You would think they could put a 10ft 6in. HIGHT BAR the same as the bridge about 25 ft in both directions BEFORE the bridge, make it out of solid ALUMINUM with sign and flashing lites on top. if one side just breaks away on impact with the other side HINGED that would get their attention without causing any debris being tossed in the roadway. That would be better than hitting and getting jammed under that bridge.