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Bridge conditions in Cook County, Illinois

1,722 inventoried bridges · 246 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Of the 1,722 Cook County bridges in the federal inventory, 246 carry a poor rating. That 14.3% share is roughly 2x the national average.

246 of the 1,722 bridges in Cook County, Illinois, are rated in poor condition (14.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
472 bridges (27.4%) are rated good and 1,004 (58.3%) fair.
The median Cook County bridge was built in 1963.
The busiest poor-rated bridge is I- 90 94 Ryan Elev over Canal to Stewart Sts (built 1962), carrying about 245,500 vehicles a day.

Good 27.4% · Fair 58.3% · Poor 14.3% of 1,722 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
I- 90 94 Ryan Elev over Canal to Stewart Sts	1962	245,500	Poor
I- 94 Bishop Ford over RR - Ihb & Csxt	1949	178,600	Poor
I- 94 Bishop Ford over Greenwood Ave	1947	152,900	Poor
I- 94 Bishop Ford over Little Cal River	1947	152,900	Poor
Il 53 NB over Kirchoff Rd	1963	123,700	Poor
Il 53 SB over Kirchoff Rd	1963	123,700	Poor
Il 53 NB over US 14 NW Hwy & UP RR	1964	113,400	Poor
Il 53 NB over Industrial Ave	1963	113,400	Poor
Il 53 SB over US 14&UPRR FAU3512	1964	113,400	Poor
Il 53 SB over Industrial Ave	1963	113,400	Poor
Il 53 NB over Palatine Rd	1964	105,100	Poor
Il 53 SB over Palatine Rd	1964	105,100	Poor
Lake Shore Drive over Main Br Chicago Riv	1937	102,000	Poor
Lake Shore Dr over Wacker Drive	1986	102,000	Poor
Lake Shore Dr over Belmont Av	1941	101,600	Poor
Lsd-ramp 300 over Land	1986	95,000	Poor
Lake Shore Dr over Irving Park Rd	1967	94,800	Poor
Lake Shore Dr over Lower LSD & Land	1986	94,400	Poor
I-190 WB Jfk over I-294 Tri State Toll	1959	92,200	Poor
Il 53 Fap 342 over Anderson Dr MS 3240	1965	89,400	Poor
I- 94 SB Bishop Fo over Little Cal River	1949	89,300	Poor
I- 94 NB Bishop Fo over Little Cal River	1949	89,300	Poor
Il 53 NB over US 12 (rand Road)	1965	83,100	Poor
Ohio St Jfk Feeder over N Br Chicago River	1961	80,400	Poor
Ohio St Feeder E A over Kingsbury St	1956	80,400	Poor
Ohio St Feeder W A over RR - UP Trib Parking	1956	80,400	Poor
I-290 Ike(congress over Between Riv & Po	1954	76,900	Poor
I-290 Ike Congress over Thru Post Office	1954	76,900	Poor
I-294 NB over C&nw RR	1958	75,150	Poor
I-294 SB over Ill 7 (SW Hwy)	1958	71,700	Poor
I-294 NB over Cal Sag Canal	1958	71,700	Poor
I-294 NB over 135TH St	1958	71,700	Poor
I- 55 WB Stevenson over RR - Csxt	1963	71,000	Poor
I- 55 EB Stevenson over RR - Csxt	1963	71,000	Poor
I- 55 EB Stevenson over Il 50 (cicero Ave)	1963	68,750	Poor
Il 53 NB over Il 62 Algonquin Rd	1962	64,000	Poor
Il 53 SB Fap 342 over Il 62 Fap 339	1962	64,000	Poor
I- 55 EB Stevenson over RR - BNSF	1964	62,350	Poor
