Interstate 90 East - Humboldt to Sioux Falls

East

431st Avenue extends 4.0 miles south from East Street and the city of Spencer to the diamond interchange at Exit 353.
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435th Avenue meets Interstate 90 at a diamond interchange (Exit 357) by Gross Lake in one mile.
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435th Avenue extends 7.7 miles south from I-90 to SD 262 at the city of Bridgewater and 15 miles north to W Main Street at the town of Canova.
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Two miles ahead at mile marker 362, the Salem Rest Area is the seventh facility along Interstate 90 east in South Dakota.
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U.S. 81 meets Interstate 90 at a diamond interchange (Exit 364) east of the Vermillion River West Fork.
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U.S. 81 heads 3.5 miles north from Interstate 90 to SD 38 at the McCook County seat of Salem.
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Yankton lies 54 miles to the south of Interstate 90 along U.S. 81 and SD 50.
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The city of Canistota is five miles to the south of the upcoming diamond interchange (Exit 368) with 445th Avenue.
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451st Avenue runs 2.1 miles north from the diamond interchange at Exit 374 onto Fuller Avenue at SD 38 in the city of Montrose.
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Porter Sculpture Park appears just southeast of Exit 372 off of 257th Street.
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Turning southeast, Interstate 90 parallels SD 38 to a diamond interchange (Exit 379) with SD 19 by the city of Humboldt.
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SD 19 leads 7.12 miles south from a short overlap with SD 38 at Humboldt to SD 44 at Pumpkin Center.
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The succeeding exit along Interstate 90 is for 463rd Avenue at the suburban city of Hartford.
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SD 38 converges with Interstate 90 at a folded diamond interchange (Exit 390) and eastern reaches of the Hartford city limits.
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SD 38 parallels Interstate 90 to the south from Exit 390 to N Marion Road near Exit 395.
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The cloverleaf interchange (Exit 396) with Interstate 29 lies just east of the Marion Road overpass at Exit 395.
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Marion Road meets Interstate 90 at a folded diamond interchange (Exit 395) near an area of industrial parks in northwestern Sioux Falls.
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The SDDOT I-90/I-29 Interchange Justification Study issued in 2006 proposed expanding the exchange at Exit 396 outward and replacing loop ramps from I-29 south to I-90 east and I-29 north to I-90 west with flyover ramps.
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An auxiliary lane accompanies I-90 east from the Marion Road entrance ramp to Exit 396 A for Interstate 29 south. Eight interchanges line I-29 through Sioux Falls.
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Interstate 29 replaced U.S. 77 south from Milbank to Sioux City, Iowa. The freeway parallels the Missouri River from there to Omaha and Kansas City.
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Exit 396 B departs Interstate 90 eastbound for I-29 north to Brookings, Watertown and Fargo. I-29 ends 386 miles to the north at the Canadian border crossing near Pembina.
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Similar to Interstate 29 nearby, a set of crossovers appear along the freeway median of I-90, west of the Big Sioux River. These were used during construction in 2013 to close off one roadway at a time.
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The second of four exits serving Sioux Falls along I-90 joins the freeway with SD 115/Business Spur I-90 (Cliff Avenue) in one mile. Business Spur I-90 leads south to both Sioux Falls Regional Airport (FSD) and Falls Park north of Downtown via Benson Road and Minnesota Avenue.
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The first sign for Interstate 229 / Exit 400 precedes the exchange with Business Spur I-90/SD 115 (Cliff Avenue). I-229 comprises an urban loop south through Sioux Falls.
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Completed on November 8, 2013, a $17.4 million construction project upgraded the diamond interchange at Exit 399 into a SPUI.¹ Sign changes made for the project removed Business Spur I-90, a local designation coinciding with SD 115 south to Business Loop I-229 in Downtown.
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Cliff Avenue provides a number of traveler services southward from Exit 399 to industrial areas at Benson Road. Connecting Sioux Falls with Renner and Dell Rapids, SD 115 north begins at 72nd Street N. SD 115 was created in 1980 when U.S. 77 was realigned onto I-29. A 2001 relocation deviated the route from the original U.S. 77 along North Drive onto Minnesota Avenue and Benson Road through the city.²
