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I 35 over BNSF RR

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

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

I 35 over BNSF RR in Carlton 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1965, making it 60 years old at the 2025 inventory.
It carries about 10,305 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 63 of the 148 inventoried bridges in Carlton County rated fair (42.6%); 13 (8.8%) 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	Continuous steel stringer or multi-beam girder
Length	about 188 ft
Location	0.1 Mi W of Jct Th 45
NBI structure number	09803
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 35 over Portage River	1968	16,400	Fair
Mn 33 over I 35	1965	16,100	Fair
I 35 over St Louis River	1971	14,250	Fair
I 35 over St Louis River	1971	14,250	Fair
I 35 over Korby Road	1973	14,250	Good
I 35 over Korby Road	1973	14,250	Good