Dearborn Street Bridge (a.k.a. 12th Ave. S. Bridge, and now Jose P. Rizal Bridge), Seattle, Washington, U.S., under construction, 1917. Dearborn Street under construction under the bridge.
There's no directional info with the original negative but the Municipal Archivist's office says that looking southeast (rather than northwest) seems like a good assumption.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/24256351@N04">Seattle Municipal Archives</a> from Seattle, WA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/seattlemunicipalarchives/47973061887/">Dearborn Street Bridge under construction, 1917</a>