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County engineers report progress on Z-34 paving, Division Street work and use of HSIP-funded VRAM
Summary
Jackson County engineers told supervisors crews completed the surface lift on Z-34, continue Division Street concrete and upcoming asphalt work, and are using HSIP-funded Void Reducing Asphalt Material (VRAM) to reduce joint deterioration near rumble strips.
Jackson County engineers told the Board of Supervisors Tuesday that several road projects are advancing and that a federally supported highway safety grant funded a new paving technique intended to reduce joint deterioration.
County Engineer Jaden Shekel said the contractor finished the surface lift on Z-34, then would move to side roads, and that Division Street in Monmouth had one concrete lane poured and would see removal and repour of the remaining lane before asphalt milling and overlay. "They're doing the surface lift today," Shekel said of the Z-34 mainline work. "We did the Division Street work in the city of Monmouth ... The remaining part will be tore out. Actually, I get tore out today, and we'll be pour back tomorrow. And then after that, we'll follow the asphalt milling and overlay."
Shekel described a pavement detail funded by the Highway Safety Improvement Program (HSIP): "That stands for void reducing asphalt material. So what it does is they put their base before they put the surface course on ... it's 18 inches wide and straddles over the center line joint ... it helps minimize your joint deterioration." He said the VRAM is placed under the top layer during paving and becomes incorporated into the surface course.
The county is also working on Main and Summit Street intersection repairs, including retaining walls; Shekel said the intersection had been "ported back" and work was scheduled to be finished by Memorial Day weather permitting. He added that a temporary traffic control signal was installed for Division Street staging to avoid a longer detour route.
Board members and staff also discussed other maintenance items: a potential RTCP payment to Baldwin for radar fines that staff will research, timing of McAllen Road work which may shift to late summer or early fall because of quarry scheduling, and progress on reclaiming projects that can take several weeks to settle after construction. Shekel praised crews’ work on reclaimed roads and said reclaimed surfaces from prior years were performing well.
The board did not take new funding actions on Tuesday; staff reported project status and said they would follow up on outstanding invoice and quarry scheduling questions.
