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Csah 8 over Mound Creek

Rock County, Minnesota · rated Poor in the 2025 National Bridge Inventory

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

Csah 8 over Mound Creek in Rock County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 454 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 5 of the 266 inventoried bridges in Rock County rated poor (1.9%); 5 (1.9%) 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

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

Bridge	Built	Vehicles/day	Condition
I 90 over Spring Water Creek	1960	15,110	Fair
I 90 over Elk Creek	1964	11,392	Fair
I 90 over Beaver Creek	1960	11,300	Fair
I 90 over Beaver Creek	1971	11,300	Fair
I 90 over Stream	1964	9,344	Good
US 75 over I 90	1992	9,172	Fair