Interstate 90 and I-29 and I-229 Bridges in Sioux Falls

Project Summary:

Interstate 90 East and West - Interstate 90 and Interstate 29 Interchange over I-29 drainage ditch and I-90/I-229 Interchange over I-229

• Bridge Deck Overlays
• Approach Slabs PCC Pavement
• Signing and Guardrail

Project Timeline:

April 2025 - Fall 2025

Project Updates:

April 2, 2025 - Press Release: 

On Monday, April 7, 2025, work will begin on the Interstate 90 eastbound structure over Interstate 29. Traffic control will be put into place to allow for a two-way traffic configuration on westbound I-90 utilizing crossovers. The south loop ramps of the I-90 and I-29 interchange will be closed during this time. This two-way traffic configuration is scheduled to begin on Monday, April 14, 2025, and continue until Saturday, May 10, 2025.

STATEWIDE CONSTRUCTION PROJECTS PAGE

PCN: 091T