; (x) repairing or maintaining tide gates; (xi) installing seismic retrofits on bridges; (xii) adding scour protection at bridges; (xiii) adding scour, stream stability, coastal, and other hydraulic countermeasures, including spur dikes; (xiv) the use of natural infrastructure to mitigate and reduce the risk of recurring damage or the cost of future repair from extreme weather events, flooding, or other natural disasters