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Ch 15 Fas 227 over Green River

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

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

Ch 15 Fas 227 over Green River in Henry 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 1976, making it 49 years old at the 2025 inventory.
It carries about 1,450 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 133 of the 329 inventoried bridges in Henry County rated fair (40.4%); 42 (12.8%) 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 230 ft
Location	1.5 Mi E Colona
NBI structure number	037322000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-80 over Drainage Ditch	1962	17,900	Fair
I 80 over Oat Creek	1961	17,300	Good
I74 & I280 over Turner Creek	1962	15,000	Fair
I-74 & 280 over Drainage Ditch	1962	15,000	Fair
I-74 over Mud Creek	1962	15,000	Good
I 74 over Stream	1962	15,000	Fair