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CR 70 over Stream

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

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

CR 70 over Stream in Chisago 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 2004, making it 21 years old at the 2025 inventory.
It carries about 450 vehicles a day (traffic count year 2009).
Its listed owner is the county highway agency.
It is one of 32 of the 61 inventoried bridges in Chisago County rated good (52.5%); 1 (1.6%) 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 2024, 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 23 ft
Location	0.4 Mi N of Jct Th 95
NBI structure number	13J10
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	September 2024
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
I 35 over Rush Creek	1967	27,920	Fair
Mn 95 over I 35	2010	20,467	Good
US 8 over Channel	2012	19,638	Good
US 61 over I 35	1967	14,200	Fair
US 61 over S Br Sunrise River	1967	14,200	Good
US 8 over Center Lake Channel	2005	13,800	Fair