I- 55 WB Stevenson over RR - BNSF	1964	62,350	Poor
I- 55 WB Stevenson over Santa Fe Dr	1963	62,350	Poor
I- 55 EB Stevenson over RR - BNSF	1964	62,350	Poor
I- 55 WB Stevenson over RR - BNSF	1964	62,350	Poor
I-290 EB (SB) over RR - UP (south)	1958	61,950	Poor
I- 57 SB over Little Cal Riv Broad	1967	54,850	Poor
I- 57 NB over Little Cal Riv Broad	1967	54,850	Poor
Cicero Ave over Sanitary Ship Canal	1927	50,400	Poor
US 20 over Poplar Creek	1959	44,100	Poor
Il 43 (harlem Ave over US 12 20 (95TH St)	1961	41,100	Poor
Il 171 SB over Joliet Rd&bn RR Spur	1964	40,100	Poor
Lake Cook Road over Slough E. of Rand Rd	1981	39,900	Poor
Harlem Ave NB Ill over San & Ship Canal	1931	35,500	Poor
Il 43 (harlem Ave over I- 55 Stevenson	1964	35,500	Poor
Il 43 SB Harlem A over San & Ship Canal	1966	35,500	Poor
Il 43 (harlem Ave over I-290 & Il 110/CTA/RR	1957	34,800	Poor
Il 43 (harlem Ave over I- 80	1967	34,200	Poor
Il 50/83 Cicero A over Cal Sag Channel	1938	32,900	Poor
Willow Rd over W F N Br Chicago Riv	1941	31,700	Poor
I-190 EB Jfk over Des Plaines Riv Rd	1959	31,550	Poor
I-190 WB Jfk over Des Plaines Riv Rd	1959	31,550	Poor
I-190 WB Jfk over I- 90 Toll & D P Riv	1959	31,550	Poor
Touhy Ave over I- 94 Edens	1950	30,000	Poor
Roosevelt Rd over S Br Chicago River	1928	26,800	Poor
127TH St over I- 57	1966	25,600	Poor
Rand Rd over Des Plaines River	1928	25,500	Poor
Il 7 Southwest H over Cal Sag Channel	1931	25,400	Poor
US 6 (159TH St) over I- 57	1968	25,100	Poor
Western AV/31ST over Sanitary&ship Canal	1940	24,800	Poor
Touhy Ave over N Br Chicago River	1925	24,400	Poor
Il 171 (1ST Ave) over I-290 Ike - Il 110 Ckc	1951	24,300	Poor
Lemont Rd over Des P Riv Canal RR	1983	24,300	Poor
Michigan Ave over Main Br Chicago Riv	1920	24,300	Poor
Michigan Ave over Various City Streets	1921	24,300	Poor
130TH St over Little Calumet River	1949	23,400	Poor
FAU-1292 (E Lake A over N Br Chicago River	1935	22,900	Poor
Old Orchard Rd over I- 94 Edens	1950	22,900	Poor
East Lake Ave Ext over W F N Br Chi Riv	1961	22,400	Poor
Kedzie Ave over Sanitary&ship Canal	1909	22,000	Poor
US 6 (159TH St) over I- 94 Bishop Ford	1947	21,100	Poor
Kedzie Avenue over Prairie Creek	1979	20,700	Poor
Chicago Ave over N Br Chicago River	1914	19,900	Poor
Chicago Av & Halst over UPRR and Parking Lot	1968	19,900	Poor
103RD St over Norfolk Southern RR	1938	19,800	Poor
Foster Ave over I- 90 Jfk & Cta	1958	19,300	Poor
Il 1 (halsted St over Cal Union Ditch	1984	19,200	Poor
Foster Ave over N Br Chi Riv Center	1933	19,100	Poor
Foster Ave over N Br Chi Riv East	1933	19,100	Poor
127TH St over Cal Sag Channel	1968	19,100	Poor
Cortland St over N Br Chicago Riv	1902	18,600	Poor
N LaSalle St over Main Br Chicago Rv	1928	18,600	Poor
LaSalle St. over Parking Area	1928	18,600	Poor
130TH St over RR - Csss & Ihb	1953	18,500	Poor
