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:

C&NW RR

Over: CHURCH ST

1.2 M E N SHOR CH P6, Cook, IL

Built 1900 ADT: 7,600

C&NW RR

Over: CHURCH ST

1.21 E N SHORE CH P6, Cook, IL

Built 1900 ADT: 7,600

CTA ELEVATED

Over: CHURCH ST

3.3 M E US 41 P6, Cook, IL

Built 1900 ADT: 7,600

SKOKIE SWIFT

Over: SOUTH BLVD

3.5 M E US 41 P6, Cook, IL

Built 1909 ADT: 7,000

C&NW RR SPUR

Over: SOUTH BLVD

3.51 M E US 41 P6, Cook, IL

Built 1939 ADT: 7,000

PC RR (NORTH)

Over: JEFFERY BLVD

S OF 83RD P7C, Cook, IL

Built 1900 ADT: 15,700

PC RR (SOUTH)

Over: JEFFERY BLVD

S OF 83RD P7C, Cook, IL

Built 1900 ADT: 15,700

I294 RAMP TO LAKE

Over: I94 EDENS CONNECTOR

1.5M S OF LAKE COOK, Cook, IL

Built 1990 ADT: 46,000

BELT LINE RR

Over: 26TH ST

.25 M E OF ILL 50, Cook, IL

Built 1900 ADT: 11,800

IC RR

Over: HALSTED ST

0.1MI N OF ARCHER, Cook, IL

Built 1900 ADT: 12,100

C.&N.W. RR

Over: KEELER AVE.

0.01M.N.OF IRV. PK., Cook, IL

Built 1900 ADT: 13,650

WABASH & BELT RR

Over: HALSTED ST.

AT 75TH ST., Cook, IL

Built 1900 ADT: 12,200

CRI & P RR

Over: HALSTED ST.

0.22M.N. OF 87TH ST., Cook, IL

Built 1900 ADT: 14,400

C&NW RR

Over: ILL 50 (CICERO AVE)

1.1 M N I290 P4C, Cook, IL

Built 1992 ADT: 26,600

B & O CT RR

Over: IL 50 (CICERO AVE)

0.2 M S I290, Cook, IL

Built 1900 ADT: 30,500

CC & P RR

Over: IL-50 CICERO AVE.

0.2M.S.OF 31ST., Cook, IL

Built 1991 ADT: 49,700

AT&SF RR

Over: WILLOW SPRINGS RD

.5 N OF IL 171, Cook, IL

Built 1992 ADT: 19,000

CTA ELEVATED

Over: ASHLAND AV

.01M N OF CONGESS PK, Cook, IL

Built 1900 ADT: 21,600

Lincoln Oasis

Over: I80&I294

.9M W of IL394, Cook, IL

Built 1958 ADT: 147,000

Pedestrian Walkway

Over: I-90

1 Mi E of Ill. 72, Cook, IL

Built 2018 ADT: 154,300

I-294 NB TO I-88 W

Over: I-294

0.2M S 22ND P20, Cook, IL

Built 1958 ADT: 134,500

CN&W RR

Over: Division St.

.1M E of I94, Cook, IL

N&W RR(EAST STR)

Over: 79TH ST

2.05 M E ILL 50 P6C, Cook, IL

Built 1939 ADT: 11,800

N&W RR(SOUTH STR)

Over: KEDZIE AVE

S 79TH ST P6C, Cook, IL

Built 1939 ADT: 14,900

LAKE ST CTA&C&NW R

Over: OAK PARK AVE

0.9 M N I290 P16, Cook, IL

Built 1900 ADT: 10,600

IC RR

Over: DIXIE HWY-PINE ST

0.5 M N 183RD P24, Cook, IL

Built 1900 ADT: 15,200

GT RR (W)

Over: VERMONT ST

0.45 M W WESTERN P26, Cook, IL

Built 1900 ADT: 11,000

B&O RR (E)

Over: VERMONT ST

0.44 M W WESTERN P26, Cook, IL

Built 1900 ADT: 11,000

IC RR SPUR

Over: 76TH ST

0.05 M W I90 P7C, Cook, IL

Built 1952 ADT: 7,600

PC RR

Over: 76TH ST

0.03 M E I90 P7C, Cook, IL

Built 1900 ADT: 7,600

PC RR

Over: 76TH ST

0.04 M E I90 P7C, Cook, IL

Built 1900 ADT: 7,600

CRI&P RR(E)

Over: 76TH ST

0.59 M W I94 P7C, Cook, IL

Built 1952 ADT: 11,700

CRIE&P RR

Over: 87TH ST

0.01 M W HALSTED P, Cook, IL

Built 1900 ADT: 26,800

CRIE&P RR

Over: VINCENNES AVE

W OF HALSTED P, Cook, IL

Built 1900 ADT: 8,550

C & NW RR

Over: FULLERTON AVE

0.2M.E.OF I-94 P3C, Cook, IL

Built 1900 ADT: 23,300

C&NW RR

Over: FULLERTON AVE

E CHICAGO RIV P, Cook, IL

Built 1900 ADT: 17,600

C&NW RR

Over: ILL 58 @ WOLF RD

0.01 M SW US 14 P11, Cook, IL

Built 1900 ADT: 31,700

C&NW RR

Over: ILL 58 @ WOLF RD

JUST SW US 14 P11, Cook, IL

Built 1900 ADT: 31,700

C&NW RR

Over: WINNETKA AVE

0.01 E GREEN BAY P12, Cook, IL

Built 1900 ADT: 2,700

C&NW RR

Over: WINNETKA AVE

0.01 E GREEN BAY P12, Cook, IL

Built 1900 ADT: 2,700

I-90 WB

Over: Des Plaines River Rd

0.40 MI E of I-294, Cook, IL

Built 1958 ADT: 28,600

I90 WB (NW TOLL)

Over: US 12,45 (MANNHEIM)

1 M W I294 P11, Cook, IL

Built 1958 ADT: 21,400

I90 EB (NW TOLL)

Over: ARLINGTON HTS RD

I90 & ARLGTN HTS P5, Cook, IL

Built 1958 ADT: 26,200

I-294 NB

Over: DEVON AVE

0.5 M N ILL 72 P11, Cook, IL

Built 1958 ADT: 6,450

I-294 NB to I-90 W

Over: I-294/I-90/Willow Creek

0.25 Mi S of IL-72, Cook, IL

Built 1958 ADT: 168,700

I-294 SB to I-90 E

Over: I-294/I-90/Willow Creek

0.25 Mi S of IL-72, Cook, IL

Built 1958 ADT: 91,500

CNW RR

Over: FOSTER AVE

JUST E.OF KENNEDY XY, Cook, IL

Built 1900 ADT: 24,200

I-294 CD RAMP

Over: TOUHY AVE.

1.3 MI N I-90, Cook, IL

Built 2009 ADT: 27,600

I-294 SB to I-190

Over: I-90 EB to I-294 SB

0.15 Mi S of I-90, Cook, IL

Built 1958 ADT: 9,800

BALMORAL

Over: I 294

1.2 M N ILL 19 P9, Cook, IL

Built 1958 ADT: 176,300

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