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US 34 over Blackberry Creek

Kendall County, Illinois · rated Good in the 2025 National Bridge Inventory

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

US 34 over Blackberry Creek in Kendall County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2019, making it 6 years old at the 2025 inventory.
It carries about 22,400 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 67 of the 131 inventoried bridges in Kendall County rated good (51.1%); 15 (11.5%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 146 ft
Location	0.51 Mi W of Ill 47
NBI structure number	047010200000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ill 47 over Fox River	1984	24,800	Fair
US 34/FAP 311 over Waubansee Creek	2002	24,700	Fair
US 34 over Waubansee Creek	2001	22,300	Fair
US 34 over Rob Roy Creek	2019	18,700	Good
Orchard Rd over Gates Cr/trib to Fox	2000	18,700	Fair
Orchard Rd over Fox River & Omnitrax	2000	18,700	Fair