20th Street from 7th Avenue to Cliff Avenue Reconstruction

• Project valueEstimate - $2,394,346.02
• Contractor nameTBD
• Completion DateNovember 06, 2026

Project Update: 02/09/2026

Commuter Route Information

During construction, traffic will be one-way heading west from Cliff Avenue while construction takes place on half of the road at a time.

Access to Sioux Falls Specialty Hospital and the Avera parking ramps will remain open throughout the project, though the routes to reach them may change as work progresses. Temporary traffic signs will be posted to help guide drivers through the area.

Project Milestones

Phase 1 – North half of 20^th Street from Cliff to 9^th Avenue

1. Removals
2. Sanitary Sewer
3. Watermain
4. Storm Drainage
5. Grading
6. Gravel base preparation and installation
7. Concrete Paving
8. Restoration

Phase 2 – South half of 20^th Street from Cliff to 9^th Avenue

1. Removals
2. Sanitary Sewer
3. Watermain
4. Storm Drainage
5. Street Lighting
6. Grading
7. Gravel base preparation and installation
8. Concrete Paving
9. Restoration

Phase 3 – 9^th Avenue / SFSH Entrance Intersection

1. Removals
2. Sanitary Sewer
3. Watermain
4. Storm Drainage
5. Street Lighting
6. Grading
7. Gravel base preparation and installation
8. Concrete Paving
9. Restoration

Phase 4 – SFSH Exit and Avera Loading Dock Entrance

1. Removals
2. Sanitary Sewer
3. Watermain
4. Storm Drainage
5. Street Lighting
6. Grading
7. Gravel base preparation and installation
8. Concrete Paving
9. Restoration

Phase 5 – Avera Loading Dock Entrance to 7^th Avenue

1. Removals
2. Watermain
3. Storm Drainage
4. Street Lighting
5. Grading
6. Gravel base preparation and installation
7. Concrete Paving
8. Asphalt Paving
9. Restoration

General

1. Pavement Markings
2. Traffic Signage
3. Pedestrian Crossing Equipment