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Council approves South Diamond Lake Road mill-and-overlay project; staff flag culvert repair and municipal‑state‑aid funding
Summary
The council approved plans and specifications for a mill‑and‑overlay of South Diamond Lake Road, accepted a construction cost estimate of roughly $1.3 million and instructed staff to advertise for bids. Council also asked staff to pursue a trenchless lining option for an aging culvert and confirmed plans to use municipal state aid funds.
Dayton City Council voted 5–0 on March 11 to approve plans and specifications and to authorize advertisement for bids for the South Diamond Lake Road mill‑and‑overlay project.
City Engineer Jason Quisberg presented the project and said staff moved from a planned overlay to a mill and overlay across roughly five miles of roadway to provide a better tie into driveways and reduce shoulder work. Quisberg estimated construction at about $1.3 million and a total project cost just over $1.4 million after engineering and contingencies. He said the city plans to use municipal state aid (MSA) funds and had requested an advance of state aid. Quisberg said the city’s MSA balance and the requested advance together would fund the road work and contribute to a planned signal project on Dayton Parkway.
During the presentation staff reported a culvert under the roadway showed localized rust and should be repaired. Staff recommended a trenchless lining as the preferred approach to avoid large traffic disruptions; lining costs were comparable to a full open‑cut replacement, Quisberg said.
Quisberg summarized schedule items: advertise on March 20, open bids on April 8, and return to council with a recommendation at the April 25 meeting; construction would begin in July with substantial completion before the start of school. The council moved and seconded the recommendation to approve plans and go to bid; the motion carried 5–0.
Why this matters: The project is one of the city’s major pavement management actions for the year and includes safety‑related striping changes at the Rush Creek Parkway–Fernbrook intersection. The culvert repair recommendation, if implemented, would be a separate, smaller project with limited disruption under a trenchless method.
