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Ill 94 over Duck Creek

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

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

Ill 94 over Duck Creek in Mercer 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 5 (fair condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 1,250 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 62 of the 163 inventoried bridges in Mercer County rated fair (38.0%); 23 (14.1%) 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	Continuous steel stringer or multi-beam girder
Length	about 112 ft
Location	4 Mi N of Littleyork
NBI structure number	066001300000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 67 over Donahue Creek	1997	5,300	Fair
US 67 over Edwards River	1998	5,300	Fair
Ill 94 over Edwards River	1960	3,450	Fair
Ill 94 over Camp Creek	1960	2,900	Fair
US 67 over Pope Creek	2024	2,600	Good
US 67 over Henderson CR	1931	2,400	Poor