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TR 360 (Gentry Roa over E Br Kaskaskia River

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

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

TR 360 (Gentry Roa over E Br Kaskaskia River in Marion County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2014, making it 11 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 182 of the 294 inventoried bridges in Marion County rated good (61.9%); 22 (7.5%) 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 75 ft
Location	2 Mi N of Kinmundy
NBI structure number	061331800000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Fai-57 over Raccoon Creek	1966	21,000	Good
Fai-57 over Br E Fork Kaskaskia	1970	18,100	Good
Fai-57 over S Trib E Br Kask Rvr	1969	18,100	Good
Fai-57 over N Trib E Br Kask Rvr	1969	18,100	Good
US 50 over Vermillion Creek	1994	10,300	Good
Fai-57 NB over Crooked Creek	1968	9,650	Poor