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Collin County adopts new pavement-selection criteria to prioritize long-life road upgrades
Summary
After a technical presentation and lengthy discussion of costs and funding, Collin County Commissioners unanimously adopted new pavement-selection criteria to guide whether county roads get upgraded from chip seal to hot-mix construction, with staff to prepare the implementing court order.
Collin County Commissioners Court on Thursday adopted a new countywide pavement-selection criteria intended to guide upgrades of county roads from chip seal to longer-lasting hot-mix construction.
The court approved the criteria 5–0 after a presentation from Public Works representative Mr. Kleinhechsel, who said the county’s earlier chip-seal program dating to 2005 no longer meets the heavier traffic and commercial loads on many roads. “We’re looking at a minimum 20 year life cycle on these roads,” Mr. Kleinhechsel told the court, arguing the new approach will lengthen pavement life where warranted.
The criteria use a composite scoring rubric developed with an engineering firm to prioritize roads for hot-mix reconstruction rather than chip seal, Mr. Kleinhechsel said. He cautioned that costs vary widely depending on subgrade conditions and testing results, and said the county will rely on laboratory analysis to refine per-mile estimates.
Commissioners pressed on cost and funding: the presentation included high-level estimates that hot-mix reconstruction could range substantially and could reach as much as $1.5 million or more per mile for heavily involved reconstructions, while chip-seal repairs commonly run in the low hundreds of thousands per mile. The chair noted available bond funds would fund only a small number of miles at the high end; Mr. Kleinhechsel acknowledged the limits and said the office would prioritize roads that score highest under the rubric.
Commissioners also asked whether the work would be contracted or handled in-house. Mr. Kleinhechsel said initial phases would be contracted because of current staffing and training gaps; his office is hiring but does not yet have the trained personnel for large hot-mix projects.
Although a court order to implement the criteria was not attached to the item, county staff said they would prepare the required order. Commissioner discussion repeatedly emphasized that funds will determine how many miles are upgraded and that many roads will remain chip-seal where the scoring and budget do not justify hot-mix reconstruction.
The court’s vote to adopt the criteria was taken after a motion to approve the adoption; the motion carried 5–0. The court also discussed using upcoming bond proceeds to fund initial projects under the new rubric.
