Likely the actions saved the bridge. Also they carried relatively safe diesel oil.

"The professional actions of the operational services made it possible to prevent more serious damage to the Crimean bridge as a result of a truck explosion.

In particular, out of 59 wagons with fuel, only 9 burned down - this made it possible to prevent more serious damage.

This was stated by the head of the Ministry of Emergency Situations of Russia Kurenkov following the results of the scene"