Project Update 2021-05-10

RAPID CITY, S.D. – May 10, 2021 – Work this week includes backfilling around the box culvert that has been installed at Horse Creek. Roadway excavation continues from Highway 385 to the westernmost Spring Creek bridge with work taking place on the new marina access. Roadway excavation, undercutting, and gravel placement are also continuing at Norseman Lane moving west to Old Sheridan Road. Storm sewer installation is in progress at Norseman Lane moving west.

Traffic to The Marina at Sheridan Lake must use the gravel detour from Highway 385. The Marina is not accessible from Sheridan Lake Road during this construction season.

The speed limit is 35 mph from Norseman Lane to Rockwood Road. Sheridan Lake Road is fully closed from Spring Creek Trailhead Road to Highway 385. Thru traffic from Rapid City to Highway 385 must use an alternate route. Motorists are asked to be aware of suddenly slowing and merging traffic, changing work zone locations, reduced speeds through the work zone, and construction workers and equipment adjacent to the driving lanes.

Additional information will be provided as phasing, access, and traffic control changes with the progression of the project. To view the entire scope of the project, with the phasing and traffic control plans as well as weekly updates, please visit the project website or the storymap located at: Interested persons can also follow the project on Facebook, “Sheridan Lake Road Reconstruction,” and on Twitter, “Sheridan Lake Road Reconstruction@FerbEng.” The public may leave a message at (605)343-3311 with any questions or concerns regarding this reconstruction project.

Roadway Excavation on Sheridan Lake Road in Pennington County, South Dakota, Monday, May 10, 2021
Roadway Excavation on Sheridan Lake Road in Pennington County, South Dakota, Monday, May 10, 2021


    1. It is highly unlikely that Phase 3 in its entirety, which extends from the eastern-most Spring Creek Bridge to Norseman Lane, will be complete this year. The portion that currently has the surfacing removed (from Old Sheridan Road to Norseman Lane) will be completed this construction season and the contractor will only move west of Old Sheridan Road if there is sufficient time to reconstruct the road and place asphalt before the end of the season.


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