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Csah 1 over I 90

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

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

Csah 1 over I 90 in Faribault County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1975, making it 50 years old at the 2025 inventory.
It carries about 481 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 97 of the 226 inventoried bridges in Faribault County rated fair (42.9%); 8 (3.5%) 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 stringer or multi-beam girder
Length	about 305 ft
Location	6.0 Mi W of Jct Th 169
NBI structure number	22801
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 90 over E Fk Blue Earth River	1977	7,508	Fair
I 90 over Co Ditch # 9	1975	7,448	Fair
I 90 over Co Ditch # 5	1975	7,162	Fair
I 90 over Co Ditch # 5	1975	7,162	Fair
I 90 over US 169	1976	4,450	Fair
US 169 over E Fk Blue Earth River	1976	3,995	Fair