Interstate 535

Interstate 535
Interstate 535
	I-535 highlighted in red
Route information
	Auxiliary route of I-35
Length	2.78 mi (4.47 km)
Existed	1971–present
NHS	Entire route
Major junctions
South end	5th Street in Superior, WI
	US 53 / WIS 35 in Superior, WI;
North end	I-35 / US 53 in Duluth, MN
Location
Country	United States
States	Wisconsin, Minnesota
Counties	WI: Douglas; MN: St. Louis
Highway system
	Interstate Highway System; Main; Auxiliary; Suffixed; Business; Future;
	Minnesota Trunk Highway System; Interstate; US; State; Legislative; Scenic;
	Wisconsin State Trunk Highway System; Interstate; US; State; Scenic; Rustic;

Interstate 535 (I-535) is a 2.78-mile-long (4.47 km) auxiliary Interstate Highway spur route of I-35 in the US states of Minnesota and Wisconsin. It is paired with U.S. Highway 53 (US 53) along its entire route. The Interstate was part of the original 1956 Interstate Highway System and was completed in 1971. Since then, weight limits have been added to the Blatnik Bridge that carries the highway over Saint Louis Bay between Superior, Wisconsin, and Duluth, Minnesota.

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