Interstate 229 (South Dakota)

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Interstate 229 marker

Interstate 229
Route information
Defined by SDCL §31-4-210
Maintained by SDDOT
Length: 11.33 mi[1] (18.23 km)
Existed: 1966 – present
Major junctions
South end: I-29 in Sioux Falls
North end: I-90 / CR 125 near Sioux Falls
Highway system
  • South Dakota Highways
SD 224 SD 230

Interstate 229 (I-229) in South Dakota runs just more than ten miles (16 km) mostly within the city limits of Sioux Falls, the largest city in the state. It runs from a trumpet interchange Interstate 29 in the southern extremities of Sioux Falls to Interstate 90 just north of Sioux Falls. In between, the interstate travels through parts of southern and eastern Sioux Falls.

Since its initial construction, I-229 had the distinction of being the only Interstate in the country that transitioned directly from a four-lane concrete road to a two-lane gravel road. That ended in 2006 with the paving of 476th Avenue, the continuation of the highway beyond its northern terminus at the interchange with I-90.[2]

Route description[edit]

I-229 begins at a trumpet interchange with I-29 just south of Globe University. I-229 travels to the northeast, passing north of the Avera Heart Hospital of South Dakota before going through several parks. A few miles to the northeast, just after the Cliff Avenue exit I-229 turns north and passes through metropolitan Sioux Falls. I-229 terminates at a partial cloverleaf interchange with I-90.[3]

Codified law[edit]

Legally, the route of I-229 is defined at South Dakota Codified Laws § 31-4-210.[4]

Exit list[edit]

County Location mi km Exit Destinations Notes
Lincoln Sioux Falls 0.00 0.00 1A/B I-29 – Sioux City, Fargo Southbound exit and northbound entrance; southern terminus & signed as exits 1A (south) and 1B (north); I-29 exit 75
1.43 2.30 1C Louise Avenue
Minnehaha 2.57 4.14 2 Western Avenue
3.58 5.76 3 I-229 Bus. north / SD 115 (Minnesota Avenue)
4.63 7.45 4 Cliff Avenue
5.59 9.00 5 26th Street Also serves 33rd Street; southbound exit and entrance at Yeager Road
7.15 11.51 6 I-229 Bus. south / SD 42 (10th Street) Old US 16; single-point urban interchange
8.35 13.44 7 Rice Street – Brandon
9.95 16.01 9 Benson Road
11.33 18.23 10 I-90 – Albert Lea, Rapid City
CR 125 (476th Avenue)
Northbound exit and southbound entrance; northern terminus & signed as exits 10A (west) & 10B (east); roadway continues as CR 125; no access from 229 south to 90 nor from 90 to CR 125 north; I-90 exit 400
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Interstate 229 Downtown Loop[edit]

Interstate 229 Downtown Loop
Location: Sioux Falls, South Dakota

The I-229 Downtown Loop is an off-Interstate business route though Sioux Falls. It begins at the SD 115 interchange along I-229 in the southern part of the city. It heads north along Minnesota Avenue toward the downtown area. At West 11th Street, the loop turns to the east and joins SD 42; west 10th Street forms the westbound half of a one-way couplet. I-229 Downtown Loop and SD 42 cross the Big Sioux River just upstream of Falls Park and shortly thereafter, the two one-way directions join and then travel along East 10th Street. They pass through a retail district and the South Dakota School for the Deaf. The Downtown Loop ends at a single point urban interchange with I-229 in the eastern part of the city. SD 42 continues east past the interchange.[5]

References[edit]

  1. ^ "Route Log and Finder List - Interstate System: Table 2". FHWA. Retrieved 2007-10-03. 
  2. ^ Callison, Jill (2006-11-18). "Paving Truck Ends Era of State's Gravel Interstate". Argus Leader. p. 1A. Retrieved 2011-05-12. 
  3. ^ Google (2011-09-07). "I-229 SD" (Map). Google Maps. Google. Retrieved 2011-09-07. 
  4. ^ "South Dakota Codified Laws - § 31-4-210". South Dakota Legislature. Retrieved 2008-06-25. 
  5. ^ Google (February 24, 2017). "I-229 Downtown Loop" (Map). Google Maps. Google. Retrieved February 24, 2017. 

External links[edit]

Route map: Bing / Google

KML is from Wikidata