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

FAS 1881

Fair

Over: LITTLE MUDDY OVERFLO

4 MI E OF DUQUOIN, Perry, IL

Built 1993 Load: 32.4 t ADT: 900

CH 17

Fair

Over: LITTLE MUDDY RIVER

0.3 MI W JEFFERSN CO, Perry, IL

Built 1994 Load: 32.4 t ADT: 75

TR 233

Fair

Over: TRIB TO BEAUCOUP CR

1.6 MI E IL 13, Perry, IL

Built 1997 Load: 32.4 t ADT: 200

TR241-SACREDHEART

Fair

Over: WILLIAM CREEK

0.27 MI E TR 182C, Perry, IL

Built 1999 Load: 32.4 t ADT: 175

TR 182C-CUDGETOWN

Fair

Over: WILLIAM CREEK

0.7 MI N OF IL 152, Perry, IL

Built 1999 Load: 32.4 t ADT: 25

TR 67

Fair

Over: WOLF CR

5.0 MI NW P'VILLE, Perry, IL

Built 1993 Load: 32.4 t ADT: 100

TR 71

Fair

Over: LITTLE BEAUCOUP CRK

0.6 MI E OF FAS 1821, Perry, IL

Built 2003 Load: 32.4 t ADT: 100

TR 71

Fair

Over: WHITE WALNUT CREEK

1.9 MI W TAMAROA, Perry, IL

Built 2002 Load: 32.4 t ADT: 100

TR 174 A

Fair

Over: LITTLE BEAUCOUP CRK

0.3 MI W FAS 1821, Perry, IL

Built 2004 Load: 32.4 t ADT: 25

SPRUCE ROAD

Fair

Over: TRIB TO HOG CREEK

4MI NE OF DUQUOIN, Perry, IL

Built 2006 Load: 32.4 t ADT: 25

SASSAFRAS RD

Fair

Over: REESE CREEK TRIB

1.5M E US51 ST JOHNS, Perry, IL

Built 2012 Load: 32.4 t ADT: 75

PINTAIL ROAD

Fair

Over: LITTLE BEAUCOUP CREE

2.0 M SW OF TAMAROA, Perry, IL

Built 2013 Load: 32.4 t ADT: 125

CH 14

Fair

Over: LAKE FORK DRAIN DIT

5.0 MI N ATWOOD, Piatt, IL

Built 1976 Load: 32.4 t ADT: 25

TR 9

Fair

Over: S BRANCH SALT CREEK

1 MI W OF HARRIS, Piatt, IL

Built 1978 Load: 32.4 t ADT: 50

TR 71

Fair

Over: STREAM

3.5 MI SW DELAND, Piatt, IL

Built 1983 Load: 32.4 t ADT: 50

TR 47

Fair

Over: MADDEN CREEK

2.0 MI SE GALESVILLE, Piatt, IL

Built 1983 Load: 32.4 t ADT: 50

TR 178

Fair

Over: CAMP CREEK

2.5 M SE WHITE HEATH, Piatt, IL

Built 1985 Load: 32.4 t ADT: 75

TR 185

Fair

Over: DRAINAGE DITCH

4.5 MI SE MILMINE, Piatt, IL

Built 1980 Load: 32.4 t ADT: 50

TR 55

Fair

Over: GOOSE CREEK

0.5 MI SW DELAND, Piatt, IL

Built 1980 Load: 32.4 t ADT: 50

TR 164

Fair

Over: SANGAMON RIVER

0.5 MI S CO FOR PRES, Piatt, IL

Built 1983 Load: 32.4 t ADT: 75

TR 5

Fair

Over: TRIB SALT CREEK

0.7 MI NE HARRIS, Piatt, IL

Built 1983 Load: 32.4 t ADT: 75

TR 129

Fair

Over: LAKE FORK TRIBUTARY

2.1 MI NW IVESDALE, Piatt, IL

Built 1986 Load: 32.4 t ADT: 25

TR 123

Fair

Over: KANKAKEE DRAIN DITCH

3.0 MI N IVESDALE, Piatt, IL

Built 1984 Load: 32.4 t ADT: 50

TR 72

Fair

Over: GOOSE CREEK

1 MI NW MONTICELLO, Piatt, IL

Built 1990 Load: 32.4 t ADT: 75

TR 26

Fair

Over: GOOSE CREEK

1 MI SW OF DELAND, Piatt, IL

Built 1995 Load: 32.4 t ADT: 25

FAS 538(CH 5)

