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Ill 145 over Sugar Creek

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

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

Ill 145 over Sugar Creek in Pope 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 1948 and reconstructed in 2000, making it 77 years old at the 2025 inventory.
It carries about 1,150 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 25 of the 87 inventoried bridges in Pope County rated fair (28.7%); 4 (4.6%) 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 114 ft
Location	2.3 Mi N Ill 146
NBI structure number	076001500000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ill 34 over Gibbons Creek	1924	2,350	Fair
Ill 34 over Trib to Gibbon Creek	1991	2,350	Good
Ill 34-fap 778 over Unnamed Stream	2011	2,350	Good
Ill 146 over Lusk Creek	1964	2,150	Fair
Ill 145 over Bay Creek Ditch	1982	1,750	Fair
Il 145 over Bay Creek	2024	1,750	Good