Complex sentence: Pat Tillman Memorial Bridge, also known as the Hoover Dam Bypass, provides a crossing of the Colorado River for U.S. Route 93, linking the U.S. states of Nevada and Arizona downstream from the Hoover Dam.
Split into simpler sentences: Pat Tillman Memorial Bridge, also known as the Hoover Dam Bypass, is a bridge that provides a route across the Colorado River for U.S. Route 93. The project links the U.S. states of Nevada and Arizona by spanning the Colorado River downstream from the Hoover Dam.