Photograph, taken from below, of the Ross Island Bridge in Portland. The photograph may have been taken in December 1926, when the bridge was completed; the streetlights on the bridge appear to be decorated as they were for dedication ceremonies on December 21, 1926.

Photograph of the Ross Island Bridge in Portland, possibly taken in December 1926. A similar photograph was published on Page 1 of the Oregon Journal on December 21, 1926, the day the bridge was dedicated.

Photograph of the Ross Island Bridge in Portland during construction, probably in 1926.

Photograph of the construction scene on the Ross Island Bridge in Portland, probably in 1926. The view is from the east side of the bridge, facing to the west.

Photograph of the Sellwood Bridge in Portland, probably during construction in 1925. The bridge opened on December 15, 1925. Image note: Photograph shows discoloration due to deterioration of the negative.

Negative of a photographic postcard showing the St. Johns Bridge in Portland, Oregon. Taken from the west side of the Willamette River, and looking east across the river to the St. Johns neighborhood. Black smoke rises into the air from an area behind the bridge. Mount Adams is visible in the distance.

Negative of a photographic postcard showing the St. Johns Bridge in Portland, Oregon. Taken from the west side of the Willamette River, and looking east across the river to the St. Johns neighborhood. Black smoke rises into the air from an area in St. Johns behind the bridge. The Portland Tug and Barge Co. is visible in the foreground. The image is framed by tree leaves on the left and right. Handwriting on negative reads, "Willamette River - St. John's (sic) Bridge - Oregon. Christian 586."

Photograph looking towards to the west, showing a barge and tug boat on the Willamette River. The Hawthorne Bridge is visible to the right, and numerous buildings along the waterfront can be seen. Written on the negative is "50-471."

Photograph showing a barge and small boat on the Willamette River in Portland. In the distance, the Hawthorne bridge can be seen. Written on the back of the barge is "Portland General Electric Co. Barge no. 14, Portland Ore." To the right of the barge is wooden dock structure. Written on the negative is "49-298."

Photograph of the Steel Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. The high water has reached the bottom of the bridge. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of the Hawthorne Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. The draw bridge is up and a boat passes underneath. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of a train crossing the Steel Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. The high water touches the bottom of the bridge. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of the Burnside Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of a swing bridge, possibly the Morrison Bridge, turned on its axis above the high water of the Willamette River in Portland, Oregon during the Vanport Flood. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of the Hawthorne Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

A waterfront building on the Willamette River, in front of the St. Johns Bridge. “Floating Marine Ways Dry Dock, Boats Built and Repaired” is painted across the roof of the building, and a small ship “Delores” is docked (negative 4 of 37).

Photograph showing the Navy ship U.S.S. Portland passing under the St. Johns Bridge on the Willamette River in Portland, Oregon. Handwritten label on the print reads, "U.S.S. Portland. Angelus 74843." Handwritten note on the back of the print reads, "St. Johns Bridge, Portland, Ore. Cruiser in Willamette River."

Lighting pier and seating area at the northeast end of the Vista Bridge on Vista Avenue. Taken March 11, 1940.

A balcony built in the style of Chinese architecture on the third floor of a building, on the corner of SW Second Avenue and Pine Streets in Chinatown. Several storefronts have signs in Chinese.

Detailed metal work on a balcony railing of the Kramer Building, located on the SW corner of Second Avenue and Washington Streets. Rooftops, chimneys, and a bridge are visible in the background. Taken January 16, 1940.

Automobiles drive on Madison Avenue, with the Hawthorne Bridge in the background. Looking east towards Front Avenue. Witch Hazel building at right. A Cohn Bros. truck is also visible. Taken January 10, 1940.

Automobiles drive on Madison Avenue towards the Hawthorne Bridge. Looking east towards Front Avenue. Witch Hazel building at right. Taken January 10, 1940.

Harbor view showing the Willamette River, the Morrison Bridge, and the Public Market Building Towers from the east. Taken September 20, 1939.

A view of the Steel Bridge between the beams of the Broadway Bridge. A sign shows the speed limit is 25 mph.

Rows of railroad cars sit on the tracks at a railroad yard at McCormick Dock. Looking south toward the Steel Bridge. Several trucks are parked at a neighboring steamship company.

A sternwheeler tugboat pushes cargo through an opening in the Steel Bridge on the Willamette River. The drawbridge is up. Piles of lumber sit on a dock in the foreground. The Burnside Bridge is visible in the background.

View of the Portland waterfront. There are logs and debris in the Willamette River. The Broadway Bridge is in the background, with the Steel Bridge visible behind it. Taken July 13, 1939.