Press Herald print archive photograph by Doug Jones/Staff Photographer

A photograph from the Press Herald’s print archives shows the then-abandoned York Street ramp to the old “Million Dollar Bridge” between Portland and South Portland in January 1991. According to the accompanying caption, the ramp had been “closed due to old age and deterioration” for “many years.”

Shawn Patrick Ouellette/Staff Photographer

A view from a similar vantage point on Clark Street on June 9, 2015 shows the new Casco Bay Bridge as well as the construction for a port expansion along the waterfront.

The Portland Room of the Portland Public Library is in the process of organizing and conserving the archival collection of original Portland Press Herald, Maine Sunday Telegram and Evening Express photographic negatives — a major collection that spans from 1937 to 2005. Find more photos at www.pressherald.com/flashback/.