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-129

Fair

Over: EMBARRAS RIVER

3 MI E PETROLIA, Lawrence, IL

Built 1960 Load: 25.9 t ADT: 50

CH 8 STEWARD RD

Fair

Over: GREEN RV DRAINAGE DI

3.0 MI S OF STEWARD, Lee, IL

Built 1964 Load: 25.9 t ADT: 150

WHITE OAKS LANE

Fair

Over: HAUL RD, CEMENT PLNT

2.25MI N. OF IL 2, Lee, IL

Built 2002 Load: 25.9 t ADT: 800

THORPE RD

Fair

Over: TRIB BEECH CR

0.3 MI S OGLE CO L, Lee, IL

Built 1901 Load: 25.9 t ADT: 50

TR 17

Fair

Over: DITCH MURRAY SLUICE

2025 E, 3100 N, Livingston, IL

Built 1933 Load: 25.9 t ADT: 50

TR 121

Fair

Over: DRAINAGE DITCH

1915 E, 1900 N, Livingston, IL

Built 1948 Load: 25.9 t ADT: 25

TR 124

Fair

Over: WOLF CREEK

2125 N, 1575 E, Livingston, IL

Built 1925 Load: 25.9 t ADT: 25

TR 210A

Fair

Over: CREEK

3235 N, 2300 E, Livingston, IL

Built 1965 Load: 25.9 t ADT: 150

CH 63E

Fair

Over: SALT CK TRIB

6 MI W BROADWELL, Logan, IL

Built 1938 Load: 25.9 t ADT: 50

CH 63E

Fair

Over: SALT CK TRIB

4 MI W BROADWELL, Logan, IL

Built 1938 Load: 25.9 t ADT: 50

ILL 16

Fair

Over: PIASA CREEK

0.2 M W PIASA, Macoupin, IL

Built 1931 Load: 25.9 t ADT: 2,400

TR 105

Fair

Over: HORSE CRK

3 MI SE GIRARD, Macoupin, IL

Built 1915 Load: 25.9 t ADT: 50

FAI 270

Fair

Over: MISSISSIPPI RIVER

N. OF GRANITE CITY, Madison, IL

Built 1966 Load: 25.9 t ADT: 46,200

SPANGLER RD/CITY S

Fair

Over: TRIB TO SILVER CK

N EDGE LIVINGSTON, Madison, IL

Built 1973 Load: 25.9 t ADT: 100

TR-51

Fair

Over: SKILLET CREEK

6.5 MI E KINMUNDY, Marion, IL

Built 1909 Load: 25.9 t ADT: 50

TR-336

Fair

Over: BRUBAKER CREEK

2.5 MI E SALEM, Marion, IL

Built 1909 Load: 25.9 t ADT: 25

TR-466

Fair

Over: BRANCH

1 MI SE FARINA, Marion, IL

Built 1978 Load: 25.9 t ADT: 100

UNIONVILLE ROAD

Fair

Over: DAVIS BAYOU

.56 MI E US45, Massac, IL

Built 1970 Load: 25.9 t ADT: 1,700

TR 27A

Fair

Over: BUCK CREEK

2.5 MI SSE GRIDLEY, McLean, IL

Built 1973 Load: 25.9 t ADT: 25

TR 548

Fair

Over: HENLINE DITCH

2.5 MI NE COLFAX, McLean, IL

Built 1964 Load: 25.9 t ADT: 75

CAROLINE ST

Fair

Over: BNSD OUTFALL SEWER

0.5 MI ESE 74 & 150, McLean, IL

Built 1925 Load: 25.9 t ADT: 2,100

NOKOMIS BLACKTOP

Fair

Over: BLUE GRASS CREEK

3M E IL 127, Montgomery, IL

Built 1938 Load: 25.9 t ADT: 900

TR 271

Fair

Over: W FK SHOAL CK

4.4 M W HILLSBORO, Montgomery, IL

Built 1969 Load: 25.9 t ADT: 550

IL 111

Fair

Over: APPLE CREEK

2.13M S IL 104, Morgan, IL

Built 1931 Load: 25.9 t ADT: 1,700

EDGEWOOD ROAD

Fair

Over: SEVEN MILE BRANCH

2 MI N WOOSUNG, Ogle, IL

Built 1973 Load: 25.9 t ADT: 150

PARK ROAD

Fair

Over: DRY RUN CR

BRADLEY PARK, Peoria, IL

Built 1950 Load: 25.9 t ADT: 125

TR 42

Fair

Over: WILDCAT CREEK

3.0 MI SW MONTICELLO, Piatt, IL

Built 1975 Load: 25.9 t ADT: 225

TR 319

Fair

Over: FORK OF 6 MILE CREEK

3.0 MI SW PITTSFIELD, Pike, IL

Built 1966 Load: 25.9 t ADT: 25

TR-158

Fair

Over: BIG CREEK

2 MI S OLNEY, Richland, IL

Built 1909 Load: 25.9 t ADT: 300

TR 72 (11W)

