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 168

Good

Over: DRAINAGE DITCH

3 MI S OF LANE, De Witt, IL

Built 1982 Load: 32.4 t ADT: 25

TR 56

Good

Over: SALT CREEK

2 M NE OF KENNY, De Witt, IL

Built 1985 Load: 32.4 t ADT: 75

TR 161

Good

Over: TEN MILE CREEK

2.0 MI W OF CLINTON, De Witt, IL

Built 1981 Load: 32.4 t ADT: 100

TR 152

Good

Over: SALT CREEK

.5 M E WELDON SPRING, De Witt, IL

Built 1984 Load: 32.4 t ADT: 75

TR 27

Good

Over: N FORK SALT CREEK

5 MI N OF DEWITT, De Witt, IL

Built 1985 Load: 32.4 t ADT: 50

TR 203

Good

Over: SALT CREEK

4 MI E OF KENNY, De Witt, IL

Built 1983 Load: 32.4 t ADT: 50

CH 7 (FAS 546)

Good

Over: PLAINS BRANCH CREEK

2 MI N OF KENNEY, De Witt, IL

Built 1980 Load: 32.4 t ADT: 225

TR 1(MACON CO)

Good

Over: DRAINAGE DITCH

5.5 MI S WELDON, De Witt, IL

Built 1981 Load: 32.4 t ADT: 75

TR 138

Good

Over: LONG POINT CREEK

3 MI NE OF WAPELLA, De Witt, IL

Built 1984 Load: 32.4 t ADT: 50

TR 7

Good

Over: STREAM

3 M NE WAYNESVILLE, De Witt, IL

Built 1982 Load: 32.4 t ADT: 25

TR 47

Good

Over: SALT CREEK

1 MI ENE FARMER CITY, De Witt, IL

Built 1982 Load: 32.4 t ADT: 50

TR 268

Good

Over: DRAINAGE DITCH

2 M NNE FARMER CITY, De Witt, IL

Built 1982 Load: 32.4 t ADT: 50

TR 43

Good

Over: STREAM

2 MI N OF WAPELLA, De Witt, IL

Built 1986 Load: 32.4 t ADT: 175

TR 41

Good

Over: STREAM

1 M NE WAYNESVILLE, De Witt, IL

Built 1984 Load: 32.4 t ADT: 25

TR 168

Good

Over: DRAINAGE DITCH

4 MI S OF LANE, De Witt, IL

Built 1986 Load: 32.4 t ADT: 25

TR 27

Good

Over: N FORK SALT CR TRIB

5 MI N OF DEWITT, De Witt, IL

Built 1985 Load: 32.4 t ADT: 50

TR 76

Good

Over: IC RR

4 M SW OF CLINTON, De Witt, IL

Built 1985 Load: 32.4 t ADT: 50

TR 173

Good

Over: TEN MILE CREEK

2.25 MI W OF CLINTON, De Witt, IL

Built 1987 Load: 32.4 t ADT: 50

TR 141 A

Good

Over: TEN MILE CREEK

1 MI N OF CLINTON, De Witt, IL

Built 1990 Load: 32.4 t ADT: 50

TR 9

Good

Over: PRAIRIE CREEK

2.5 MI N WAYNESVILLE, De Witt, IL

Built 1989 Load: 32.4 t ADT: 50

TR 208

Good

Over: FRIENDS CREEK

3 MI WSW OF WELDON, De Witt, IL

Built 1991 Load: 32.4 t ADT: 50

TR 96

Good

Over: SALT CREEK

1.1 MI NE OF KENNY, De Witt, IL

Built 1989 Load: 32.4 t ADT: 75

TR 90

Good

Over: STREAM

3 MI NE OF MAROA, De Witt, IL

Built 1987 Load: 32.4 t ADT: 50

TR 43

Good

Over: BR LONG POINT CREEK

2.5 MI NW OF WAPELLA, De Witt, IL

Built 1989 Load: 32.4 t ADT: 175

TR 231

Good

Over: STREAM

6 MI SSE OF CLINTON, De Witt, IL

Built 1994 Load: 32.4 t ADT: 50

TR 227 A

Good

Over: DRAINAGE DITCH