130TH St over I- 94 Bishop Ford	1991	18,500	Poor
Lake Ave over I- 94 Edens	1950	18,300	Poor
Quentin Rd over Br of Salt Creek	1927	18,200	Poor
Euclid Ave over Il 53	1963	18,000	Poor
Belmont Ave over N Br Chgo Rvr	1976	17,800	Poor
Joe Orr Rd over Thorn Creek	1958	17,500	Poor
Il 171 & 79 St EB over US 12 20 45 Mannheim	1959	17,300	Poor
Vollmer Rd over I- 57	1967	17,200	Poor
Grand Ave over N Br Chicago River	1913	17,100	Poor
25TH Ave over I-290 Ike - Il 110 Ckc	1951	17,000	Poor
Devon Ave over Salt Creek	1932	17,000	Poor
Crawford Ave over Midlothian CR	1979	16,800	Poor
Franklin-orleans S over Main Br Chicago Riv	1920	16,550	Poor
171ST St over Midlothian Creek	1951	16,400	Poor
FAU-2585 Meacham R over West Branch of Salt Cree	1985	15,900	Poor
S. California Ave over Sanitary&ship Canal	1926	15,900	Poor
39TH St (pershing) over Racine Ave & RR	1936	15,500	Poor
Independence Blvd over I-290 - Il 110 & Cta	1953	15,200	Poor
Kedzie Ave over Cal Sag Channel	1966	14,700	Poor
Kedzie Ave over RR - Csxt & Wireton	1972	14,700	Poor
Ogden Ave over I-290 - Il 110 & Cta	1953	14,500	Poor
Torrence Ave over Calumet River	1938	14,500	Poor
143RD St over Br of Tinley Creek	1931	14,300	Poor
111TH St over I- 94 Bishop Ford	1960	13,800	Poor
Il 1 (halsted St over Little Cal River	1931	13,700	Poor
Il 1 (halsted St over Rr- Csxt	1935	13,700	Poor
Il 1 (halsted St over RR - Ihb	1927	13,700	Poor
Humboldt Dr over Humboldt Pk Lagoon	1953	13,700	Poor
Michigan City Rd over I- 94 Bishop Ford	1948	13,450	Poor
Glenview Rd over I- 94 Edens	1949	13,000	Poor
Canal St over Land	1926	12,900	Poor
Columbus Drive over Lower Level Columbus	1980	12,900	Poor
Hintz Rd. over Echo Lake	1987	12,400	Poor
Laramie Ave over I-290 - Il 110 & Cta	1954	12,100	Poor
Sacramento Blvd over I-290 - Il 110 & Cta	1953	11,600	Poor
Ewing Ave (92ND St over Calumet River	1914	11,200	Poor
Randolph Street over Lower Lev. Randolph	1963	11,200	Poor
Wacker Dr E over Lower Wacker Dr	1973	11,200	Poor
Wacker Dr E over Lower Wacker Drive	1975	11,200	Poor
Kedzie Ave over I-290 - IL110 & Cta	1954	10,500	Poor
Canal Street over Union Station Tracks	1926	10,400	Poor
Kirchoff Rd over Salt Creek	1996	10,400	Poor
Lake St over I- 90 94 Jfk	1957	10,250	Poor
FAU-1405 (Lake St) over S Br Chicago Riv	1916	10,250	Poor
167th(170th)st over Thorn Creek	1935	10,200	Poor
Fau-1334 (howard S over N Br Chicago River	1953	10,100	Poor
Wolf Rd over Flag Creek	1960	9,850	Poor
Racine Ave over I-290 - Il 110 & Cta	1954	9,750	Poor
95TH St over Calumet River	1958	9,750	Poor
Washington St over S Br Chicago Riv	1913	9,600	Poor
Washington Street over Union Station Tracks	1913	9,600	Poor
9TH Ave over I-290 Ike	1951	9,300	Poor
Desplaines St over RR Tracks-wayman St.	1981	9,250	Poor
9TH Ave. over Silver Creek	1955	9,100	Poor
Grand Ave over I- 90 94 Jfk	1959	8,900	Poor