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Passing over Cliff Avenue, I-90 advances 0.75 miles to Exit 400 for Interstate 229. I-229 travels 12.08 miles south with eight interchanges for the city of Sioux Falls.
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An auxiliary lane was added to Interstate 90 east between the SD 115 entrance ramp and I-229 as part of the Cliff Avenue Interchange project in 2013.
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SDDOT closes Interstate 90 east of I-229 during inclement weather. A series of warning signs and flashers direct motorists onto Exit 400 during closures.
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Exit 400 constitutes a half cloverleaf interchange with the north end of Interstate 229. 476th Street (CR 125) ties into the exchange from the north, but is not accessible from I-90.
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Barricades are lowered during snow closures along I-90 east of Sioux Falls as this sign directs traffic onto I-229 south.
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South from Exit 400, Interstate 229 first meets Benson Road and then Rice Street. A business loop serves Downtown between Exits 6 and 3. Similar to the south end of I-229, control points are not used on signs at the north end.
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Exit 402 joins Interstate 90 with CR 121 north and SD 100 south along Veterans Parkway). The SD 100 corridor replaced Timberline Avenue south and 478th Avenue north near the Big Sioux River.
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Continuing east from I-229, Interstate 90 lowers to cross Slip-up Creek en route toward Brandon and Valley Springs.
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478th Avenue (CR 121) leads north from Exit 402 ten miles to the USGS Earth Resources Observation and Science (EROS) data center.
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Interstate 90 continues five miles to SD 11 at Brandon.
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Known also as the Eastside Corridor, SD 100 is a long planned controlled access bypass heading southwest through the rural outskirts of Sioux Falls. Construction on the route between Madison and Maple Streets was completed on August 5, 2016 at a cost of $8.9 million.³ Exit 402 was reconfigured into a SPUI for the route.
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SD 100 extends south from Exit 402 to the junction of SD 11 and SD 42. Construction upgrading Exit 402 into a single point urban interchange (SPUI) was completed on November 6, 2019. The $54.6 million project commenced in early 2018.⁴
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Interstate 90 east next meets SD 11 (Splitrock Boulevard) at Exit 406 and the city of Brandon.
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Northward from Exit 406, SD 11 enters the community of Corson en route to Garretson.
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SD 11 travels south through Brandon along Splitrock Boulevard. Brandon is growing bedroom community of Sioux Falls with around 10,000 residents.
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Interstate 90 and the adjacent transmission line corridor run east across Split Rock Creek toward the Minnesota state line.
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Luverne, the Rock County seat, represents the next control point. Albert Lea, Minnesota is over two hours away.
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456th Street (CR 105) is the final South Dakota exit along Interstate 90 east. The diamond interchange (Exit 410) provides access to the Creek Nature Area.
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456th Street (CR 105) links Interstate 90 at Exit 410 with the cities of Valley Springs to the south and Garretson to the north.
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The last eastbound Interstate 90 mainline shield posted within South Dakota.
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The Minnesota Welcome Center precedes the state line; the next rest area is another 25 miles.
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A MnDOT shield for I-90 posted along the eastbound ramp from the Minnesota Welcome Center.
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References:

1. "I-90 and Cliff Avenue Interchange In Sioux Falls Opening To Traffic." South Dakota DOT, press release. November 7, 2013.
2. The South Dakota Highways Page: Highways 101 to 200 (Chris Geelhart). http://www.northernplainshighways.org/ sdakota/sd100up.html
3. "Sioux Falls Construction Projects." South Dakota DOT, press release. July 1, 2016.
4. "Highway 100 interchange at Interstate 90 east of Sioux Falls up and running." Sioux Falls Argus Leader (SD), November 6, 2019.

Connect with:

Interstate 29

Interstate 229

Business Spur I-90 - Sioux Falls

Page Updated Saturday February 25, 2023.