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85th Street and Interstate 29 Diverging Diamond Interchange

Sector: Cement • Location: Sioux Falls, South Dakota, United States

Source: Argus Leader

Project
Under Construction

A diverging diamond interchange project connecting 85th Street east of Interstate 29 to Tea city limits west of Interstate 29. The $54 million project includes a pedestrian underpass, signage, street lighting, concrete surface, traffic signals, underground utility installation, grading, storm sewer, and pavement marking. Construction is planned over two years with traffic control and grading in ye

Status
Under Construction
Sector
Cement, Tunnel, Water Supply and Storage, Road, Bridge, Waste Processing and Treatment, Power Transmission, Power Generation (CCGT), Government
Location
Sioux Falls, South Dakota, United States of America
Updated
22 Jul 2026
Source
Argus Leader

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The project “85th Street and Interstate 29 Diverging Diamond Interchange” is an infrastructure initiative in the Cement sector, located in Sioux Falls, South Dakota, United States. Taiyo aggregates data on it from Argus Leader.

Participants

Sponsoring Agency

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

A diverging diamond interchange project connecting 85th Street east of Interstate 29 to Tea city limits west of Interstate 29. The $54 million project includes a pedestrian underpass, signage, street lighting, concrete surface, traffic signals, underground utility installation, grading, storm sewer, and pavement marking. Construction is planned over two years with traffic control and grading in year one, and bridge construction, curb and gutters, lighting, and markings in year two.

Original sector

Transportation

Budget

Location

Country

United States of America (USA)

State

South Dakota

City

Sioux Falls

Source

Source

Argus Leader

URL

More Details

Record type

Project

Sector

Cement, Tunnel, Water Supply and Storage, Road, Bridge, Waste Processing and Treatment, Power Transmission, Power Generation (CCGT), Government

Article published date

2025-12-01

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