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Tr-168 over Fish Lake Ditch

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

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

Tr-168 over Fish Lake Ditch in Fayette 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 1979, making it 46 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2023).
Its listed owner is a town or township highway agency.
It is one of 137 of the 356 inventoried bridges in Fayette County rated fair (38.5%); 16 (4.5%) 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 49 ft
Location	2.7 Mi S Vandalia
NBI structure number	026331700000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Fai-70 over Owl Creek	1966	25,800	Fair
Fai-70 over Tr-32	1965	25,800	Fair
Fai-70 over Stream	1963	23,900	Fair
Fai 70 over Stream	1962	23,800	Fair
Fai-70 over Stream	1948	22,700	Fair
Fai-57 over East Fork Kaskaskia	1970	18,100	Fair