I-270 Sinkhole Update: “Major Pipe Failure” Caused a Lot More Damage Than Was Initially Visible

by MCS Staff

On Friday the Maryland State Highway Administration (MDSHA) provided an update on the sinkhole on SB I-270 prior to exit 9 l, which is still undergoing repairs that could last until July 4th.

Per MDSHA: “Major pipe failure looked small on surface of SB I-270, but it was only the tip of the iceberg. Damage underneath was not visible to drivers but is 20 ft wide, 15 ft long & 12 ft deep. Crews are installing new 80-ft pipe w/a focus on your safety.”

The Maryland State Highway Administration’s Charlie Gischlar has told WTOP that repairs to fix the sinkhole caused by a failed corrugated drainage pipe in the right lane of I-270 southbound prior to Exit 9 I-370 in Montgomery County will take several more weeks, and they are “hoping we can get it open by the Fourth of July holiday, if not sooner.” Drivers are encouraged to use MD 355 (Frederick Road) as an alternate route during this time.  According to the report, Montgomery County traffic officials have adjusted signal timing on 355 to help the flow of traffic.

Also on 270, MCDOT said has said that the resurfacing project on I-270 south of MD 109 will continue from 7:00pm-4:00am each night until mid-July 2022 (weather permitting).



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