View of the Spokane, Portland, & Seattle Railway Willamette River Bridge. A handwritten note on the back for the photograph reads, "File 62 - SP&S Train crossing Willamette River Bridge."

Photograph of 3 bridge piers under construction in an unidentified body of water. A railroad bridge, also under construction, can be seen on the far bank of the water, on the left, approaching the piers. Handwritten label on the bottom of the photograph reads, "Piers 2, 3 and 4 in background, May 1, '07."

Negative of a photographic postcard showing 2 people in a U.S. mail boat on the Rogue River near Agness, Oregon. A suspension bridge crosses the river behind them. Handwriting on negative reads, "U.S. Mail Boat - Forestry Bridge approaching Singing Springs Ranch - Rogue River, Agnes (sic), Ore. Christian P-292." Handwritten note on envelope indicates this was taken in 1957.

The new Steel Bridge under construction in Portland, Oregon.

Photograph taken from a side angle of a wooden and metal trestle bridge over the Molalla River. A person can be seen standing at the top of a hill in the distance. Railroad tracks appear to pass over the bridge.

View of Celilo Village with Celilo Falls and the Oregon Trunk Rail Bridge visible in the background. Other photographs from this series were published in the Oregon Journal on April 17, 1955 (negative 7 of 12).

This photograph depicts a longshot of the Alsea Bay bridge along U.S. Route 101 in Waldport, Oregon.

This photograph depicts cars driving across the McCullough Memorial bridge along U.S. Route 101 in Coos Bay, Oregon. An inscription on the photo notes "Coos Bay Bridge."

Ten photos show scenes in and around Camp Belknap, including general views of the camp, the officer's quarters and doctor's cubicle, the McKenzie River, and the Three Sisters.

Five photos show scenes from around Camp Remote, including logging, wildlife, and a Forest Service camp. Handwriting reads, "Donated by the Supervisor of the Willamette Nat'l Forest."

Six photos show members of Company 1309 conducting work in the area of Camp Sitkum. They are laying foundation rock for a road bed, working on a bridge construction project, and working on what appears to be a controlled burn in the forest. There is also a group photo of the men around a campfire. Handwriting on the page reads, "2 views sent by the Supervisor of the Willamette N.F."

Photograph of several automobiles crossing the bridge at Shepperd's Dell on the Historic Columbia River Highway in the Columbia River Gorge. Two people stand on either side of the bridge, looking over the railing. The people in the automobiles look toward the camera. Writing on the bottom of the print indicates a 1915 copyright by the Weister Co.

A view of the Columbia River in Vancouver, Washington. A ship, named “Seaglamor” can be seen at a loading dock, on top of which is a large warehouse building. The Burlington Northern Santa Fe Railway bridge over the river is in the distance (negative 8 of 17).

A photograph of a railroad bridge over the North Santiam River in Mill City. The water is visible flowing beneath the bridge and the area is surrounded by forest.

A photograph showing a wooden bridge at Silver Falls State Park. A dirt path leads to the bridge. The path and bridge are surrounded by trees and foliage.

A steel and concrete bridge spans the Willamette River in Salem, Oregon. Buildings and smokestacks can be seen on the far banks.

A photograph showing the Cascade Highway (Oregon Route 213) bridge crossing at Milk Creek in Mulino. There is an automobile on the right and houses are visible on the other side of the bridge.

Photograph of a covered bridge across a river. The words “NOT RESPONSIBLE FOR ACCIDENTS” are painted on one of the pillars supporting the bridge.

Photograph of a dirt road leading to an unidentified bridge in a forested area. The number 6 is written on the negative and is visible in the lower right corner of the image.

Photograph of an unidentified wooden bridge in a forested area. The number 11 is written on the negative and is faintly visible in the lower right corner of the image.

Photograph showing fallen decking, beams, and other debris in the water near a bridge.

Photograph showing an unidentified covered bridge over a river and the trestle leading to the bridge. The trestle and bridge are surrounded by forest. The text “Bridges - Clackamas County” is written on the negative sleeve. See related image No. 376G0146.

Photograph showing an unidentified covered bridge over a river and part of the trestle leading to the bridge. The text “Bridges - Clackamas County” is written on the negative sleeve. See related image No. 376G0145.

Photograph of a ship, the California State, at anchor. An unidentified bridge is visible in the background.

Stereograph view of an Oregon Steam Navigation Co. steam locomotive approaching from the east on the company’s portage railroad around the Cascades of the Columbia River, Skamania County, Washington Territory, 1867. South of the locomotive are ruins of the High Bridge, built by the military in 1860 to cross the Hamilton Creek drainage, and the Chenoweth/Putnam tramway.

Duplicate of Stereograph 1265, on a different mount. Stereograph view of an Oregon Steam Navigation Co. steam locomotive approaching from the east on the company’s portage railroad around the Cascades of the Columbia River, Skamania County, Washington Territory, 1867. South of the locomotive are ruins of the High Bridge, built by the military in 1860 to cross the Hamilton Creek drainage, and the Chenoweth/Putnam tramway.

Stereograph of the Oregon Railway & Navigation Co.'s bridge over Eagle Creek, Columbia River Gorge, Oregon, 1883

Stereograph of the Oregon Railway & Navigation Co.'s railroad bridge over Hood River, circa 1883. Items 2/82 and 2/83 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/82: "Hood River Crossing, Columbia River Scenery, Oregon."