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Tr-74 over Dismal Creek

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

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

Tr-74 over Dismal Creek in Clay 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 7 (good condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 75 vehicles a day (traffic count year 2021).
Its listed owner is a town or township highway agency.
It is one of 83 of the 167 inventoried bridges in Clay County rated good (49.7%); 24 (14.4%) 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 60 ft
Location	2.5 Mi N Iola
NBI structure number	013317600000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Fap-327 (US-50) over Stream	1969	5,200	Fair
Fap 328 (US 45) over Grove Creek	2009	5,200	Good
Fap 328 (US 45) over Buck Creek	2008	5,100	Fair
Fap-327 (US-50 EB) over Elm River	1965	4,950	Fair
Fap-327 (US-50 WB) over Elm River	1965	4,950	Fair
Fap-327 (US-50) over Cxst RR	1969	4,600	Fair