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I-74 over Ill Riv T&p RR

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

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

I-74 over Ill Riv T&p RR in Tazewell County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1958 and reconstructed in 2020, making it 67 years old at the 2025 inventory.
It carries about 57,800 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 216 of the 358 inventoried bridges in Tazewell County rated fair (60.3%); 53 (14.8%) 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


Structure	Continuous steel through truss
Length	about 3,215 ft
Location	I-74 Ovr Illinois R
NBI structure number	090000100000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
EB I-74 over Altorfer St	2005	57,000	Fair
EB I-74 over Ill 116(MAIN St)	2005	40,800	Fair
I-74 over US150 & Bike Path	2015	39,000	Fair
EB US 150 over Illinois River & T&p RR	1948	30,000	Poor
WB US 150 over Ill River T&p RR	1982	30,000	Poor
WB I-74 over Diversion Channel	1959	28,500	Fair