Interstate 535

Interstate 535 marker
Interstate 535
Map
I-535 highlighted in red
Route information
Auxiliary route of I-35
Length2.78 mi[1][2] (4.47 km)
Existed1971[3]–present
NHSEntire route
Major junctions
South end5th Street in Superior, WI
Major intersections
North end I-35 / US 53 in Duluth, MN
Location
CountryUnited States
StatesWisconsin, Minnesota
CountiesWI: Douglas
MN: St. Louis
Highway system
  • Minnesota Trunk Highway System
I-494MN MN 610
WIS 441WI I-794

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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