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County outlines $6.78 million plan to bring 9.47 miles of unmaintained roadways up to standard
Summary
Public works staff told the Board of County Commissioners that surveying and drainage upgrades are prerequisites to maintaining 9.47 miles of unmaintained rights-of-way; initial work to bring those miles to a maintainable standard is estimated at $6,779,285.38, with an additional estimated annual grading cost of $111,150.72.
Danny Ullie, assistant public works director for Indian River County, told commissioners on Dec. 9 that staff has catalogued the county’s maintained assets and identified a subset of unmaintained rights-of-way that residents currently use as roads.
Ullie said the county maintains roughly 405 miles of paved roads, 246 miles of dirt roads and 129 miles of sidewalks, plus 1,383 drainage and curb structures. He said 9.47 miles of unmaintained rights-of-way identified in staff inventories would require substantial work — survey, drainage swales, culverts and undercutting substandard materials — before graders could reliably maintain them.
The staff estimate to bring those 9.47 miles up to a standard the county can maintain is $6,779,285.38. That figure, Ullie said, covers grading, drainage structures and stabilizing subgrade material; it excludes asphalt paving. Once upgraded, Ullie estimated annual grading maintenance for that added mileage at about $111,150.72.
Ullie and commissioners stressed surveying each parcel as a first step. He said some segments appearing as roads on aerial photos are private driveways or private property and are not county easements, giving the county no authority to maintain them. He cited examples in Wabasso and Grosvenor Estates where apparent roadways are on private land.
Commissioners discussed triage and prioritization by complaint volume and district. One commissioner asked whether some homeowners could choose to cost-share paving; Ullie said most of the identified unmaintained rights-of-way require work from the bottom up because of sugar-sand substrate and would not be candidates for spot paving without extensive base work.
Ullie also reported the county will test a chip-and-seal treatment on Dec. 15 on 8th Street as a lower-cost surfacing option. Staff estimated the test section at about $97,000 compared with an estimated $2 million for full hot-mix paving of the same length and said the county is watching the pilot for wider applicability.
The board took the presentation for direction; commissioners asked staff to return with a prioritized implementation plan and estimated budget implications for upcoming budget cycles.
