Interstate 535 (I-535) is a

auxiliary Interstate Highway Auxiliary Interstate Highways (also called three-digit Interstate Highways) are a supplemental subset of the freeways within the Interstate Highway System of the United States. Auxiliary routes are generally classified as spur routes, which con ...

spur route of

I-35 Interstate 35 (I-35) is a major Interstate Highway in the central United States. As with most primary Interstates that end in a five, it is a major cross-country, north–south route. It stretches from Laredo, Texas, near the Mexican border ...

in the US states of

Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...

and

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

. 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 The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...

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 , native_name_lang = oj , nickname = , total_type = , motto = , image_skyline = Tower Avenue.jpg , imagesize = , image_caption = Downtown Superior , ima ...

, and

Duluth, Minnesota , settlement_type = City , nicknames = Twin Ports (with Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: urban Duluth skyline; Minnesota ...

Route description

I-535 begins in the city of

Superior, Wisconsin , native_name_lang = oj , nickname = , total_type = , motto = , image_skyline = Tower Avenue.jpg , imagesize = , image_caption = Downtown Superior , ima ...

, at the junction of US 53 and State Trunk Highway 35 (WIS 35) and continues northwest across the Blatnik Bridge over the Saint Louis Bay of

Lake Superior Lake Superior in central North America is the largest freshwater lake in the world by surface areaThe Caspian Sea is the largest lake, but is saline, not freshwater. and the third-largest by volume, holding 10% of the world's surface fresh wa ...

. The freeway crosses from Wisconsin into Minnesota on the bridge and then meets an interchange for Garfield Avenue and the Port Terminal in the city of

Duluth , settlement_type = City , nicknames = Twin Ports (with Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: urban Duluth skyline; Minnesota ...

. I-535 ends at the junction of US 53 and I-35, known locally as the "

Can of Worms Can of worms is an idiom referring to a slew of subsequent problems and dilemmas arising from a decision or action. The phrase may also refer to: Transportation * Can of Worms (interchange) in Rochester, New York * Can of Worms (Minnesota interc ...

" interchange, which features a pair of left exits from I-35, a stoplight, and lane drops over the I-35 bridge. I-535 is the shortest Interstate in both Minnesota and Wisconsin. It also is the only Interstate in the two states with no exit numbers. I-535 in Wisconsin is one of the few instances in the United States of a three-digit Interstate Highway entering a state that its parent two-digit Interstate does not enter. Other examples include

I-275 Interstate 275 (I-275) may refer to: *Interstate 275 (Florida), a loop through Tampa, St. Petersburg, and Bradenton in Florida *Interstate 275 (Michigan), a western bypass of Detroit, Michigan * Interstate 275 (Ohio–Indiana–Kentucky), a full bel ...

near

Cincinnati, Ohio Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wit ...

;

I-287 Interstate 287 (I-287) is an auxiliary Interstate Highway in the US states of New Jersey and New York. It is a partial beltway around New York City, serving the northern half of New Jersey and the counties of Rockland and Westchester in N ...

; and

I-129 I129 or I-129 may refer to: *Interstate 129, an auxiliary Interstate Highway which connects South Sioux City, Nebraska to Interstate 29 in Sioux City, Iowa *Iodine-129 (I-129 or 129I), a radioactive isotope of iodine *Form I-129 (Petition for a Non ...

. In 2007, the

Wisconsin Department of Transportation The Wisconsin Department of Transportation (WisDOT) is a governmental agency of the U.S. state of Wisconsin responsible for planning, building and maintaining the state's highways. It is also responsible for planning transportation in the state ...

(WisDOT) surveys measured a traffic along their segment of I-535 at 21,800–29,500 vehicles daily, on average. The

Minnesota Department of Transportation The Minnesota Department of Transportation (MnDOT, ) oversees transportation by all modes including land, water, air, rail, walking and bicycling in the U.S. state of Minnesota. The cabinet-level agency is responsible for maintaining the state' ...

(MnDOT) measured 29,500 vehicles daily in their 2009 survey. As an Interstate Highway, I-535 is a part of the National Highway System, a network of roads important to the country's economy, defense, and mobility. I-535 is part of the

Falls-to-Falls Corridor U.S. Route 53, or U.S. Highway 53 (U.S. 53), is a north–south U.S. highway that runs for 404 miles (650 km) from La Crosse, Wisconsin to International Falls, Minnesota. It is the primary north–south route in northwestern Wisconsin, ...

, a federally recognized trade corridor spanning from Eau Claire–

Chippewa Falls, Wisconsin Chippewa Falls is a city located on the Chippewa River in Chippewa County in the northwestern part of the U.S. state of Wisconsin. The population was 14,778 in the 2021 census. Incorporated as a city in 1869, it is the county seat of Chippewa Cou ...

, to

International Falls, Minnesota International Falls (sometimes referred to as I-Falls) is a city in and the county seat of Koochiching County, Minnesota. The population was 5,802 at the time of the 2020 census. International Falls is located on the Rainy River directly acro ...

–

Fort Frances, Ontario Fort Frances is a town in, and the seat of, Rainy River District in Northwestern Ontario, Canada. The population as of the 2016 census was 7,739. Fort Frances is a popular fishing destination. It hosts the annual Fort Frances Canadian Bass Cha ...

History

I-535 was authorized in 1957 as part of the original

. The Blatnik Bridge was opened in 1961, and the ramps to I-35 were completed in 1971. I-535 and the Blatnik Bridge replaced a swinging toll bridge at generally the same location. That bridge existed from 1897 to 1962 and carried US 53 from Connor's Point in Superior to Garfield Avenue in Duluth. In November 2011, both MnDOT and WisDOT installed new signs to remind drivers that trucks over

gross vehicle weight Vehicle weight is a measurement of wheeled motor vehicles; either an actual measured weight of the vehicle under defined conditions or a gross weight rating for its weight carrying capacity. Curb or kerb weight Curb weight (U.S. English) or kerb ...

cannot use the Blatnik Bridge; these vehicles will be rerouted to the nearby

Bong Bridge The Richard I. Bong Memorial Bridge, also known as the Bong Bridge, connects Duluth, Minnesota, and Superior, Wisconsin, via U.S. Highway 2 (US 2). Opened on October 25, 1985, it is roughly long, including about over water. It crosse ...

. According to the press release, permitted, overweight vehicles have been restricted from using the Blatnik Bridge since early 2008 when inspections showed that corrosion and time were starting to affect the structure. Transportation officials say that the bridge is aging, and restriction of overweight vehicles will help to extend the life of the bridge. Drivers who disregard the posted weight limits will be ticketed.

Exit list

Notes

References

External links