BLVD

Poor

Over: S BR CHICAGO RIV

375 W & 300 S, Cook, IL

Built 1916 Load: 35.0 t ADT: 2,275

TR 203

Poor

Over: COON CREEK

3 MI SW OF CLINTON, De Witt, IL

Built 1900 Load: 35.0 t ADT: 50

MARBLETOWN RD-TR 2

Poor

Over: TURKEY CREEK

NE-6-T3NR3E, Fulton, IL

Built 1976 Load: 35.0 t ADT: 50

US 6

Poor

Over: AUX SABLE CR

4.9 M E OF ILL 47, Grundy, IL

Built 1969 Load: 35.0 t ADT: 7,050

FAS-292 Gardner Ro

Poor

Over: W Fork Mazon River

0.05M E Dwight Road, Grundy, IL

Built 1982 Load: 35.0 t ADT: 1,000

TR 7(DUROC RD)

Poor

Over: STREAM

2.5 MI NW ARGENTA, Macon, IL

Built 1982 Load: 35.0 t ADT: 20

TR 85 (TH-C69)

Poor

Over: SENACHWINE CREEK

T12N-R9E-4PM SEC 29, Marshall, IL

Built 1977 Load: 35.0 t ADT: 50

TWP RD 58

Poor

Over: BEAR CK

3 MI EAST MERMET, Massac, IL

Built 1977 Load: 35.0 t ADT: 100

BROWN ST FAU 6387

Poor

Over: BNSD OUTFALL SEWER

0.7 MI ESE 74 & 150, McLean, IL

Built 1925 Load: 35.0 t ADT: 3,150

ILL 154

Poor

Over: PLUM CREEK

3.6 MI W OF SPARTA, Randolph, IL

Built 1972 Load: 35.0 t ADT: 2,900

US 150 & ILL 116

Poor

Over: IL RIVER TRIBUTARY

.1M S JCT US 150&116, Tazewell, IL

Built 1964 Load: 35.0 t ADT: 20,400

TR-348

Poor

Over: WABASH LEVEE DRAIN D

2 MI SW MAUNIE, White, IL

Built 1992 Load: 35.0 t ADT: 25

LISTER ROAD

Poor

Over: BR. OF ROCK CREEK

1 MI. S.W. MORRISON, Whiteside, IL

Built 1991 Load: 35.0 t ADT: 225

ILL 70

Poor

Over: TRIB. OF PECATONICA

.5 MI W CEMETERY RD, Winnebago, IL

Built 1982 Load: 35.0 t ADT: 3,500

I- 94 BISHOP FORD

Poor

Over: RR - IHB & CSXT

1 M N IL 83, Cook, IL

Built 1949 Load: 35.3 t ADT: 166,900

127TH ST

Poor

Over: CAL SAG CHANNEL

0.2 M E IL 83, Cook, IL

Built 1968 Load: 35.3 t ADT: 19,100

JOE ORR RD

Poor

Over: THORN CREEK

0.5 M E IL 1, Cook, IL

Built 1958 Load: 35.3 t ADT: 17,500

WASHINGTON STREET

Poor

Over: UNION STATION TRACKS

100N 430W TO 500W, Cook, IL

Built 1913 Load: 35.3 t ADT: 9,600

ILL 154

Poor

Over: REND LAKE

0.9 MI W I-57, Franklin, IL

Built 1966 Load: 35.3 t ADT: 2,650

I 64 EB

Poor

Over: CNIC RR

.5 MI E BELL RIVE IN, Jefferson, IL

Built 1974 Load: 35.3 t ADT: 5,850

FAI-57 SB

Poor

Over: Norfolk & So. RR / Ditch

0.9 MI N ILL 17, Kankakee, IL

Built 1954 Load: 35.3 t ADT: 14,450

GREEN BAY RD.

Poor

Over: U.P.R.R.

0.6M.S.OF IL-176, Lake, IL

Built 1988 Load: 35.3 t ADT: 8,500

ILL 145

Poor

Over: HAYES CREEK

1.9 MI E GLENDALE, Pope, IL

Built 1947 Load: 35.3 t ADT: 1,200

ILL 37

Poor

Over: CACHE RIVER

AT JOHNSON CO LINE, Pulaski, IL

Built 1957 Load: 35.3 t ADT: 1,350

MELL0TS RD

Poor

Over: DEER CREEK

6.5 MI SE MORRISON, Whiteside, IL

Built 1980 Load: 35.3 t ADT: 50

CH 15(FAS 512)

Poor

Over: BRANCH OF SALT FORK

SIDNEY, Champaign, IL

Built 1982 Load: 35.6 t ADT: 1,950

TR 266

Poor

Over: POLECAT CREEK

2 MI SW ASHMORE, Coles, IL

Built 1981 Load: 35.6 t ADT: 75

Showing 27,351-27,400 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.