Iowa Highway 143 is a state highway which runs north-south in northwestern Iowa

Iowa

Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...

. The highway has a length of 12 miles (19.3 km).

Route description

Iowa Highway 143 begins at an intersection with Iowa Highway 3 just over one mile (1.6 km) south of Marcus

Marcus, Iowa

Marcus is a city in Cherokee County, Iowa, United States. The population was 1,139 at the 2000 census.-Geography:Marcus is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

 in Cherokee County

Cherokee County, Iowa

-2010 census:The 2010 census recorded a population of 12,072 in the county, with a population density of . There were 5,777 housing units, of which 5,207 were occupied.-2000 census:...

. On the northern edge of Marcus, Iowa 143 crosses a Canadian National Railway

Canadian National Railway

The Canadian National Railway Company is a Canadian Class I railway headquartered in Montreal, Quebec. CN's slogan is "North America's Railroad"....

 line. Six miles (6 miles (9.7 km)) north of Marcus, Iowa 143 crosses into O'Brien County

O'Brien County, Iowa

-2010 census:The 2010 census recorded a population of 14,398 in the county, with a population density of . There were 6,649 housing units, of which 6,069 were occupied.-2000 census:...

. It ends 5 miles (8 km) later at an intersection with Iowa Highway 10, 2 miles (3.2 km) north of Germantown and 4 miles (6.4 km) east of Granville

Granville, Iowa

Granville is a city in Sioux County, Iowa, United States. The population was 325 at the 2000 census.-Geography:Granville is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

.

History

Originally, Iowa Highway 143 was a short spur route

Spur route

A spur route is a short road forming a branch from a longer, more important route . A bypass or beltway is never considered a true spur route as it typically reconnects with the major road...

 from Iowa Highway 5 to Marcus

Marcus, Iowa

Marcus is a city in Cherokee County, Iowa, United States. The population was 1,139 at the 2000 census.-Geography:Marcus is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

; but it was extended north to Iowa 10 in 1937. In 1941, the highway extended south to the Woodbury

Woodbury County, Iowa

-2010 census:The 2010 census recorded a population of 102,172 in the county, with a population density of . There were 41,454 housing units, of which 39,052 were occupied.-2000 census:...

/Cherokee

Cherokee County, Iowa

-2010 census:The 2010 census recorded a population of 12,072 in the county, with a population density of . There were 5,777 housing units, of which 5,207 were occupied.-2000 census:...

 county border near Correctionville

Correctionville, Iowa

Correctionville is a city in Woodbury County, Iowa, United States. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. The population was 851 at the 2000 census. The town name comes from the original survey of the town. The site lies on a surveyor's correction line,...

.. In the early 1960s, Iowa 143 was paved between Marcus and Iowa 10, and the segment south of Iowa 3 / Iowa 5 was turned over to Cherokee County.

Major intersections

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