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Ill 17 over Fitch Creek

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

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

Ill 17 over Fitch Creek in Knox 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 425 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 123 of the 304 inventoried bridges in Knox County rated fair (40.5%); 32 (10.5%) 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 stringer or multi-beam girder
Length	about 66 ft
Location	2 Mi W of Lafayette
NBI structure number	048008100000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Fai 74 over Spoon Riv Tributary	1968	15,400	Fair
I-74 over Stream	1967	15,000	Fair
US 34 EB over US 150	1965	12,900	Fair
US 150 (main St) over Cedar Creek BNSF RR	2012	10,300	Fair
EB I-74 over Main (fau 6800)	1963	9,500	Fair
WB I-74 over E. Main St	1963	9,500	Fair