At the entrances there are stationary ST-6035 inspection radio-technical complexes of the Directorate of Departmental Security of the Russian Ministry of Transport. They are also check cars for explosives.
Gravity is what holds the spans in place. An underwater explosion could have lifted the span(s) up and off their supports
140 posted on 10/08/2022 7:09:38 AM PDT by DUMBGRUNT
( "The enemy has overrun us. We are blowing up everything. Vive la France!"Dien Bien Phu last messa)