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Csah 59 over South Creek

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

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

Csah 59 over South Creek in Martin County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 77 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 75 of the 162 inventoried bridges in Martin County rated good (46.3%); 39 (24.1%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
Its condition class and component ratings are unchanged from the 2024 inventory.
Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
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

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	7	7	Good condition


Structure	Concrete culvert
Length	about 38 ft
Location	0.6 Mi N of Jct Csah 26
NBI structure number	91209
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	September 2023
Inspection interval (item 91)	24 months
Scour (item 113)	8: foundations stable, scour above the top of the footing

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

Bridge	Built	Vehicles/day	Condition
Mn 15 over Center Creek	1973	11,176	Good
I 90 over E Fk Des Moines River	1973	8,600	Fair
I 90 over E Fk Des Moines River	1972	8,600	Fair
I 90 over Stream	1972	8,600	Good
I 90 over E Fk Des Moines River	1973	8,600	Good
I 90 over South Creek	1972	8,111	Fair