Home » Top 1000 Bridge Pictures » Isleton Bridge over the Sacramento River in Isleton, California, 2012 by Carol M. Highsmith. Share this on Facebook download .zip with all pictures It is the counterweight that continuously balances the span when lifting up. Related Posts A bridge crossing another on the Feather River Route The George Washington Bridge Hite Crossing, US-95 @ the Colorado River, Utah, USA. Photo by Christian Mehlführer Latest Comments Oasi October 2, 2016 what are the grey shapes at each end of the yellow span? Comments are closed.