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Highway department outlines bridge work, safety projects and debate over gravel‑to‑pavement conversions
Summary
The Boone County Highway Department described 2025 preservation work and 2026 plans — including federal and Community Crossings funding for bridge projects and expanded striping — and answered council questions about bridge weight limits, emergency access and gravel‑road conversion requests from constituents.
The Boone County Highway Department presented its 2025 performance highlights and 2026 plans, emphasizing bridge preservation, federal and state funding awards, and pavement‑treatment choices meant to improve safety and extend asset life.
The department noted it is responsible for roughly 196 bridges (structures longer than 20 feet) and described recent awards: federal aid for Bridge 139 (design and construction phases), Community Crossings support for Bridge 44, and multiple small‑structure projects partially funded with ARP dollars. The department also completed a countywide sign‑replacement effort (90% federally funded) and plans fall striping upgrades aimed at reducing lane‑departure crashes.
Highway staff explained preservation strategies (microsurfacing vs. chip‑and‑seal), noting microsurfacing is typically subcontracted and works better for slower traffic, while chip‑and‑seal can be more economical but behaves differently under wear. Staff reported an average paved‑road condition rating of 6.8, a threshold that affects MVH funding formulas.
Councilors pressed the department on bridge weight ratings and emergency access; the director said ratings are engineering determinations and the county coordinates with towns when municipal projects intersect county bridges. Board members also raised constituent concerns about gravel‑road conversions: staff described a property‑owner scoring process used to assess conversion requests and acknowledged strong, divided community opinions.
Next steps: The highway department will proceed with funded projects scheduled for summer construction and provide project maps and timing to the council; staff said they can provide year‑over‑year comparisons of treatments and their impacts if the council requests them.
