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I-80 EB over US 34/FAU 5637

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

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

I-80 EB over US 34/FAU 5637 in Bureau County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1963 and reconstructed in 2012, making it 62 years old at the 2025 inventory.
It carries about 9,300 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 173 of the 374 inventoried bridges in Bureau County rated fair (46.3%); 60 (16.0%) 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 stringer or multi-beam girder
Length	about 138 ft
Location	2.8 Mi W Jct I-180
NBI structure number	006002000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-80 EB over Spring Creek	2010	12,200	Good
I-80 WB over Spring Creek	2009	12,200	Fair
I-80 EB over Il Railnet	2010	12,200	Fair
I-80 WB over Il Railnet	2009	12,200	Good
I-80 EB over Brush Creek & Tr 352	2011	11,450	Fair
I-80 WB over Brush Creek & Tr 352	2010	11,450	Good