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Fap-783 (ill-33) over Allison Ditch 3

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

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

Fap-783 (ill-33) over Allison Ditch 3 in Lawrence County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1961, making it 64 years old at the 2025 inventory.
It carries about 4,200 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 74 of the 185 inventoried bridges in Lawrence County rated fair (40.0%); 42 (22.7%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
Fap-327wb (US-50) over Fas-1827	1958	7,200	Poor
Fap-327eb (US-50) over Fas-1827	1958	7,200	Fair
Fap-327eb (US 50) over Beaver Pond Ditch	1957	7,200	Poor
Fap-327wb (US-50) over Beaver Pond Ditch	1957	7,200	Poor
Fap-327eb (US-50) over Allison Ditch No 1	1957	7,200	Poor
Fap-327wb (US-50) over Allison Ditch No 1	1957	7,200	Poor