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Farnham St over At&sf (004649A)

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

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

Farnham St over At&sf (004649A) in Knox 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 1976 and reconstructed in 2018, making it 49 years old at the 2025 inventory.
It carries about 6,800 vehicles a day (traffic count year 2022).
Its listed owner is a city or municipal highway agency.
It is one of 149 of the 304 inventoried bridges in Knox County rated good (49.0%); 32 (10.5%) 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 141 ft
Location	2 Blks N. of Main St
NBI structure number	048602700000000
Condition class	Good

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