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Csah 53 over Little Cobb River

Blue Earth County, Minnesota · rated Fair in the 2025 National Bridge Inventory

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

Csah 53 over Little Cobb River in Blue Earth County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1968, making it 57 years old at the 2025 inventory.
It carries about 338 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 93 of the 193 inventoried bridges in Blue Earth County rated fair (48.2%); 12 (6.2%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete channel beam
Length	about 93 ft
Location	0.2 Mi N of Jct Csah 21
NBI structure number	07520
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 14 over Minn River; Trail	1976	39,000	Fair
US 14 over Th 169	1976	39,000	Fair
US 169 over Minn R UP RR; Str	1960	34,432	Fair
US 169 over Sibley St	1992	23,523	Fair
US 169 over Off Ramp From US 169	1987	23,523	Fair
Unu 169 over Minn R UP RR; Street	1985	22,949	Poor