Iowa Highway 128 marker

Iowa Highway 128

Iowa 128 highlighted in red
Route information
Maintained by Iowa DOT
Length6.982 mi[1] (11.236 km)
Existed1924 (1924)–present
Major junctions
West end Iowa 13 northeast of Elkader
East end US 52 north of Garnavillo
Location
CountryUnited States
StateIowa
CountiesClayton
Highway system
← Iowa 127→ I-129

Iowa Highway 128 is a state highway entirely within Clayton County, in northeastern Iowa. It begins at Iowa 13 northeast of Elkader and ends at U.S. Highway 52 (US 52) north of Garnavillo. The highway was originally part of Iowa 56 before becoming its own route. Iowa 128's route remains the same as when it was first designated.

Route description

Iowa 128 begins a T-intersection with Iowa 13 two miles (3.2 km) north of Elkader. It passes through rolling farmland on the western edge of the Driftless Area, a geologically distinct area of northeastern Iowa characterized by undulating terrain, high bluffs, and low river valleys.[2] It travels nearly seven miles (11 km) to the east until it ends at an intersection with US 52 one mile (1.6 km) north of Garnavillo.[1]

History

When the primary highway system was created in 1920, what is now Iowa 128 was designated as a part of Primary Road No. 56 (No. 56). That road began in West Union and traveled east to Elkader, where it was joined by No. 10 / No. 13. The three routes shared two miles (3.2 km) before No. 56 split away to the east. It then joined No. 20 and headed southeast to its eastern end in Guttenberg.[3] In 1924, No. 56 was shortened to end at No. 10 / No. 13 in Elkader. The overlappings along No. 10 / No. 13 and No. 20 were removed and the remaining standalone section became No. 128.[4]

Major intersections

The entire route is in Clayton County.

Locationmi[1]kmDestinationsNotes
Boardman Township0.0000.000 Iowa 13 – Elkader, McGregor
Garnavillo Township6.98211.236 US 52 – Garnavillo, Guttenberg, Monona
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. 1 2 3 2012 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2012. Retrieved February 8, 2014.
  2. ↑ Iowa State University Geographic Information Systems Support & Research Facility. "Iowa Geographic Map Server". Retrieved December 15, 2009.
  3. ↑ Iowa State Highway Commission (1919). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa State Highway Commission. Retrieved February 9, 2014.
  4. ↑ Iowa State Highway Commission (1925). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa State Highway Commission. Retrieved February 9, 2014.
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