Fair

Over: GOOSE CREEK DRAIN D

1.8 MI S OF DELAND, Piatt, IL

Built 1992 Load: 32.4 t ADT: 1,100

TR 161

Fair

Over: LAKE FORK DRAIN DIT

2 MI SE OF BEMENT, Piatt, IL

Built 1993 Load: 32.4 t ADT: 50

ILL 100 & 106

Fair

Over: LITTLE BLUE CREEK

W EDGE FLORENCE, Pike, IL

Built 1954 Load: 32.4 t ADT: 1,300

I-72

Fair

Over: BLUE CREEK

0.25 mi W IL 107, Pike, IL

Built 1988 Load: 32.4 t ADT: 8,000

I-72/US 36 WB EX R

Fair

Over: DRAINAGE DITCH

IL 96/HULL INTCHG, Pike, IL

Built 1987 Load: 32.4 t ADT: 125

TR 41

Fair

Over: MIDDLE FORK MCKEE CR

0.25 MI W PERRY, Pike, IL

Built 1977 Load: 32.4 t ADT: 125

TR 7

Fair

Over: MIDDLE FK MCKEE TRIB

3.0 MI N PERRY, Pike, IL

Built 1977 Load: 32.4 t ADT: 25

CH 1

Fair

Over: KISER CREEK TRIBUTAR

E EDGE NEW CANTON, Pike, IL

Built 1977 Load: 32.4 t ADT: 625

TR 130A

Fair

Over: HADLEY CREEK

1.5 MI NE BARRY, Pike, IL

Built 1978 Load: 32.4 t ADT: 50

TR 97A AGG SURF RO

Fair

Over: BEEBEE CREEK

3 MI N 2 MI W BARRY, Pike, IL

Built 1980 Load: 32.4 t ADT: 25

FAS 2601 TOWNSHIP

Fair

Over: FLINT CREEK

1 M E SE GRIGGSVILLE, Pike, IL

Built 1980 Load: 32.4 t ADT: 300

TR 201C AGG SURF R

Fair

Over: BAY CREEK

1.5 MILE SW NEWSALEM, Pike, IL

Built 1980 Load: 32.4 t ADT: 25

TR 298B AGG SURF R

Fair

Over: BRANCH OF BAY CREEK

3.3 MI.N. PITTSFIELD, Pike, IL

Built 1980 Load: 32.4 t ADT: 50

TR 179 AGG SURF RO

Fair

Over: BAY CREEK

0.5 MILE SW NEWSALEM, Pike, IL

Built 1980 Load: 32.4 t ADT: 100

TR 259 AGG SURF RO

Fair

Over: THE SNY

4.5 MI S HULL, Pike, IL

Built 1981 Load: 32.4 t ADT: 50

TR 321 AGG SURF RO

Fair

Over: BAY CREEK

1 MI N 1.1 MI E TIME, Pike, IL

Built 1981 Load: 32.4 t ADT: 25

TR 41 AGG SURF ROA

Fair

Over: BROWER CREEK

3.72 MI W NW PERRY, Pike, IL

Built 1981 Load: 32.4 t ADT: 50

TOWNSHIP ROAD 343

Fair

Over: SIX MILE CREEK

1.25 MI SUMMER HILL, Pike, IL

Built 1981 Load: 32.4 t ADT: 50

TR 340 AGG SURF RO

Fair

Over: BAY CREEK

1.5 M NE PITTSFIELD, Pike, IL

Built 1981 Load: 32.4 t ADT: 50

TR 281

Fair

Over: THE SNY

3 MI. SW NEW CANTON, Pike, IL

Built 1982 Load: 32.4 t ADT: 100

TR 97A

Fair

Over: BRANCH BEEBEE CREEK

4 MI NW BARRY SEC 4, Pike, IL

Built 1981 Load: 32.4 t ADT: 25

TR 274 AGG.SURF.RO

Fair

Over: BAY CREEK

3 MI NW PITTSFIELD, Pike, IL

Built 1982 Load: 32.4 t ADT: 350

TR 133

Fair

Over: CROZIER CREEK

1.5 MI S EL DARA, Pike, IL

Built 1983 Load: 32.4 t ADT: 25

TR 320

Fair

Over: S FORK MCKEE CREEK

2.25 NW GRIGGSVILLE, Pike, IL

Built 1983 Load: 32.4 t ADT: 50

TR 320

Fair

Over: S FORK MCKEE CR TRIB

2.25 NW GRIGGSVILLE, Pike, IL

Built 1983 Load: 32.4 t ADT: 50

Showing 9,251-9,300 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.