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

LIEVAN RD

Poor

Over: 3 MI BRANCH

2 MI SW OF DIXON, Lee, IL

Built 1986 Load: 38.9 t ADT: 10

TR 109 A

Poor

Over: Trib Long Pt Slough

.5 MI E OF NIANTIC, Macon, IL

Built 2001 Load: 38.9 t ADT: 75

FAU 8494 EAST ST

Poor

Over: BALTIMORE & OHIO RR

OLNEY, Richland, IL

Built 1981 Load: 38.9 t ADT: 3,050

TR-548

Poor

Over: POND CREEK DR DITCH

3 MI SW GOLDEN GATE, Wayne, IL

Built 1995 Load: 38.9 t ADT: 50

IL 70

Poor

Over: TRIB. OF PECATONICA

.6 MI W CEMETERY RD, Winnebago, IL

Built 1982 Load: 38.9 t ADT: 3,500

ILL 70

Poor

Over: TRIB. OF PECATONICA

.1 MI W CEMETERY RD, Winnebago, IL

Built 1982 Load: 38.9 t ADT: 2,950

CH 12

Poor

Over: BUREAU CREEK

6.0 M NE OF PRINCTON, Bureau, IL

Built 1977 Load: 39.2 t ADT: 75

FAS-2789 (CH-18)

Poor

Over: ICG RR

4 MI NW XENIA, Clay, IL

Built 1986 Load: 39.2 t ADT: 150

I- 94 NB BISHOP FO

Poor

Over: LITTLE CAL RIVER

1.3 M N IL 83, Cook, IL

Built 1949 Load: 39.2 t ADT: 83,450

KINSMAN ROAD

Poor

Over: WAUPECON CREEK

0.1 MI N BURKHART RD, Grundy, IL

Built 1948 Load: 39.2 t ADT: 300

CH 14 SHERRY CREEK

Poor

Over: SHERRY CREEK

2.9MI WEST OF WORDEN, Madison, IL

Built 1984 Load: 39.2 t ADT: 100

I-72 (EB)

Poor

Over: Norfolk Southern Railway

N OF MONTICELLO, Piatt, IL

Built 1975 Load: 39.2 t ADT: 5,450

I-72 (WB)

Poor

Over: Norfolk Southern Railway

N OF MONTICELLO, Piatt, IL

Built 1975 Load: 39.2 t ADT: 5,450

TR 160

Poor

Over: SANDY CREEK/TR 18

6 MI ESE WINCHESTER, Scott, IL

Built 1986 Load: 39.2 t ADT: 75

IL 8/ IL 116

Poor

Over: Tazewell & Peoria RR

CEDAR ST EXTENSION, Tazewell, IL

Built 1966 Load: 39.2 t ADT: 11,800

TR 158

Poor

Over: TRIB. LITTLE SWAN CR

SE-24-T8NR2W, Warren, IL

Built 1992 Load: 39.2 t ADT: 50

I- 80 EB

Poor

Over: JOLIET JNCT PED/BIKE

1 M W IL 7, Will, IL

Built 1964 Load: 39.2 t ADT: 19,350

I- 80 WB

Poor

Over: JOLIET JNCT PED/BIKE

1 M W OF IL 7, Will, IL

Built 1964 Load: 39.2 t ADT: 19,350

FAS-355 (CH-16)

