Tower Bridge Gunter made a split-second decision to accelerate, clearing a gap to drop onto the north bascule, which had not yet started to rise. There were no serious injuries. Gunter was given £10 (equivalent to £ in ) by the City Corporation to honour his act of bravery. The Hawker Hunter Tower Bridge incident occurred on 5 April 1968 when a Royal Air Force Hawker Hunter FGA.9 jet fighter from No. 1 Squadron, flown by Flt Lt Alan Pollock, flew through Tower Bridge. Unimpressed that senior staff were not going to celebrate the RAF's 50th birthday with a fly-past, Pollock decided
Grand Tower Pipeline Bridge out across the river where welders connected them together. Each pipe weighs 5 tons and it took 72 pipes to span the river, adding to around 360 tons of dead weight. The abutments to support this weight go to the bedrock, 50 feet deep on the Illinois side and 154 feet on the Missouri side. The site at Grand Tower/Wittenberg was chosen because the river is narrow and deep there, and the limestone bedrock could be easily reached. Grand Tower Pipeline Bridge The Grand Tower Pipeline Bridge is a suspension bridge carrying a natural gas pipeline across the Mississippi River