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Tiskilwa Spur over Bureau Creek

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

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

Tiskilwa Spur over Bureau Creek 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 1933 and reconstructed in 1984, making it 92 years old at the 2025 inventory.
It carries about 1,100 vehicles a day (traffic count year 2020).
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	Prestressed concrete stringer or multi-beam girder
Length	about 378 ft
Location	0.3 Mi N Tiskilwa
NBI structure number	006011400000000
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