Washington Blvd over Addison CR	1931	8,750	Poor
17TH Ave over I-290 Ike - Il 110 Ckc	1951	8,550	Poor
Ogden Ave Swb over I- 90 94 Jfk	1959	8,500	Poor
Ogden Ave Neb over I- 90 94 Jfk	1959	8,500	Poor
183RD St over I- 80	1963	8,450	Poor
Central Park Ave over I-290 - Il 110 & Cta	1953	8,450	Poor
Pratt Ave over I- 94 Edens	1949	8,250	Poor
Indiana Ave over Little Calumet River	1915	8,050	Poor
5TH Ave over I-290 Ike - Il 110 Ckc	1951	8,000	Poor
I- 94 NB 2 Old Orc over Ground	1982	8,000	Poor
25TH Ave over Salt Creek	1953	7,450	Poor
Kostner Ave over I-290 - Il 110 & Cta	1954	7,350	Poor
Wabash Ave over Main Br Chicago Riv	1930	7,350	Poor
US 41 SB Ramp Skok over I- 94 Edens	1949	7,300	Poor
Halsted Street over Kinzie St RR Tracks	1971	7,150	Poor
Niles Center Rd over I- 94 Edens	1950	6,900	Poor
State St over Main Br Chicago Riv	1949	6,900	Poor
FAU-2907 State St over Various City Strts	1949	6,900	Poor
N Clark St over Main Br Chicago Riv	1929	6,800	Poor
N. Baldwin Rd. over Buffalo Creek	1970	6,800	Poor
Lincoln Ave over I- 94 Edens	1950	6,750	Poor
Winnetka Rd over I- 94 US41 Edens	1948	6,750	Poor
Winnetka Rd over N Br Chicago River	1946	6,750	Poor
Division St (river over N Br Chi River	1904	6,700	Poor
Madison St over I- 90 94 Jfk	1956	6,600	Poor
Adams St over S Br Chicago Riv	1927	6,600	Poor
Chicago Heights Rd over Thorn Creek	1982	6,550	Poor
Kinzie St over N Br Chicago Riv	1909	6,350	Poor
106TH St over Calumet River	1928	6,250	Poor
Old Orchd to I-94 over Ground	1982	6,200	Poor
Van Buren St over S Br Chicago River	1956	6,200	Poor
Randolph St over S.br.chicago River	1903	6,100	Poor
I-294 SB to I-290 over I290	1958	6,100	Poor
Camp Mcdonald Rd over Mcdonald Creek	1994	6,050	Poor
Halsted St over S Br Chicago River	1934	6,050	Poor
Cottage Grove Ave over Little Cal Riv	1932	5,950	Poor
East Ave over I-290 & Il 110/CTA/RR	1957	5,900	Poor
Washington Blvd over Des Plaines River	1956	5,700	Poor
Olympian Way over Butterfield CR	1974	5,700	Poor
18TH St over RR Tracks	1967	5,650	Poor
18TH Street over RR. Lumber St & Lot	1967	5,650	Poor
Fau-1552 Grmn Ch R over Flag Creek	1963	5,350	Poor
I- 55 WB Rmp IL171 over Des Plaines River	1963	5,300	Poor
Loomis St over I-290 - Il 110 & Cta	1954	5,300	Poor
Cottage Grove Ave over Deer CR	1932	5,100	Poor
Harrison Street over Union Station Tracks	1921	5,100	Poor
Canal St over Union Station	1926	5,100	Poor
Canal Street over Union Station Tracks	1926	5,100	Poor
Ramp to NB LL LSD over Land	1986	4,800	Poor
Circle Ave over I-290 & Il 110/CTA/RR	1958	4,750	Poor
Lasalle Street over Trolley Car Tunnel	1911	4,750	Poor
Webster Ave over N Br Chicago River	1916	4,600	Poor
Grand Ave over Land	1977	4,450	Poor
Lincoln St over North Shore Channel	1908	4,400	Poor
South Water St over Lower Level S. Water	1971	4,150	Poor
