Cook County, IL

2,185 public highway bridges

Cook County Bridge Snapshot

Cook County, Illinois contains 2,185 public highway bridges in the FHWA National Bridge Inventory. Roughly 13.1% are rated “Good,” 22.7% “Fair,” 6.6% “Poor,” and 6.6% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in IL are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

2,185

Total Bridges

13.1%

Good

6.6%

Poor

6.6%

Structurally Deficient

Condition Distribution

Good

13.1% (286)

Fair

22.7% (496)

Poor

6.6% (144)

SD

6.6% (144)

All Bridges (2,185)

Sort:

I- 80,94 KINGERY

Over: BURNHAM AVE

2.3 M E IL 394, Cook, IL

Built 2004 ADT: 9,500

I- 80,94 KINGERY

Over: BIKEWAY AVE (RR AVE)

1.8 M E IL 394, Cook, IL

Built 2004 ADT: 3,350

IL 83 (TORRENCE)

Over: I- 80,94 KINGERY

1.2 M E IL 394, Cook, IL

Built 2005 ADT: 142,800

I- 94 SB TO I-80 E

Over: I- 80 WB

0.9 M W OF IL-83, Cook, IL

Built 2004 ADT: 132,100

IL 394 NB

Over: I- 80 KINGERY

I-80 & 94 INTERCH, Cook, IL

Built 2006 ADT: 132,100

IL 394 SB

Over: I- 80 KINGERY

1.6 M S OF US 6, Cook, IL

Built 2006 ADT: 165,600

THORNTON-LANSING R

Over: IL 394

.5 MI S. I80/294, Cook, IL

Built 2005 ADT: 89,200

IL 394 NB

Over: I- 94 EB & THORN CR

ILL 394 I80/294 INT., Cook, IL

Built 2005 ADT: 73,500

170TH ST

Over: I- 94 BISHOP FORD

1 M S OF US 6, Cook, IL

Built 2004 ADT: 73,500

I- 94 WB TO IL 394

Over: I- 80,94

RAMP WB TO SB, Cook, IL

Built 2006 ADT: 165,600

I- 80,294 EB TO NB

Over: I- 80,94 & IL 394

I-80 & 94 INTERCH, Cook, IL

Built 2006 ADT: 89,200

PALATINE RD

Over: IL 83 (ELMHURST RD)

0.5 M S IL 68, Cook, IL

Built 2005 ADT: 14,900

US 12,45 MANNHEIM

Over: RR - METRA, CP, RDS

2.0 M S IL 19, Cook, IL

Built 2010 ADT: 4,900

RR - CN

Over: US 6 (159TH ST)

0.58 M W IL 1, Cook, IL

Built 2010 ADT: 34,100

RR - CN (ACCESS RD

Over: US 6 (159TH ST)

0.56 M W IL 1, Cook, IL

Built 2010 ADT: 34,100

RR - CN (ACCESS RD

Over: US 6 (159TH ST)

0.53 M W OF IL 1, Cook, IL

Built 2010 ADT: 34,100

RR - CN

Over: US 6 (159TH ST)

0.49 M W IL 1, Cook, IL

Built 2010 ADT: 34,100

SOO RR

Over: US-20 (LAKE ST)

.9M E OF BRRNGTN RD, Cook, IL

Built 2002 ADT: 39,200

I- 90 WB SKYWAY

Over: I- 90,94 NB RYAN

DAN RYAN & SKYWAY, Cook, IL

Built 2004 ADT: 301,400

I- 90 EB SKYWAY

Over: I- 94 DAN RYAN

AT 65TH, Cook, IL

Built 2004 ADT: 301,400

IL 7

Over: US 45 (LA GRANGE RD)

