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Ill 146 over Bell Pond Creek

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

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

Ill 146 over Bell Pond Creek in Johnson 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 1931 and reconstructed in 2009, making it 94 years old at the 2025 inventory.
It carries about 900 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 50 of the 118 inventoried bridges in Johnson County rated fair (42.4%); 3 (2.5%) 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 multiple box beam
Length	about 65 ft
Location	0.5 Mi E Grantsburg
NBI structure number	044002200000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 24 over Dry Fork Creek	1976	20,700	Fair
I 24 over Mccorkle Creek	1971	20,500	Good
I 24 EB over Tr 42 & L Saline R	1972	10,350	Fair
I 24 WB over Tr 42 & L Saline R	1972	10,350	Fair
I 24 EB over Tr 77 Bowman Bottoms	1971	10,300	Fair
I 24 WB over Tr 77 Bowman Bottoms	1971	10,300	Fair