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      Benson Road and Interstate 229
    
  Benson Road and Interstate 229
PROJECT COMPLETE

Project Summary:
Widening Ramps and converting interchange to a Diverging Diamond Interchange (DDI).

A $34.3 million reconstruction project on Benson Road and the Interstate 229 interchange is unfolding in Sioux Falls, S.D. The undertaking, a combined effort by the South Dakota Department of Transportation (SDDOT) and the city of Sioux Falls, includes construction of a Diverging Diamond Interchange (DDI), structure development work, and road widening. Read the full article here.
Project Photos:
Project Contract Amount:
$34.3 Million
Project Contacts:
Contractor: 
T&R Contracting
Connor Christensen
605-332-1170
SDDOT:
Steven Neumeister  
605-940-1063
                    Construction Projects
                    Planning
                    
    
                                
                                Carbon Reduction Strategy
                                
                                Freight Plan
                                
                                Long Range Plan
                                
                                Metropolitan Planning Organization
                                
                                Non-state Public Road Inventory
                                
                                Pavement Condition Monitoring
                                
                                Pavement Management
                                
                                South Dakota EV Fast Charging Plan
                                
                                Statewide Transportation Improvement Program – STIP
                                
                                Transportation Asset Management Plan (TAMP)
                    
                    Studies
                    
                                Special Studies
                                
                    Public Meetings
                    
            
                                        SPR
                                        US Highway 16 Corridor Study 
                                        I-229 Exit 3 (Minnesota Avenue) and Exit 4 (Cliff Avenue) Interchange & Environmental Study 
                                        I-229 Exit 6 (10th Street) Interchange Study 
                                        SD44 - Platte/Winner Bridge Corridor Study 
                                        I-90 Exit 46 (Elk Creek Road) Interchange Modification Study
                                        I-90 Exit 63 (Box Elder/Ellsworth AFB Commercial Gate) Interchange Study 
                                        U.S. 385 Roadway Improvement Study
                                        SD 100 Corridor Preservation Project
                                        US14A/US85/Deadwood Box Corridor Study
                                        South Veterans Parkway (Highway 100) 
                                        US Highway 212/Forest City Bridge Corridor Study
                                        Union County Master Transportation Plan Study
                                        Tabor to Platte Rail to Trail Feasibility Study
                                        Bryant Master Transportation Plan Study
                                
                    © 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
          Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
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© 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
          Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Powered by:
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