Home › Minnesota › St. Louis County › CR 666 over Railroad

CR 666 over Railroad

St. Louis County, Minnesota · rated Good in the 2025 National Bridge Inventory

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

CR 666 over Railroad in St. Louis 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 8 (very good condition) on the 0-9 scale.
It was built in 2023, making it 2 years old at the 2025 inventory.
It carries about 212 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 344 of the 670 inventoried bridges in St. Louis County rated good (51.3%); 41 (6.1%) 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 124 ft
Location	5.8 Mi N of Jct Csah 110
NBI structure number	69A85
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 35 over Miller & Coffee Creek	2022	46,000	Good
I 35 over Unstable Material	1970	45,454	Fair
I 35 over Recycle Way	2011	38,802	Good
I 35 over I 35 NB Off Ramp	1965	35,500	Fair
I 35 over Abandoned City St	1969	35,500	Fair
I 535 over SB Garfield; BNSF RR	1969	28,098	Fair