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Tr 66 over Drainage Ditch

Henderson County, Illinois · rated Good in the 2025 National Bridge Inventory

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

Tr 66 over Drainage Ditch in Henderson County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 250 vehicles a day (traffic count year 2021).
Its listed owner is a town or township highway agency.
It is one of 46 of the 142 inventoried bridges in Henderson County rated good (32.4%); 18 (12.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 41 ft
Location	Ctr-21-t10nr5w
NBI structure number	036442400000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 34 over Miss Riv & Cri&p RR	1994	10,800	Fair
US 34 over Chinn St Gulfport	1970	10,200	Fair
US 34 over BNSF RR (079194E)	1970	10,200	Fair
US 34EB over Crystal Lk Dr Ditch	1998	10,200	Fair
US 34WB over Crystal Lk Dr Ditch	1998	10,200	Poor
US 34 over P.d. Creek	2008	6,050	Fair