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Fas 178 Paw Paw Rd over Br of Willow Creek

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

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

Fas 178 Paw Paw Rd over Br of Willow Creek in Lee 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 2012, making it 13 years old at the 2025 inventory.
It carries about 250 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 184 of the 373 inventoried bridges in Lee County rated fair (49.3%); 42 (11.3%) 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


Structure	Prestressed concrete multiple box beam
Length	about 41 ft
Location	4 Mi N of Paw Paw
NBI structure number	052351300000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 52 & Il 2 & Il over Rock River	2002	22,100	Fair
I 39&US 51 over Steward Creek Branch	1984	19,500	Fair
I 39&US 51 over Dry Run Creek	1982	19,100	Fair
I 39&US 51 over Stream	1984	19,100	Fair
I 39&US 51 over Harmon Creek South	1982	19,100	Fair
I 39&US 51 over Willow Creek	1983	18,700	Fair