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Tr 150C over Branch Little Piasa

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

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

Tr 150C over Branch Little Piasa in Jersey 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 3 (serious condition) on the 0-9 scale.
It was built in 1975, making it 50 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 6 of the 113 inventoried bridges in Jersey County rated poor (5.3%); 6 (5.3%) 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	Steel stringer or multi-beam girder
Length	about 25 ft
Location	.5 Mi. W. New Delhi
NBI structure number	042311800000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 67 SB over Piasa Creek	2012	12,100	Good
US 67 NB over Piasa Creek	2012	12,100	Good
US 67 over De Arcy Creek	1921	5,300	Fair
Il 100 (NB) over Piasa Creek	1997	5,150	Fair
Ill 100 (SB) over Piasa Creek	1997	5,150	Good
Ill 100 over Elsah Creek	1961	4,150	Poor