Armitage Avenue over Silver Creek	1950	4,000	Poor
Fulton St over I- 90 94 Jfk	1960	3,750	Poor
Loomis St over S Br Chicago River	1904	3,675	Poor
Wabash Ave over Various City Strts	1930	3,675	Poor
Lehigh Ave over East Lake Ave Ext	1961	3,650	Poor
Hubbard St over I- 90 94 Jfk	1959	3,650	Poor
Flossmoor Rd over I- 57	1966	3,550	Poor
Paulina St over I-290 - Il 110 & Cta	1954	3,450	Poor
154TH St over I- 94 Bishop Ford	1946	3,275	Poor
Wilson Ave over N Br Chicago Riv	1913	3,250	Poor
Rohrssen Rd over Poplar Creek	1958	3,200	Poor
100TH St over Calumet River	1927	3,100	Poor
Oak Park Ave over I- 80	1967	2,700	Poor
Keeler Ave over I-290 - Il 110 & Cta	1953	2,650	Poor
207TH Street over Butterfield CR	1964	2,450	Poor
Forestway Dr over Ditch	1937	2,400	Poor
Central Rd over W Br Salt Creek	1960	2,350	Poor
Jackson Blvd over S Br Chicago Riv	1916	2,275	Poor
Wolf Rd over Flag Creek	1963	1,950	Poor
Elm St over Union Pacific RR	1940	1,800	Poor
Emerson St over Weller CR	1967	1,700	Poor
Harrison St over Addison CR	1952	1,500	Poor
MS2080 Wellington over Lake Cosman	1969	1,200	Poor
Meadowbrook over Salt Creek	1978	1,150	Poor
SB 41 to Randolph over Land	1986	1,000	Poor
21ST St over Addison CR	1974	900	Poor
Thornton Road over Midlothian Creek	1948	850	Poor
Chatham St over Cal Slough	1963	750	Poor
17TH Av over Silver Creek	1949	750	Poor
189TH Street over Lansing Drn Ditch	1970	700	Poor
Ms-2100 Leicester over Lake Cosman	1969	575	Poor
Parnell Ave over I- 57	1962	500	Poor
I- 80 EB to I-294 over I-294	1968	500	Poor
Van Buren St over Addison CR	1928	450	Poor
Wilcox St over Addison CR	1928	450	Poor
Wedgewood Drive over Addison Creek	1952	425	Poor
31ST Ave over Addison CR	1928	350	Poor
Gaynelle Rd over Midlothian CR	1968	325	Poor
Tee Brook Drive over Tinley Creek	1971	275	Poor
Monroe St over Addison CR	1928	225	Poor
Violet Ln over Butterfield CR	1964	225	Poor
Adams St over Addison CR	1928	150	Poor
30TH Ave over Addison CR	1928	150	Poor
MS4023 (Armitage A over Addison Creek	1961	150	Poor
West-ele Service R over 26TH St Connection	1900	100	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
I- 90 94 Dan Ryan over Sanitary Sewer	1961	312,400	Fair
I- 80 94 Kingery over Bikeway Ave (RR Ave)	2004	254,100	Fair
I- 90 94 Ryan Elev over 15TH to 16TH Sts	1962	247,500	Fair
I- 90 94 Ryan Elev over 16TH to 18TH Sts	1962	247,500	Fair
I- 90 94 Ryan Elev over Canal to Stewart Sts	1962	245,500	Poor
I- 90 94 Elev Exp over Stewart Ave to 28 Pl	1962	245,500	Fair
I- 90 94 Dan Ryan over Maxwell to 15TH St	1962	240,200	Fair
I- 90 94 Jfk over Armitage Ave	1959	228,800	Fair
I- 90 94 Jfk over Division St	1959	226,600	Fair
I- 90 94 Jfk over Il 64 (north Ave)	1959	223,900	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Illinois: Illinois bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.