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Csah 31 over Mud Creek

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

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

Csah 31 over Mud Creek in Swift 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 8 (very good condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 590 vehicles a day (traffic count year 2017).
Its listed owner is the county highway agency.
It is one of 73 of the 98 inventoried bridges in Swift County rated good (74.5%); 1 (1.0%) 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 74 ft
Location	0.1 Mi N of Jct Th 12
NBI structure number	76538
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 12 over BNSF Rail	1977	4,250	Good
US 12 over Shakopee Creek	1977	4,250	Fair
Mn 7 over Pomme De Terre River	1995	3,800	Good
Mn 9 over Chippewa River	1984	2,539	Fair
US 12 over Chippewa River	1971	2,135	Good
Mn 9 over Mud Creek	2013	1,850	Good