Power riveter at work on the SP&S Columbia River Bridge at Vancouver, Washington, November 19, 1907. This is a postcard image.

Power riveter at work on the SP&S Columbia River Bridge at Vancouver, Washington, November 19, 1907. This is a postcard image.

Color postcard view of the SP&S Columbia River Bridge looking south with a northbound passenger train, postmarked November 19, 1917. This is a postcard image.

Side view of the draw span of the SP&S Columbia River Bridge at Vancouver, Washington, November 7, 1907. This is a postcard image.

A view looking south from Vancouver, Washington during erecting of the SP&S Columbia River Bridge, October 10, 1906. This is a postcard image.

Erecting the draw span on the SP&S Columbia River Bridge, October 16, 1907. This is a postcard image.

Side view of the 185 foot-6 inch span connecting to the draw span of the SP&S Columbia River Bridge, Vancouver, Washington, October 16, 1907. This is a postcard image.

Riveting the draw span of the SP&S Columbia River Bridge at Vancouver, Washington, October 21, 1906. This is a postcard image.

Erection of the draw span on the SP&S Columbia River Bridge at Vancouver, Washington, October 25, 1907. This is a postcard image.

Placing main pinion shafts on the draw span of the SP&S Columbia River Bridge, Vancouver, Washington, October 25, 1907. This is a postcard image.

Erecting the draw span on the SP&S Columbia River Bridge at Vancouver, Washington, October 25, 1907. This is a postcard image.

Erecting the draw span on the SP&S Columbia River Bridge at Vancouver, Washington, October 4, 1907. This is a postcard image.

A view looking south through the SP&S Columbia River Bridge, postmarked September 2, 1927. This is a postcard image.

Color postcard view of north end of the SP&S Columbia River Bridge, postmarked September 3, 1912. This is a postcard image.

Color postcard view of the SP&S Columbia River Bridge, undated. This is a postcard image.

Color postcard view of the north end of the SP&S Columbia River Bridge, undated. This is a postcard image.

Color postcard view of the SP&S Columbia River Bridge with a northbound passenger train, undated. This is a postcard image.

Looking south through the SP&S Columbia River Bridge, undated. Photo by James Waggener, Jr. Oregon Historical Society Collection.

A view of the SP&S Columbia River Bridge, undated. Photo by Swank and Company. This is a postcard image.

A view of storage yard for stone used on the bridge piers of the SP&S Columbia River Bridge and small "goat" locomotive for moving the stone, undated.

Looking north from the top of the draw span of the SP&S Columbia River Bridge with a view of the wye and depot, undated. Photo by Harold M. Brown. Oregon Historical Society Collection. Two copies of photograph.

A view of the SP&S depot at Vancouver, Washington with SP&S Columbia River Bridge in the background, undated. Oregon Historical Society Collection.

Color postcard view of the SP&S Columbia River Bridge, undated. This is only a part of a folding panorama postcard image.

Color postcard view of the SP&S Vancouver, Washington depot with SP&S Columbia River Bridge in the background, undated. This is a postcard image.

A view of the SP&S depot at Vancouver, Washington looking southeast, 1944. Photo by Garratt.

Early view of the SP&S depot at Vancouver, Washington looking southeast, undated. Print from the Oregon Historical Society.

SP&S diesel locomotive Number 65, an American Locomotive Company (ALCO) RS-3, in Vancouver the diesel shop with it's engine being overhauled, September 9, 1956. Photo by John Labbe.

SP&S Diesel locomotive Number 67, an American Locomotive Company (ALCO) RS-3, with a yard transfer passing the Vancouver depot, undated. Gil Hulin Photograph.

Damaged SP&S diesel locomotive Number 80, an American Locomotive Company (ALCO) RS-3, inside SP&S Hoyt Street Roundhouse in Portland, Oregon, undated.

Damaged SP&S diesel locomotive Number 80, an American Locomotive Company (ALCO) RS-3, inside SP&S Hoyt Street Roundhouse in Portland, Oregon, undated.