Interstate 229 (South Dakota)

Interstate 229 marker

Interstate 229
I-229 highlighted in red
Route information
Defined by SDCL §31-4-210
Maintained by SDDOT
Length11.33 mi[1] (18.23 km)
Existed1966-present
Major junctions
South end in Sioux Falls
North end / CR 125 near Sioux Falls
Highway system
  • South Dakota Highways
->

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

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

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

Exit list

CountyLocationmikmExitDestinationsNotes
LincolnSioux Falls0.000.00 - Sioux City, Sioux FallsSouthern terminus; signed as left exit 1A (south) and 1B (north) southbound; I-29 exit 75; tri-stack interchange; originally trumpet interchange
1.432.301CLouise Avenue
Minnehaha2.574.142Western Avenue
3.585.763 north / (Minnesota Avenue)
4.637.454Cliff Avenue
5.599.00526th StreetAlso serves 33rd Street; southbound exit and entrance at Yeager Road
7.1511.516 south / (10th Street)Old US 16; single-point urban interchange
8.3513.447Rice Street - Brandon
9.9516.019Benson Road
11.3318.2310 - Albert Lea, Rapid CityNorthern terminus; signed as exits 10A (west) & 10B (east) northbound; I-90 exit 400; no exit from 229 south to 90; half-clover interchange
CR 125 (476th Avenue)Continuation beyond I-90; no exit from 90 to this route
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Downtown Loop

Interstate 229 Downtown Loop
LocationSioux Falls, South Dakota
Length4.3 mi[5] (6.9 km)

Interstate 229 Downtown Loop (I-229 Dwtn.) 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 Dwtn. 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]

Major intersections

The entire route is in Sioux Falls, Minnehaha County.

mi[5]kmDestinationsNotes
0.000.00 south (Minnesota Avenue south) / I-229Southern terminus; south end of SD 115 concurrency; I-229 exit 3; road continues as SD 115 (Minnesota Avenue)
2.4-
2.5
3.9-
4.0
north (Minnesota Avenue north) / / (11th Street)11th Street is one-way street, inbound access only; south end of SD 42 concurrency; eastern terminus of I-29 Dwtn. EB
/ west (10th Street west) / north (Minnesota Avenue north) - Arena, Convention Center10th Street is one-way street, outbound access only; north end of SD 115 concurrency; eastern terminus of I-29 Dwtn. WB
4.36.9 east (10th Street east) / I-229Northern terminus; single-point urban interchange; north end of SD 42 concurrency; I-229 exit 6; road continues east as SD 42 (10th Street)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

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

External links

Route map:

KML is from Wikidata

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Interstate_229_(South_Dakota)
 



 

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