Interstate 535
Encyclopedia
Interstate 535 is a 2.78 miles (4.5 km) long Interstate Highway spur route of Interstate 35
Interstate 35
Interstate 35 is a north–south Interstate Highway in the central United States. I-35 stretches from Laredo, Texas, on the U.S.-Mexico border to Duluth, Minnesota, at Minnesota Highway 61 and 26th Avenue East. Many interstates used to have splits or spurs indicated with suffixed letters , but I-35...

 in Minnesota
Minnesota
Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...

 and Wisconsin
Wisconsin
Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

, in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is paired with U.S. Highway 53
U.S. Route 53
U.S. Route 53 is a north–south U.S. highway that runs for 403 miles from La Crosse, Wisconsin to northern Minnesota. It is the primary north–south route in northwestern Wisconsin, serving as a vital link between I-94 at Eau Claire, Wisconsin and the city of Duluth, Minnesota...

 (US 53) along its entire route.

Route description

I-535 begins in the city of Superior
Superior, Wisconsin
Superior is a city in and the county seat of Douglas County, Wisconsin, United States. The population was 26,960 at the 2010 census. Located at the junction of U.S. Highways 2 and 53, it is north of and adjacent to both the Village of Superior and the Town of Superior.Superior is at the western...

, at the junction of US 53 and Wisconsin Highway 35 (WIS 35) and continues northwest across the John Blatnik Bridge
John A. Blatnik Bridge
The John A. Blatnik Bridge is the bridge that carries Interstate Highway 535 and U.S. Highway 53 over the Saint Louis Bay, a tributary of Lake Superior, between Duluth, Minnesota and Superior, Wisconsin. The bridge is long and rises up nearly above the water to accommodate the seaway shipping...

 over the Saint Louis Bay
Saint Louis River
The St. Louis River is a river in the U.S. states of Minnesota and Wisconsin that flows into Lake Superior. The largest U.S. river to flow into the lake, it is 179 miles in length and starts near Hoyt Lakes, Minnesota. The river's watershed is in area...

 of Lake Superior
Lake Superior
Lake Superior is the largest of the five traditionally-demarcated Great Lakes of North America. It is bounded to the north by the Canadian province of Ontario and the U.S. state of Minnesota, and to the south by the U.S. states of Wisconsin and Michigan. It is the largest freshwater lake in the...

. 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
Duluth, Minnesota
Duluth is a port city in the U.S. state of Minnesota and is the county seat of Saint Louis County. The fourth largest city in Minnesota, Duluth had a total population of 86,265 in the 2010 census. Duluth is also the second largest city that is located on Lake Superior after Thunder Bay, Ontario,...

. I-535 ends
at the junction of US 53 and I-35 known locally as the "Can of Worms" 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 Interstate 275
Interstate 275 (Ohio)
Interstate 275 is an loop in Ohio, Indiana, and Kentucky that forms a complete beltway around the Cincinnati, Ohio area. It is the only auxiliary interstate that enters three states, including one state that the parent route does not enter . It is the longest loop interstate highway in the United...

 near Cincinnati, Ohio
Cincinnati, Ohio
Cincinnati is a city in the U.S. state of Ohio. Cincinnati is the county seat of Hamilton County. Settled in 1788, the city is located to north of the Ohio River at the Ohio-Kentucky border, near Indiana. The population within city limits is 296,943 according to the 2010 census, making it Ohio's...

, Interstate 287
Interstate 287
Interstate 287 is an auxiliary Interstate Highway in the U.S. 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 New York...

, and Interstate 129
Interstate 129
Interstate 129 is an auxiliary Interstate Highway which connects South Sioux City to Interstate 29 in Sioux City, Iowa. Opened in 1976, I-129 is a long route, running in Nebraska. At , Interstate 129 is the shortest highway in the state of Iowa...

.

In 2007, the Wisconsin Department of Transportation
Wisconsin Department of Transportation
The Wisconsin Department of Transportation, abbreviated as WisDOT, is a governmental agency of the U.S. state of Wisconsin responsible for planning, building and maintaining the state's highways...

 (WisDOT) surveys measured an annual average daily traffic
Annual average daily traffic
Average Annual daily traffic, abbreviated AADT, is a measure used primarily in transportation planning and transportation engineering. It is the total volume of vehicle traffic of a highway or road for a year divided by 365 days. AADT is a useful and simple measurement of how busy the road is...

 along their segment of I-535 at 21,800–29,500 vehicles daily. The Minnesota Department of Transportation
Minnesota Department of Transportation
The Minnesota Department of Transportation oversees transportation by land, water, and air in the U.S. state of Minnesota. The cabinet-level agency is responsible for maintaining the state's trunk highway system The Minnesota Department of Transportation (Mn/DOT, pronounced "min-dot") oversees...

 (Mn/DOT) measured 29,500 vehicles daily in their 2009 survey.
As an Interstate Highway, I-535 is a part of the National Highway System
National Highway System (United States)
The National Highway System is a network of strategic highways within the United States, including the Interstate Highway System and other roads serving major airports, ports, rail or truck terminals, railway stations, pipeline terminals and other strategic transport facilities.Individual states...

, a network of roads important to the country's economy, defense, and mobility.

The highway is part of the Falls-to-Falls Corridor, a federally-recognized trade corridor spanning from Eau Claire
Eau Claire, Wisconsin
Eau Claire is a city located in the west-central part of the U.S. state of Wisconsin. The population was 65,883 as of the 2010 census, making it the largest municipality in the northwestern portion of the state, and the 9th largest in the state overall. It is the county seat of Eau Claire County,...

/Chippewa Falls, Wisconsin
Chippewa Falls, Wisconsin
Chippewa Falls is a city located on the Chippewa River in Chippewa County in the U.S. state of Wisconsin. The population was 13,661 at the 2010 census. Incorporated as a city in 1869, it is the county seat of Chippewa County....

 to International Falls, Minnesota
International Falls, Minnesota
International Falls is a city in and the county seat of Koochiching County, Minnesota, United States. The population was 6,424 at the 2010 census....

 – Fort Frances, Ontario
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 2006 census was 8,103 and Fort Frances' population peaked in 1971 at 9,947...

.

History

Interstate 535 was authorized in 1957 as part of the original Interstate Highway System. The Blatnik Bridge
John A. Blatnik Bridge
The John A. Blatnik Bridge is the bridge that carries Interstate Highway 535 and U.S. Highway 53 over the Saint Louis Bay, a tributary of Lake Superior, between Duluth, Minnesota and Superior, Wisconsin. The bridge is long and rises up nearly above the water to accommodate the seaway shipping...

 was opened in 1961, and the ramps to I-35 were completed in 1971.

I-535 and the Blatnik Bridge replaced a toll bridge at generally the same location.

Exit list

External links

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