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Ch 1 (fas 573) over Trib Allens Grove Di

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

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

Ch 1 (fas 573) over Trib Allens Grove Di in Menard 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 2013, making it 12 years old at the 2025 inventory.
It carries about 325 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 36 of the 89 inventoried bridges in Menard County rated good (40.4%); 10 (11.2%) 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 56 ft
Location	3 Mi E of Greenview
NBI structure number	065312800000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Il 97/IL 123 over Hemp Factory Branch	1994	4,850	Good
Ill 123 over Sangamon River	1985	4,800	Fair
Ill 29 over Indian Creek	1957	4,200	Fair
Ill 97 & 123 over Rocky Branch Creek	1990	4,200	Good
Ill 97 over Rock Creek	1989	3,900	Good
Ill 97 over C&im RR	1939	2,750	Fair