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Tr 327 over Lewis Creek

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

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

Tr 327 over Lewis Creek in Iroquois 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 7 (good condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 258 of the 568 inventoried bridges in Iroquois County rated good (45.4%); 83 (14.6%) 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 61 ft
Location	.25 Mi W Buckley
NBI structure number	038305600000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-57 over Dranage Ditch	2015	18,100	Fair
I-57 over Dranage Ditch	2015	18,100	Fair
I-57 NB & SB over Prairie Creek	2015	18,100	Fair
Fai-57 over Stream	1971	17,600	Fair
I-57 SB over Langan Creek	2013	9,550	Fair
Fai-57 NB over Langan Creek	2014	9,550	Fair