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143RD Street over Tinley Creek

Cook County, Illinois · rated Fair in the 2025 National Bridge Inventory

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

143RD Street over Tinley Creek in Cook County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1997, making it 28 years old at the 2025 inventory.
It carries about 20,300 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 1,004 of the 1,722 inventoried bridges in Cook County rated fair (58.3%); 246 (14.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 83 ft
Location	0.3 M W of Ridgeland
NBI structure number	016325900000000
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.

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