Overweigh trucks may cause cracks on bridge piers of expressways, and even the collapse of the bridge. Some data suggests that approximately 60% of the damage to the concrete floor slabs of bridges is attributable to overweight trucks, which account for only 0.7% of all traffic and it is a serious issue for the protection of roads.
Traffic of overweighting trucks and their effects on the concrete floor slabs of bridges
Prepared from a document of the Ministry of Land, Infrastructure and Transport
Kinds of overweighting trucks
Specially permitted commercial vehicles | Permitted vehicles | 40% |
Non-permitted and illegal vehicles | 60% |
Illegal and overloaded vehicles |
Cited from the 2000 Road Traffic Control Statistics, number of overweighting trucks arrested