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)

CTA RR

Unknown

Over: CENTRAL AV

.07M SO OF I290, Cook, IL

Built 1900 ADT: 16,500

LAKE COOK RD

Unknown

Over: I 94

I94&LAKE COOK RD P14, Cook, IL

Built 1958 ADT: 46,000

CSX RR

Unknown

Over: CENTRAL AV

.08M SO OF I90, Cook, IL

Built 1900 ADT: 16,500

PED OVERPASS

Unknown

Over: I-294 (TRI-ST TOLL)

0.4 M S US 34 P10, Cook, IL

Built 1958 ADT: 173,800

I-294 CD RAMP

Unknown

Over: DESPLAINES RIVER RD

1.2 MI N I-90, Cook, IL

Built 2009 ADT: 19,900

I-294 NB

Unknown

Over: EB IL-38 TO EB.I-290

0.2 M N ILL 38 P20, Cook, IL

Built 1958 ADT: 24,000

I-294 SB

Unknown

Over: EB IL-38 TO EB I-290

0.2 M N ILL 38 P20, Cook, IL

Built 1958 ADT: 24,000

I-294 NB

Unknown

Over: I-94 EDENS SPUR

.1 MI E I-294, Cook, IL

Built 2009 ADT: 46,000

171ST ST

Unknown

Over: I-80/294

2.0 M W OF IL-1, Cook, IL

Built 1962 ADT: 84,800

DIVISION ST

Fair

Over: N BR CHICAGO RIV CAN

829 W DIVISION, Cook, IL

Built 1903 ADT: 13,400

NB I-294

Fair

Over: CC&P RR

0.15M N ILL 56, Cook, IL

Built 2022 ADT: 21,700

PALATINE RD

Fair

Over: SALT CREEK

0.01 W WINSTON DR, Cook, IL

Built 1959 Load: 11.7 t ADT: 14,500

GEORGE ST

Fair

Over: WELLER CR

0.24 M N ILL 58 P5, Cook, IL

Built 1970 Load: 14.9 t ADT: 275

SHERIDAN RD

Fair

Over: N SHORE CHANNEL

2.5 M N ILL 58 P12, Cook, IL

Built 1911 Load: 17.2 t ADT: 9,400

108TH AVE

Fair

Over: MARLEY CR

0.5 M N 167TH, Cook, IL

Built 1900 Load: 17.5 t ADT: 7,500

SEE GWUN AVE

Fair

Over: WELLER CR

0.5 M N ILL 58 P5, Cook, IL

Built 1970 Load: 17.5 t ADT: 1,150

LAKE COOK RD

Fair

Over: SPRING CREEK

4 M W IL 59, Cook, IL

Built 1927 Load: 18.1 t ADT: 9,500

80TH AV

Fair

Over: MIDLOTHIAN CREEK

0.1 MI. N 171ST ST, Cook, IL

Built 1953 Load: 18.5 t ADT: 15,900

BLUFF CITY BLVD

Fair

Over: POPLAR CREEK

0.15M. E OF KANE CO., Cook, IL

Built 1909 Load: 19.4 t ADT: 3,000

PARKVIEW DR

Fair

Over: ADDISON CR TRIB

0.08 M N NORTH P9, Cook, IL

Built 1954 Load: 19.4 t ADT: 475

MS-1382 (Prk Acc R

Fair

Over: DTCH TO CAL RIV

WOLF LAKE CONS P8C, Cook, IL

Built 1955 Load: 19.4 t ADT: 250

IL 43 SB (HARLEM)

