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Emergency Repairs to Marina Access Road and Culvert

Fort Washington Park » Emergency Repairs to Marina Access Road and Culvert » Document List

A team of state and federally certified FHWA engineers and hydrologists will assess damages caused by extensive erosion within an earthen drainage culvert that has caused dangerous undermining of an adjacent asphalt roadway and develop plans and specifications for making emergency maintenance repairs to the roadway and the surface drainage systems adjacent to it.
Emergency maintenance repairs will be made to a destabilized and rapidly eroding portion of embankment supporting a two lane asphalt road leading to a heavily used marina, restaurant and community swimming pool. Steel guardrails that have become suspended above the washout will be reset to FHWA safety standards and the adjacent 1,000ft long by approximately 30ft wide and 25ft deep storm water drainage ditch that continues to increase in size during every rainfall will be repaired. A retaining wall approximately 25ft high and 400ft long will be constructed to support the northern elevation of the earthen embankment adjacent to the south side of King Charles Terrace. The unchecked rapid drainage will be routed safely through a system of surface and subsurface drainage consisting of rip-rap, check dams, headwalls and basins in order to mitigate damages to the substrate supporting the roadway caused by this runoff.

Approximately, 1,200-3,000 square feet of asphalt will be removed and the substrate and surface asphalt reconstructed with stable material.


Contact Information
Bill Clark
Park Manager
Fort Washington Park
13551 Fort Washington Road
Fort Washington, MD 20744
william_clark@nps.gov
301-763-4600