57th Street & Graystone Avenue Intersection Improvements Project

• Project valueTBD – estimate $433,000
• Project scheduleAugust 15, 2024 (Concrete Paving), May 17, 2025 (Traffic Signal Installation)
• Contractor nameTBD

Project Update 6/28/2024

• Work on the south half of the intersection improvments was completed on June 24, 2024.  The contractor moved traffic control to the north side of the intersection and completed the concrete fillet, ADA ramp, and sidewalk removals on the north half of the intersection on June 26, 2024.  The City of Sioux Falls is anticipating a completion date in late July of 2024 for the remaining fillet, sidewalk, and ADA ramp work.  Installation of the traffic signal is scheduled for spring of 2025 due to long equipment lead times.

Commuter Route Information

• The outside westbound lane of 57^th Street is closed between South Sycamore Avenue and South Graystone Avenue.  A sidewalk closure is in place along the north side of 57^th Street between Bahnson Avenue and Sycamore Avenue with pedestrians detoured to the sidewalk along the south side of 57^th Street.

Project Milestones

Concrete Work on north half of the intersection

1. Sidewalk, ADA, and Fillet removals
2. Concrete formwork
3. Concrete Paving
4. Site restoration

Concrete and Asphalt Work on south half of the intersection

1. Sidewalk, ADA, and Fillet removals
2. Grading
3. Concrete formwork
4. Concrete Paving
5. Asphalt Paving
6. Site restoration

Traffic signal installation:

1. 1. Install underground traffic signal cables
2. 2. Install poles and mast arms
3. 3. Install, wire, and aim traffic signal heads and pedestrian heads
4. 4. Install and wire pedestrian push button poles
5. 5. Install traffic cameras and vehicle detection
6. 6. Install traffic cabinet and program traffic controller and detection equipment
7. 7. Pavement markings
8. Site restoration