Fair

Over: RR - CN

0.1 M S I-55, Cook, IL

Built 1966 Load: 19.8 t ADT: 39,000

STONY ISLAND AVE

Fair

Over: NORTH CREEK

0.9 M S 186th, Cook, IL

Built 1949 Load: 20.1 t ADT: 3,650

HICKS RD

Fair

Over: BUFFALO CREEK TRIB

.82 S OF LAKE COOK R, Cook, IL

Built 1932 Load: 20.7 t ADT: 16,600

HARRISON ST

Fair

Over: S BR CHICAGO RIVER

600 S & 322 W, Cook, IL

Built 1960 Load: 20.7 t ADT: 2,550

FAU-2537 BARTLETT

Fair

Over: POPLAR CREEK

0.4 M N BODE RD P7, Cook, IL

Built 1936 Load: 21.7 t ADT: 11,600

SYLVAN ROAD

Fair

Over: CREEK

WEST OF SHERIDAN, Cook, IL

Built 1985 Load: 21.7 t

79TH ST

Fair

Over: FLAG CREEK

0.02 M E WOLF P10, Cook, IL

Built 1946 Load: 22.4 t ADT: 6,300

MS-3000 (LINCOLN S

Fair

Over: WELLER'S DRN DTCH

0.16 M E BUSSE RDP5, Cook, IL

Built 1947 Load: 22.4 t ADT: 2,250

VAN BUREN STREET

Fair

Over: UNION STATION TRACKS

400S 400W TO 500W, Cook, IL

Built 1920 Load: 22.4 t ADT: 6,200

IL 83 (147TH ST)

Fair

Over: MIDLOTHIAN CREEK

0.5 M E CRAWFORD AV, Cook, IL

Built 1954 Load: 22.7 t ADT: 19,600

SAUK TRAIL

Fair

Over: THORN CREEK

0.6 M W ASHLAND P2, Cook, IL

Built 1932 Load: 22.7 t ADT: 15,300

IL 72 & UP RR

Fair

Over: HIGGINS CREEK

2.9 M W US 45, Cook, IL

Built 1931 Load: 23.0 t ADT: 31,500

US 6 (159TH)

Fair

Over: ALONG US 6 EB LANES

FROM I57 TO I294, Cook, IL

Built 1962 Load: 23.0 t ADT: 25,100

VOLLMER RD

Fair

Over: BUTTERFIELD CREEK

0.7M E. KEDZIE AV, Cook, IL

Built 1946 Load: 23.3 t ADT: 19,200

FRANCISCO AVE

Fair

Over: CAL SAG CHANNEL

0.2 N BROADWAY P26, Cook, IL

Built 1969 Load: 24.0 t ADT: 10,350

FAU 1603 (151st St

Fair

Over: TINLEY CREEK

1.64M.W.OF HARLEM AV, Cook, IL

Built 1948 Load: 24.3 t ADT: 15,400

167TH STREET

Fair

Over: CALUMET-UNION DRAIN

300 FT. E. OF I-294, Cook, IL

Built 1983 Load: 24.3 t ADT: 12,400

BRIARWOOD LANE

Fair

Over: SALT CR

0.5 E PLUM GR P18, Cook, IL

Built 1954 Load: 24.3 t ADT: 400

LAKE SHORE DR

Fair

Over: PEDESTRIAN UNDERPASS

3100N & 200W, Cook, IL

Built 1940 Load: 24.3 t ADT: 112,700

HUNTINGTON BLVD

Fair

Over: POPLAR CREEK

0.25 M S I90 P22, Cook, IL

Built 1972 Load: 24.3 t ADT: 1,625

I-90 SKYWAY

Fair

Over: GROUND SE INDIANA AV

0.08 M NW MARQ RDP7C, Cook, IL

Built 1958 Load: 24.3 t ADT: 28,700

LAKE SHORE DRIVE

Fair

Over: PEDESTRIAN UNDERPASS

600N 500E, Cook, IL

Built 1986 Load: 24.3 t ADT: 98,900

WASHINGTON STREET

Fair

Over: WELLER CREEK

0.5 M. S OF IL 58, Cook, IL

Built 1968 Load: 24.3 t ADT: 275

BURNING BUSH LANE

Fair

Over: MCDONALD CR

0.22 M N KNSNGTON P5, Cook, IL

Built 1963 Load: 24.3 t ADT: 1,100

HARBOR DRIVE

Fair

Over: PARKING GARAGE

200N 450E, Cook, IL

Built 1973 Load: 24.6 t ADT: 2,850

MONROE STREET

Fair

Over: UNION STATION TRACKS

100S 400W TO 500W, Cook, IL

Built 1924 Load: 24.6 t ADT: 4,650

I-90 SKYWAY

Fair

Over: GROUND SE 75TH ST

0.08 M SE 75TH P7C, Cook, IL

Built 1958 Load: 24.6 t ADT: 28,700

VINCENNES AVE

Fair

Over: THORN CREEK

0.7 M S 183RD, Cook, IL

Built 1920 Load: 24.9 t ADT: 6,150

STATE ST

Fair

Over: LONG RUN CREEK

0.1 M S ARCHER, Cook, IL

Built 1940 Load: 24.9 t ADT: 7,850

Related

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