Lake Cook Road over W F N Br Chicago Riv

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

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

• Lake Cook Road over W F N Br Chicago Riv in Lake County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1989, making it 36 years old at the 2025 inventory.
• It carries about 29,800 vehicles a day (traffic count year 2022).
• Its listed owner is a city or municipal highway agency.
• It is one of 150 of the 250 inventoried bridges in Lake County rated fair (60.0%); 24 (9.6%) 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.

View this bridge on a map → (42.15278, -87.85257)

Component ratings

Bridge details

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

Busiest bridges in Lake County

All bridges nearby: Lake County, IL bridge conditions · every bridge in Lake County · Illinois bridges.

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