5.1 MI SE OF CLINTON, De Witt, IL

Built 1990 Load: 32.4 t ADT: 50

TR 45

Good

Over: TRIB SALT FORK CREEK

7.2 MI W FARMER CITY, De Witt, IL

Built 1990 Load: 32.4 t ADT: 50

TR 65

Good

Over: N FORK SALT CREEK

9 MI W FARMER CITY, De Witt, IL

Built 1991 Load: 32.4 t ADT: 75

TR 125

Good

Over: DRAINAGE DITCH

2 MI NE OF CLINTON, De Witt, IL

Built 1993 Load: 32.4 t ADT: 175

TR 125

Good

Over: TEN MILE CREEK

4 MI NE OF CLINTON, De Witt, IL

Built 1993 Load: 32.4 t ADT: 175

TR 93 B

Good

Over: TEN MILE CREEK

2.5 MI SE OF WAPELLA, De Witt, IL

Built 1999 Load: 32.4 t ADT: 50

TR 12

Good

Over: SALT CREEK

1 MI SE OF MIDLAND, De Witt, IL

Built 1993 Load: 32.4 t ADT: 75

TR 155

Good

Over: STREAM

1 MI W OF HALLSVILLE, De Witt, IL

Built 1994 Load: 32.4 t ADT: 10

FAS 547(CH 6)

Good

Over: STREAM

W EDGE WAYNESVILLE, De Witt, IL

Built 1997 Load: 32.4 t ADT: 325

TR 223

Good

Over: NORTH FORK CREEK

4 MI S OF CLINTON, De Witt, IL

Built 1995 Load: 32.4 t ADT: 150

TR 21(1500N)

Good

Over: LONG POINT TRIB

3.5 NNE WAPELLA, De Witt, IL

Built 2002 Load: 32.4 t ADT: 150

TR 21(1500N)

Good

Over: LONG POINT TRIB

3.5 NNE WAPELLA, De Witt, IL

Built 2002 Load: 32.4 t ADT: 150

TR 126

Good

Over: TRIB LONG POINT CR

3 MI NE WAPELLA, De Witt, IL

Built 1998 Load: 32.4 t ADT: 50

TR 87

Good

Over: STREAM

1 MI S FARMER CITY, De Witt, IL

Built 1996 Load: 32.4 t ADT: 75

TR 234

Good

Over: DRAINAGE DITCH

1 MI E OF WELDON, De Witt, IL

Built 1999 Load: 32.4 t ADT: 50

TR 51

Good

Over: DRAINAGE DITCH

1 MI E WAYNESVILLE, De Witt, IL

Built 2000 Load: 32.4 t ADT: 25

TR 1A/LAKE FORK RD

Good

Over: NORTH FORK

6.0 MI S. CLINTON, De Witt, IL

Built 2004 Load: 32.4 t ADT: 175

TR 55

Good

Over: TRIB LONG POINT CREE

2.3 MI NW WAPELLA, De Witt, IL

Built 2002 Load: 32.4 t ADT: 25

TR 82

Good

Over: LONG POINT CREEK

4.3 MILE NW WAPELLA, De Witt, IL

Built 2005 Load: 32.4 t ADT: 50

TR 138

Good

Over: LONG POINT CREEK

3.5 MI NE OF WAPELLA, De Witt, IL

Built 2004 Load: 32.4 t ADT: 50

TR 12

Good

Over: UNNAMED TRIB

2.8 MI NW KENNEY, De Witt, IL

Built 2007 Load: 32.4 t ADT: 75

TR 44

Good

Over: ROCK CREEK

2 MI NE WAYNESVILLE, De Witt, IL

Built 2009 Load: 32.4 t ADT: 25

TR 44

Good

Over: ROCK CREEK

3 MI E WAYNESVILLE, De Witt, IL

Built 2011 Load: 32.4 t ADT: 50

TR 63

Good

Over: Friends Crk Drainage

6.0 MI N CISCO, De Witt, IL

Built 2013 Load: 32.4 t ADT: 25

TR 122

Good

Over: Trib Long Point CR

3 miles N of Wapella, De Witt, IL

Built 2013 Load: 32.4 t ADT: 125

Showing 16,301-16,350 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.