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Csah 1 over Stony Brook

Cass County, Minnesota · rated Good in the 2025 National Bridge Inventory

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

Csah 1 over Stony Brook in Cass County, Minnesota, 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 2015, making it 10 years old at the 2025 inventory.
It carries about 1,050 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 40 of the 85 inventoried bridges in Cass County rated good (47.1%); 7 (8.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 57 ft
Location	0.4 Mi E of Jct Csah 24
NBI structure number	11530
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Mn 210 over Gull River	1952	9,175	Fair
Mn 371 over Shingobee River	1992	8,423	Fair
Mn 210 over Mosquito Creek	2002	6,510	Fair
Mn 210 over Pillager Creek	1953	6,510	Fair
Mn 210 over Seven Mile Creek	1953	6,510	Fair
Mn 371 over S Fk Pine River	1992	6,346	Good