Fair

Over: SPRING CREEK

2.0 NE BERLIN, Sangamon, IL

Built 1972 Load: 25.9 t ADT: 75

MATHERS RD

Fair

Over: LICK CK

2.5 MI E CURRAN, Sangamon, IL

Built 1978 Load: 25.9 t ADT: 2,600

FAS 1650(TR 266A)

Fair

Over: LITHIA SPRINGS CREEK

4.3 MI NE SHELBYVLE, Shelby, IL

Built 1969 Load: 25.9 t ADT: 800

ILL 15

Fair

Over: DRUM HILL BRANCH

1.5 M W FAYETTEVILLE, St. Clair, IL

Built 1928 Load: 25.9 t ADT: 2,200

32ND ST - E.ST LOU

Fair

Over: SCHOENBERGER CREEK

0.06 N OF PARK DR, St. Clair, IL

Built 1935 Load: 25.9 t ADT: 10

36TH ST E ST LOUIS

Fair

Over: SCHOENBERGER CREEK

0.01, St. Clair, IL

Built 1935 Load: 25.9 t ADT: 10

W. SABIN CHURCH RD

Fair

Over: BOONE BR. LOST CREEK

2.5 MI. E. IL. RT 73, Stephenson, IL

Built 1967 Load: 25.9 t ADT: 300

TULLAMORE RD-TR 21

Fair

Over: STREAM

E.CTR-24-T23NR4W, Tazewell, IL

Built 1900 Load: 25.9 t ADT: 100

GROVE RD - TR 284A

Fair

Over: STREAM

N.CTR-20-T22NR2W, Tazewell, IL

Built 1927 Load: 25.9 t ADT: 75

TR-486

Fair

Over: BAILEY CREEK

5.5 MI E GEFF, Wayne, IL

Built 1909 Load: 25.9 t ADT: 25

LAKE ROAD

Fair

Over: BR. ROCK CREEK

3 MI N.NE. MORRISON, Whiteside, IL

Built 1963 Load: 25.9 t ADT: 50

127TH STREET

Fair

Over: DUPAGE RIV

0.2 MI W N'VILLE RD, Will, IL

Built 1974 Load: 25.9 t ADT: 7,000

KANK'EE RD

Fair

Over: PRAIRIE CREEK

GALLAGER & KANKEE RD, Will, IL

Built 1925 Load: 25.9 t ADT: 275

HARRISON AVE

Fair

Over: MADIGAN CREEK

.2 MI E PERRYVIL RD, Winnebago, IL

Built 1963 Load: 25.9 t ADT: 16,200

VANDIVER RD

Fair

Over: MADIGAN CREEK

.2 MI E PERRYVIL RD, Winnebago, IL

Built 1950 Load: 25.9 t ADT: 225

BEST RD

Fair

Over: N BR OTTER CREEK

AT YALE BRIDGE ROAD, Winnebago, IL

Built 1955 Load: 25.9 t ADT: 800

MURPHY ROAD - TR 2

Fair

Over: UNNAMED STREAM

1.5 M SE OF SEWARD, Winnebago, IL

Built 1953 Load: 25.9 t ADT: 50

FOREST HILLS ROAD

Fair

Over: PEBBLE CREEK

0.1 M N RIVERSIDE, Winnebago, IL

Built 1972 Load: 25.9 t ADT: 11,200

TR 387 13 S

Fair

Over: JOHNS CREEK

4.0 S OF LOAMI, Sangamon, IL

Built 1970 Load: 26.1 t ADT: 50

TR 157

Fair

Over: CREEK

2.5 MI N COATSBURG, Adams, IL

Built 1905 Load: 26.2 t ADT: 125

TR 0418

Fair

Over: BEAR CREEK

2.0 MI SW GOLDEN, Adams, IL

Built 1978 Load: 26.2 t ADT: 25

Showing 6,001-6,050 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.