Complex sentence: In 1992, the longest suspended pedestrian skybridge in North America, with a length of 660 feet, opened on the Marquam Hill campus, connecting OHSU and the Veteran's Affairs Medical Center.
Split into simpler sentences: In 1992, the longest suspended pedestrian skybridge in North America was opened on the Marquam Hill campus, with a length of 660 feet. The bridge connects OHSU and the Veteran's Affairs Medical Center.