Poor

Over: Prairie Creek

2855N, 300E, Livingston, IL

Built 1993 Load: 39.5 t ADT: 575

WAYNESVILLE ROAD

Poor

Over: KICKAPOO CREEK

1.5 S 3 MI E ATLANTA, Logan, IL

Built 1980 Load: 39.5 t ADT: 325

US 45

Poor

Over: OVFW NF SALINE RIV

0.5 MI N TEXAS CITY, Saline, IL

Built 1953 Load: 39.5 t ADT: 3,750

TR 298A

Poor

Over: RAYHILL SLOUGH

1M N ILL 177, St. Clair, IL

Built 1956 Load: 39.5 t ADT: 175

TR-239

Poor

Over: Br of Elkhorn Creek

3.0M NW Oakdale, Washington, IL

Built 1915 Load: 39.5 t ADT: 25

HILLSIDE RD

Poor

Over: OTTER CREEK

7 MI NW OF MORRISON, Whiteside, IL

Built 1986 Load: 39.5 t ADT: 100

TR 301

Poor

Over: HACKETT BRANCH

0.7 MI SE PESOTUM, Champaign, IL

Built 1966 Load: 39.9 t ADT: 775

CH 1

Poor

Over: BIG CREEK

NE-8-T5NR3E, Fulton, IL

Built 2004 Load: 39.9 t ADT: 100

TR-59 (Mermet Road

Poor

Over: SIELBECK DITCH

6.3MI NW METROPOLIS, Massac, IL

Built 2018 Load: 39.9 t ADT: 175

ILL 9

Poor

Over: DROWNING FORK

2 MI W OF ILL 41, McDonough, IL

Built 1960 Load: 39.9 t ADT: 1,850

CEMETERY ROAD-TR

Poor

Over: BR OF WALNUT CREEK

S.CTR-14-T10NR5E, Peoria, IL

Built 1982 Load: 39.9 t ADT: 10

PARKER RD.

Poor

Over: LONG RUN CREEK

0.5 MI N W 143rd St., Will, IL

Built 1988 Load: 39.9 t ADT: 4,350

US 12,20,45 NB

Poor

Over: S&S & IM CNLS&ICG RR

0.9 M S I-55, Cook, IL

Built 1976 Load: 40.2 t ADT: 77,700

FAU-2652 S Villa A

Poor

Over: Sugar Creek

0.8 N IL-38/0.4 W 83, DuPage, IL

Built 1968 Load: 40.2 t ADT: 4,000

HOYLE ROAD

Poor

Over: 3 MILE BRANCH

1.3 M S R.I. ROAD, Lee, IL

Built 1982 Load: 40.2 t ADT: 100

I-55 BUSN LOOP

Poor

Over: Norfolk Southern Railway

0.49 MI E OF US 51, McLean, IL

Built 1940 Load: 40.2 t ADT: 25,000

PARKER RD

Poor

Over: SPRING CREEK

0.4 M S 167TH ST, Will, IL

Built 1994 Load: 40.2 t ADT: 3,600

ILL 97

Poor

Over: BIG CREEK

4 MI S OF CUBA, Fulton, IL

Built 1928 Load: 40.5 t ADT: 1,450

FAS 1600

Poor

Over: RAILROAD CREEK

IN HAMILTON, Hancock, IL

Built 1960 Load: 40.5 t ADT: 2,300

Coal Street

Poor

Over: Coal run Creek

0.5 Mi S. of Ill. 18, LaSalle, IL

Built 1984 Load: 40.5 t ADT: 125

TR 41

Poor

Over: CAMP CREEK

SW-19-T15NR3W, Mercer, IL

Built 1979 Load: 40.5 t ADT: 25

ILL 155

Poor

Over: PRAIRIE DU ROCHER CR

NEAR WCL P DU ROCHER, Randolph, IL

Built 1990 Load: 40.5 t ADT: 100

TR 86

Poor

Over: LAMOINE RIVER

1.0 MI W.BROOKLIN, Schuyler, IL

Built 1983 Load: 40.5 t ADT: 50

TR 244

Poor

Over: FLAT BRANCH

2.5MI SE STONINGTON, Christian, IL

Built 1987 Load: 40.8 t ADT: 50

TR 56

Poor

Over: TEN MILE CREEK

2.2 MI NE OF KENNY, De Witt, IL

Built 1986 Load: 40.8 t ADT: 75

FAP-821 (ILL-15)

Poor

Over: BIG MUDDY OVERFLOW

9 MI E WASH CO LN, Jefferson, IL

Built 1923 Load: 40.8 t ADT: 5,350

US 20

Poor

Over: RUSH CREEK

.76 MI E LOGEMANN RD, Jo Daviess, IL

Built 1971 Load: 40.8 t ADT: 3,800

FAP-332 (ILL-1)

Poor

Over: FRENCH CREEK

2 MI S GRAYVILLE, White, IL

Built 1923 Load: 40.8 t ADT: 3,550

IL 40 FAP 646

Poor

Over: BN RR

SOUTH EDGE OF BUDA, Bureau, IL

Built 1982 Load: 41.1 t ADT: 1,100

FOSTER AVE

Poor

Over: N BR CHI RIV EAST

0.2 M E PULASKI RD, Cook, IL

Built 1933 Load: 41.1 t ADT: 19,100

OHIO ST FEEDER W A

Poor

Over: RR - UP,TRIB PARKING

0.5 M E I-94, Cook, IL

Built 1956 Load: 41.1 t ADT: 80,400

CRAWFORD AVE

Poor

Over: MIDLOTHIAN CR

0.25 M S ILL 83 P3, Cook, IL

Built 1979 Load: 41.1 t ADT: 16,800

Showing 27,551-27,600 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.