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Mahoney Road over Wolf Creek

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

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

Mahoney Road over Wolf Creek in Jo Daviess 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 7 (good condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2021).
Its listed owner is a town or township highway agency.
It is one of 86 of the 192 inventoried bridges in Jo Daviess County rated good (44.8%); 21 (10.9%) 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

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

Bridge	Built	Vehicles/day	Condition
US 20 over Miss River Hwy RR	1943	17,300	Fair
US20 EB over Little Menominee Riv	1965	10,900	Fair
US20 WB over Little Menominee Riv	1965	10,900	Fair
US 20 WB over Menominee Rd	1968	10,900	Fair
US 20 EB over Menominee River	1964	9,450	Fair
US 20 WB over Menominee River	1964	9,450	Fair