The county Board of Supervisors on Tuesday approved contracts for design or environmental work on projects to replace vehicle bridges that county officials say are not up to standard.
The projects are primarily funded with federal dollars, with some local matches, according to the county’s Community Resources Agency.
The projects approved Tuesday include:
• The Lime Kiln Road bridge across Curtis Creek, which is currently classified under national standards as “structurally deficient” and “functionally obsolete.” The contract for design services totals $103,303 and was awarded to Mark Thomas and Company, with final construction for bridge replacement and related road work scheduled for 2015-16.
• The bridge on Algerine-Wards Ferry Road crossing Blanket Creek. The county agreed to pay ESA Land Management up to $69,321 for biological and hydraulic studies on the bridge replacement. The 1936 bridge is eligible for replacement due to “weakening of the reinforced concrete girders” and “efflorescence in the girders and abutments.” Construction is scheduled for 2014-15.
• The Draper Mine Road crossing at Curtis Creek, which is scheduled for construction in 2014-15. The Board of Supervisors approved a contract for up to $124,765 with Cornerstone Structural Engineering Group to complete structural design work. According to the CRA, a study after a 2006 storm showed the bridge is not adequate for a 50- or 100-year storm.
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