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Bridge locations are represented as lines on or adjacent to state or local routes in Washington. This data layer does not include all NRHP eligible or listed bridges in Washington State. This data layer includes locally owned historic bridges in Washington that have been identified through a WSDOT Local Agencies-funded project but does not include all locally or privately owned historic bridges, nor those owned by other state or federal agencies, and should not be assumed to be a comprehensive list of all historic bridges in Washington State. This list is subject to change. 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