The longest timber truss bridge in North America is under construction in Alaska at the right edge of the photo(not visible) where Spencer Glacier/Lake and the Placer River meet.  U.S. Forest Service photo by Charles Lindemuth
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/41284017@N08">U.S. Department of Agriculture</a>
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<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/41284017@N08/7180839177">Spencer Glacier-Placer River panorama</a>