Photograph showing a trestle cable car from the Portland Cable Railway. A large trestle is seen on a steep hillside, with wooden houses in the foreground. Two cars can be seen on the wooden structure. The photograph is a reproduction of a pinned image (pins can be seen in the frame), with caption “Scene from the cable RY. trestle on Portland Heights 1892.”

A view of a street car crossing the Morrison Bridge in Portland, Oregon, circa 1895. A handwritten description on the back of the photograph reads, "Morrison Bridge, 1895."

Photograph showing two cars on a railway trestle bridge, with the Alice Druhot house visible in the background (1903 SW Cable Street). People sit and stand in the cars while looking at the camera. Behind the trains, dirt hills are visible, with very little foliage. On the side of each train is written “Portland Cable Railway Co” and “Post Office – Court House.” The photograph is a reproduction of a pinned image (pins can be seen on the frame).

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.

Photograph taken at Station L (now the Oregon Museum of Science and Industry) of hog fuel being unloaded via a derrick from a barge on the Willamette River. The Hawthorne bridge can be seen in the distance, as well as other boats. One person stands on the barge watching a crate being lifted onto the dock.

Photograph taken at NE 90th Ave. and Glisan St. showing a recently constructed “Villa Avenue” bridge (which has been been removed). Across the dirt road, wooden structures can be seen in the distance.

Street scene with train and pedestrians. Signage on the train indicates “Sellwood” “East Moreland and Reed College” and a bridge appears in the background (potentially Hawthorne Bridge). Storefronts for business as hotels visible, such as “Hotel Wyoming” and “Palace Laundry”.

Photograph of taken at night of the approach to the Broadway Bridge showing electric lights and brick buildings. An automobile and pedestrians can be seen in the distance.

Photograph of taken at night of the western end of the Broadway Bridge showing electric lights. Also visible is the Albers Bros. Milling Co. brick building.

Photograph showing Hawthorne bridge lights at night, taken from a side angle.

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

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.

Photograph of a ship passing under the raised bascule of the Broadway Bridge in Portland.

Photograph of a ship passing under the Steel Bridge in Portland.

Photograph, taken from below, of the Burnside Bridge in Portland during construction, circa 1925. The bridge opened on May 28, 1926; see image Nos. 371N3005 and 371N3006.

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, looking northeast, of the Burnside Bridge in Portland with its bascule raised during construction, circa 1925. The bridge opened on May 28, 1926; see image Nos. 371N3005 and 371N3006.

Photograph, looking northwest, of the Burnside Bridge in Portland during construction, circa 1925. The bridge opened on May 28, 1926; see image Nos. 371N3005 and 371N3006.

Photograph, taken from below, of the Burnside Bridge in Portland during construction, circa 1925. The bridge opened on May 28, 1926; see image Nos. 371N3005 and 371N3006.

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.

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, 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 St. Johns Bridge in Portland during construction. The bridge opened on June 13, 1931. Image note: Photograph shows discoloration due to deterioration of the negative.

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."

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.