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Sbi 16 over Union Drainage Ditch

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

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

Sbi 16 over Union Drainage Ditch in Coles 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 5 (fair condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 3,550 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 159 of the 302 inventoried bridges in Coles County rated fair (52.6%); 21 (7.0%) 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 70 ft
Location	2.0 Mi W Charleston
NBI structure number	015006900000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-57 over Stream	1968	22,700	Fair
I-57 over Stream	1966	21,000	Fair
I-57 over Kickapoo Creek	1965	19,800	Fair
I-57 over Stream	1965	19,800	Good
Il 16 EB (fap 91) over Eastern IL RR	1961	15,100	Fair
Il 16 WB (fap 91) over Eastern IL RR	1961	15,100	Fair