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T 312 over Dry Run

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

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

T 312 over Dry Run in Olmsted 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 1994, making it 31 years old at the 2025 inventory.
It carries about 112 vehicles a day (traffic count year 1993).
Its listed owner is a town or township highway agency.
It is one of 235 of the 367 inventoried bridges in Olmsted County rated good (64.0%); 5 (1.4%) 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 91 ft
Location	1.5 MI S JCT CSAH 12 on
NBI structure number	55549
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 52 over Stream	2005	52,227	Good
US 52 over Kings Run	2005	52,227	Fair
US 52 over Cascade Creek	2004	46,000	Good
US 52 over US 14(CIVIC Center Dr)	2004	45,000	Good
US 52 over US 14(CIVIC Center Dr)	2004	42,317	Good
US 52 over Cascade Creek	2004	42,317	Good