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Tr-117 over Icg RR

Jefferson County, Illinois · rated Poor in the 2025 National Bridge Inventory

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

Tr-117 over Icg RR in Jefferson County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 75 vehicles a day (traffic count year 2021).
It is one of 21 of the 259 inventoried bridges in Jefferson County rated poor (8.1%); 21 (8.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 102 ft
Location	3.75 Mi E Harmony
NBI structure number	041990800000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 64 over Oak Ridge School Ck	1974	28,600	Fair
I 64 over Harper Creek	1974	28,300	Fair
I 64 over Pierce Creek	1974	28,300	Fair
I 57 NB over Fap-726 & Un Pacf RR	1968	21,400	Good
I 57 SB over Fap-726 & Un Pacf RR	1968	21,400	Fair
I 57 NB over Ew RR	1967	21,400	Fair