File:PC interstate-5 bridge cars ca1920.jpg

No higher resolution available.

PC_interstate-5_bridge_cars_ca1920.jpg ‎(600 × 381 pixels, file size: 83 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

DescriptionPC interstate-5 bridge cars ca1920.jpg	English: Penny Postcard: Interstate 5 Bridge, ca.1920. Penny Postcard, ca.1920, "'Pacific Highway Interstate Bridge', Spanning Columbia River, Portland, Ore., to Vancouver, Wash.". Caption on back reads: "New Interstate Bridge. This new Interstate Bridge, spanning the Columbia River, connecting Portland, Oregon and Vancouver, Washington, is now being constructed. The very latest type of bridges, which is the greatest of bridge engineering at this time, is one of the interesting features of the New Pacific Highway.". Published by Lipschuetz & Katz, Portland, Oregon. Card #194. In the private collection of Lyn Topinka.
Date	2 July 2013, 18:47:06
Source	http://columbiariverimages.com/Regions/Places/interstate-5_bridge.html
Author	Lipschuetz & Katz, Portland, Oregon. Card #194

Licensing

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.