Complex sentence: Past the intersection with Waiānuenue Avenue (Route 200, known as the Saddle Road), Route 19 crosses over the Wailuku River via a converted railroad plate girder bridge with a metal grate roadway that causes tires to "sing" as vehicles pass over it.
Split into simpler sentences: Past the intersection with Waiānuenue Avenue (Route 200, known as the Saddle Road), Route 19 crosses over the Wailuku River. The "Singing" or "Whistling Bridge" a converted railroad plate girder bridge with a metal grate roadway that causes tires to "sing" as vehicles pass over it.