The wooden bridge was replaced in 1905 after the timber pilings collapsed and rebuilt in 1920 to include a steel swing span.
[8] The current two-lane hollow box girder span was opened on September 29, 1937 at a cost of $62,000 and became part of SSH 14A during the creation of the primary and secondary state highways.
[19] A corridor study was conducted by WSDOT between 2008 and 2012 and proposed that a new highway north of Henderson Bay to bypass Purdy and have a more direct connection with SR 16 be constructed.
[1] The highway travels north along Burley Lagoon from Peninsula High School before ending at a semi-directional T interchange with SR 16.
[22][23] WSDOT conducted a series of surveys to measure traffic volume in terms of AADT and calculated that between 1,900 and 11,000 vehicles per day used the spur route in 2011.