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Tr-18 over Big Creek Drain Dtch

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

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

Tr-18 over Big Creek Drain Dtch in White County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2024).
Its listed owner is a town or township highway agency.
It is one of 140 of the 213 inventoried bridges in White County rated fair (65.7%); 14 (6.6%) 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 162 ft
Location	1 Mi SW Mill Shoals
NBI structure number	097319700000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 64 over Trib Little Wabash R	1975	10,800	Good
I 64 over Drainage Ditch	1975	10,800	Fair
Fap-332 (ill 1) over Stream	1985	9,150	Fair
I 64 EB over Ill-1 & RR Abandoned	1969	7,450	Fair
I 64 WB over Ill-i & RR Abandoned	1969	7,450	Fair
I 64 EB over Tr-422 & Wabash Rv	1967	7,450	Poor