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Co Hwy 24 over S Brh of Larrys CR

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

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

Co Hwy 24 over S Brh of Larrys CR in Hancock County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2005, making it 20 years old at the 2025 inventory.
It carries about 850 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 105 of the 290 inventoried bridges in Hancock County rated fair (36.2%); 63 (21.7%) 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 68 ft
Location	6.5 W Ferris
NBI structure number	034324500000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 136 over Hamilton Slough	1954	10,500	Good
US 136 over Miss R/1ST/KEOKUK Jct RR	1985	10,500	Fair
Il 336 over Trib to Praire CR	2006	4,200	Good
Il 94 (NB) over Slater Creek	2003	4,050	Fair
Il 94 (SB) over Slater Creek	2002	4,050	Fair
US 136 over Il 336	2006	4,000	Good