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Fas-185 (ch-14) over Branch of Main Ditch

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

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

Fas-185 (ch-14) over Branch of Main Ditch in Lee County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 475 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 147 of the 373 inventoried bridges in Lee County rated good (39.4%); 42 (11.3%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 41 ft
Location	6 Miles W of Amboy
NBI structure number	052321300000000
Condition class	Good

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