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    Simms Street Sinkhole Repairs Ongoing

    Update - August 7

    Slow progress is being made at the South Simms Street Sinkhole repair. Hand tunneling is being required due to collapsing earth conditions in the old culvert pipe. Approximately 110 feet of new steel culvert has been pushed into place out of a total of 180 feet.

    South Simms will remain closed until the new steel culvert pipe has been pushed passed the sinkhole. South Simms will be opened to two-way traffic on August 8 at 9:00 a.m. The setup will be similar to the first few weeks after the sinkhole, with two lanes open to traffic. 



    Update - July 15

    Simms St. is now fully closed to facilitate the repairs and for the safety of motorists. Simms will remain closed for the foreseeable future. A detour for Simms Street is in place to direct traffic around the closure.



    The Jefferson County Road & Bridge Division is continuing work to repair a sinkhole that occurred in June on Simms Street just south of Coal Mine Road in South Jeffco.

    The cause of the sinkhole, which measures about 20' x 20', appears to be the failure of a large drainage culvert under the roadway.

    Traffic has been moving on the western side of Simms while repairs were being made to the sinkhole, however, the county now needs to close the road to all traffic beginning at 9 a.m. Tuesday, July 15.

    Jeffco Road and Bridge Director Larry Benshoof said that continuing repairs to the roadway require the road to be fully closed until such time as it is safe for two-way traffic to resume.

    Updated information and closure updates will be posted on the Jefferson County Road & Bridge website or call 303-271-5200 for more information.

    *The sinkhole was originally reported on June 25. For photos and maps, please see the June 25 news item "Sinkhole on Simms Street in South Jeffco." 

    Kathryn Heider
    Public Information Officer

    July 14, 2014

    Last Updated: 8-7-2014