Photograph showing the 1894 Burnside Bridge in Portland. The photograph was probably taken from the east side of the Willamette River, facing west and showing the north side of the bridge.

An aerial view of traffic lined up on the west side of the Broadway Bridge in Portland. A large train yard and Union Station can be seen under the bridge (negative 1 of 2).

An aerial view, looking east, showing construction of the Ross Island Bridge approach. A portion of the bridge can be seen at the top of the frame, crossing the Willamette River from the west (negative 1 of 4).

An aerial view of the Oregon Journal building, Willamette River, and Hawthorne Bridge in the snow. Looking east, the central east side industrial district can be seen at the other side of the river (negative 2 of 10).

Aerial view of the Willamette River flowing through Portland, Oregon. Four bridges are visible. From left to right, they are the Steel Bridge, the Burnside Bridge, the Morrison Bridge (under construction) and the Hawthorne Bridge. A wing of the plane is also visible on the lower right (negative 3 of 9).

An aerial view of Portland’s Union Station, coated in snow. The Broadway Bridge crosses the Willamette River, next to a train yard (negative 1 of 10).

An aerial view of Portland and the Willamette River, looking southeast, showing the Ross Island Bridge and Ross Island (negative 1 of 12).

An aerial view, looking north, showing Southeast Portland and the Willamette River. Bridges can be seen crossing the river, including the Ross Island Bridge, Hawthorne Bridge, and Steel Bridge. At the center of the frame is large train yard. Photographed with a K-25 camera (negative 10 of 14).

An aerial view of the St. Johns Bridge, looking west towards Forest Park and N.W. St. Helens Road. Industrial facilities can be seen below the bridge (negative 4 of 4).

An aerial view showing painters working on the St. Johns Bridge. Looking towards the east, the Willamette River with logs and industrial facilities can be seen below. Stacks of lumber are around the “Portland Lumber Mills” buildings (negative 3 of 4).

An aerial view showing painters working on the St. Johns Bridge. Looking towards the east, the Willamette River with logs and industrial facilities can be seen below (negative 1 of 4).

An aerial view showing painters working on the St. Johns Bridge. Below the bridge are log rafts and an industrial area along the Willamette River (negative 2 of 4).

An aerial view of the Steel and Broadway Bridges over the Willamette River in Portland, with a recent dusting of snow. Looking northwest, Union station and a train yard can be seen on the west side of the river (negative 6 of 10).

An aerial view, looking south, showing the Willamette River and the Ross Island Bridge in Portland. Ross Island can be seen just south of the bridge, with numerous timber rafts floating on the water. A timber mill can be seen on the east side of the river, next to a set of train tracks. Photographed with a K-25 camera (negative 7 of 14).

An aerial view of the Willamette River in Portland, looking south. The Broadway, Steel, and Burnside Bridges can be seen spanning the river. The Ross Island Bridge is also visible in the distance. Downtown Portland can be seen at the right side of the frame (negative 10 of 12).

A doorway on the SE corner of the Allen and Lewis Block at Front and Couch Streets. The Steel Bridge is in the background. Lumber is piled on the waterfront. Taken April 9, 1939.

A doorway on the SE corner of the Allen and Lewis Block at Front and Couch Streets. The Steel Bridge is in the background. Lumber is piled on the waterfront. Taken March 8, 1939.

Photograph taken next to the Interstate Bridge showing electrified street lights. Trees can be seen to the sides of the bridge and in the distance.

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.

A steel barge being launched at the Zidell Ship Wreckers yard in Portland, after being rebuilt for the Portland Gravel Company. The barge is splashing into the Willamette River, with a view north, looking towards the the Hawthorn Bridge. The top of the Steel Bridge can also be seen. A photograph from this series was published in the Oregon Journal on Friday, June 9, 1950 (negative 1 of 4).

A sailboat and large barge passing under the lifted section of the Interstate Bridge between Portland, Oregon and Vancouver, Washington during the dedication ceremony for the newly constructed second span of the bridge (negative 16 of 18).

Photograph showing supports for a bridge under construction, possibly the Burnside Bridge in Portland. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph showing barges in a river next to a bridge under construction, possibly the Sellwood Bridge in Portland. In the foreground is one of the support columns for the bridge.

View of the Broadway Bridge with open spans over the Willamette River. Taken October 25, 1938. The Broadway Bridge is a Rall-type double-leaf bascule drawbridge.

Broadway Bridge, from the east bank of the Willamette River. Old bridge pilings are visible in the river. A large ship is docked and the Hotel Hoyt is visible in the background. Taken June 28, 1939.

The Broadway Bridge crosses over the Willamette River, likely looking towards the west. A shoreline with bare dirt is in the foreground (negative 10 of 17).

Photograph showing part of the Broadway Bridge and ice on the Willamette River in Portland. The text “1937” is written on the negative.

Photograph of Broadway Bridge taken at night, from the Steel Bridge.