MC20-13 | Structure 50-237-120 Replacement & Approach Grading

The Minnehaha County Highway Department is requesting formal bids for the replacement of Structure 50-237-120 and approach grading. The project involves demolition of an existing bridge, clear and grub trees, traffic control, installation of a cast-in-place reinforced concrete box culvert, temporary diversion channel for fish passage, excavation, drainage fabric and riprap installation, approach grading, gravel surfacing, ROW fence, erosion control, and hydroseeding. • Demolition of an existing bridge • Clear and grub trees • Traffic control • Installation of a 4-barrel 10’x8’ cast-in-place reinforced concrete box culvert • Temporary diversion channel for fish passage • Unclassified excavation • Contractor-furnished borrow excavation • Drainage fabric and riprap installation • Approach grading • Gravel surfacing • ROW fence • Erosion control • Hydroseeding