Units from 37 were operating on the Beltway when command decided they wanted to an elevated platform to operate under the bridge safely. This alerted Tower 7 at 2344hrs to the scene. Tower 7 and Chief 7A responded with 7 personnel, once on the scene command ordered the crew to set up the Tower to flow high amounts of water to knock out the wood walkways that State Highway had under the bridge to catch falling concrete. The Tower set up and operated for about 90 minutes getting supplied from engine 371 and tanker 74. Tower 7 and Chief 7A cleared the scene just before 0200hrs.