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Tr 321 over Union Dr Dis #3 Main

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

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

Tr 321 over Union Dr Dis #3 Main in Christian 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 5 (fair condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2021).
Its listed owner is a town or township highway agency.
It is one of 207 of the 320 inventoried bridges in Christian County rated fair (64.7%); 55 (17.2%) 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	Steel stringer or multi-beam girder
Length	about 26 ft
Location	2 Mi N Harvel
NBI structure number	011325000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Il 29 over Panther Creek	2005	12,200	Good
Il 29 NB over Clear Creek	2005	8,550	Fair
Il 29 SB over Clear Creek	2005	8,550	Good
Il 29 over Clear Creek	2005	8,550	Good
Il 29 over Ditch	2012	8,100	Good
Il 29 over Drainage	2012	8,100	Good