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public-safety

Road work: bridge construction, grading, paving listed on I-90 from Aug. 17, 2026

The South Dakota Department of Transportation lists Road work: bridge construction, grading, paving at I-90 from 2.50 miles west of Piedmont-Exit 46 to 0.25 mile west of Summerset-Exit 48, with a listed start of Aug. 17, 2026.

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Published automatically from public-record data — not yet reviewed by an editor.

Key facts

What
Public safety
When
Record date Aug. 17, 2026; Added Aug. 19, 2026
Source
Road work and restrictions
Read time
About 1 minute

How this desk works (below the article)

I-90 near Piedmont is scheduled for bridge construction, grading and paving in both directions.

Work includes bridge construction adjacent to the roadway, grading adjacent to the roadway, and paving adjacent to the roadway with lanes reduced to 1, no passing, and width limit 16 ft until 4 p.m. MST Wednesday, Nov. 25, 2026. A project to reconstruct Exit 46 is currently underway. Work includes grading, paving, and bridge work adjacent to the roadway and in the median of Interstate 90. Traffic is limited to a single lane in each direction with Speed Limits reduced to 65 MPH. When workers are present, the speed limit may be reduced to 45 MPH.

The listed work zone runs from 2.50 miles west of the Piedmont exit (Exit 46) to a quarter mile west of the Summerset exit (Exit 48), near milepost 46. The work is listed from 7:50 a.m. MDT (8:50 a.m. CDT) Monday, Aug. 17 until 4 p.m. MST (5 p.m. CST) Wednesday, Nov. 25. The listing does not say which time zone applies, so both are given.

The project has its own page: dot.sd.gov/i90exit46.

Plans change with weather and crews' progress; the South Dakota Department of Transportation has the latest at SD511.

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How this desk works

Where this comes from

This listing comes from the South Dakota Department of Transportation's public traveller information, served through its vendor's content network. Neither host publishes a robots.txt or terms-of-use page, so no access directive exists either way; the department's own fields are reproduced with attribution, and no licence is claimed that nobody granted.

How the times are shown

The department publishes start and end as numeric timestamps, so each is shown as a clock reading in both of South Dakota's zones.

How the status is decided

Whether work is currently underway is not written into the article text, deliberately: it depends on when you are reading. It is worked out from the listed dates each time the page loads rather than stored as an answer that would go out of date without anyone noticing. The status at the top of the page is that calculation, not a claim the department made.

The department's description is put into plain words by fixed rules only: its standard opening line is replaced, times and dates are written the way people say them, and direction words lose their capitals mid-sentence. Nothing is added, and every number, place and time it gives is kept; a description in a shape those rules were not written for is quoted exactly as published. A detail inside it can be superseded without the surrounding fields changing.

Around this record

The records published so far include 2 road records from the South Dakota Department of Transportation within about 16 miles of this location with a listed start on or before this date. One of them states an end date on or after it. SDDOT published no end date for the other one, which is how the department represents work scheduled until further notice — whether those are current cannot be worked out from the records, and no guess is made. SD511 is the department's own live conditions service.

This section is assembled from other records already published and from arithmetic on the date above and on the coordinate this record's source published. It is not part of the filed record.

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