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I- 55 over Joliet Rd

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

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

I- 55 over Joliet Rd in Will 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 1955 and reconstructed in 2021, making it 70 years old at the 2025 inventory.
It carries about 73,200 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 65 of the 656 inventoried bridges in Will County rated poor (9.9%); 65 (9.9%) 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	Continuous steel stringer or multi-beam girder
Length	about 210 ft
Location	2 M E of Il 53
NBI structure number	099002800000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I- 55 over Il 53	1980	108,500	Fair
I- 80 over Creek	1967	96,000	Fair
I- 80 over Marley Creek	1966	94,400	Good
I-355 over I55 Rmp to NBI355	2007	83,900	Fair
I- 55 over Lily Cache Creek	2007	83,500	Fair
I-355 NB over Fiddyment Creek	2007	72,300	Good