3.9 M SE OF IL 83, Cook, IL

Built 2007 ADT: 35,700

76TH ST

Over: I- 94 DAN RYAN

2.4 M N US 12, Cook, IL

Built 2005 ADT: 252,900

I- 57 NB

Over: I- 94 WB RAMP I-57

0.09 M E OF IL 1, Cook, IL

Built 2007 ADT: 25,400

CERMAK RD (22ND ST

Over: I-294 TRI STATE

2 M N OF US 34, Cook, IL

Built 2005 ADT: 134,500

IL 68 (DUNDEE RD)

Over: US 14 (NW HWY)

3 M W OF IL 53, Cook, IL

Built 2008 ADT: 21,300

N&W RR

Over: 80TH AVE

AT 120TH P19, Cook, IL

Built 1900 ADT: 6,100

CN&W RR

Over: HOWARD ST

CLARK&HOWARD P1C,6, Cook, IL

Built 1900 ADT: 15,800

CTA

Over: HOWARD ST

0.25 M E CLARK, Cook, IL

Built 1900 ADT: 15,800

RR

Over: CRAWFORD AVE

0.25 M S CERMAK P4C, Cook, IL

Built 1900 ADT: 14,800

IC RR

Over: MAIN ST

0.61 M S US 30 P21, Cook, IL

Built 1900 ADT: 2,700

NS RR

Over: ASHLAND AVE

N 59TH ST P7C, Cook, IL

Built 1900 ADT: 19,900

WABASH RR

Over: ASHLAND AVE

S 74TH ST P7C, Cook, IL

Built 1900 ADT: 15,400

CRI&P RR

Over: MLKING DR

AT 92ND ST, Cook, IL

Built 1900 ADT: 8,200

C&NW RR

Over: TECHNY RD

0.5 M W ILL 43 P14, Cook, IL

Built 1900 ADT: 7,500

IC RR

Over: 138TH ST

P4,24, Cook, IL

Built 1954 ADT: 9,550

RR

Over: 171ST ST

0.75 M E WESTERN P2, Cook, IL

Built 1900 ADT: 10,800

RR

Over: 171ST ST

0.8 M E WESTERN P2, Cook, IL

Built 1900 ADT: 10,800

RR

Over: 171ST ST

0.85 M E WESTERN P2, Cook, IL

Built 1900 ADT: 10,800

RR

Over: 171ST ST

0.9 M E WESTERN P2, Cook, IL

Built 1900 ADT: 10,800

IC RR

Over: FLOSSMORE RD

0.25 M W WESTERN P2, Cook, IL

Built 1900 ADT: 7,700

IC RR

Over: VOLLMER RD

0.5 M W WSTERN P2, Cook, IL

Built 1951 ADT: 19,200

CC RR

Over: GARDNER RD

0.15 S ROOSEVELT P2, Cook, IL

Built 1900 ADT: 1,850

W.C. RR

Over: WASHINGTON BLVD

P20, Cook, IL

Built 1956 ADT: 5,700

C&NW RAILROAD

Over: EAST LAKE AVENUE

0.2 MI E PFINGSTEN, Cook, IL

Built 1978 ADT: 22,600

I.C.G. RR MAIN LIN

Over: SAUK TRAIL

1.2 MI E CICERO AVE, Cook, IL

Built 1983 ADT: 27,300

I.C.G.RR COMMUTER

Over: SAUK TRAIL

1.2 MI E CICERO AVE, Cook, IL

Built 1983 ADT: 27,300

LAKE COOK RD

Over: IL 53

0.5 M E OF HICKS RD, Cook, IL

Built 1989 ADT: 51,400

SANDERS RD SB

Over: I-294(TRI-STATE)

.54M N OF WILLOW RD, Cook, IL

Built 1988 ADT: 130,100

SOO LINE (METRA) R

Over: LAKE-COOK RD

0.30 MI W IL-43, Cook, IL

Built 1997 ADT: 33,100

C&NW RAILROAD

Over: LAKE COOK ROAD

0.3 MI W US 41, Cook, IL

Built 1997 ADT: 34,600

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026