How much pressure can a 5-meter red brick arch bridge bear?

Bearing capacity of 6.4 tons. According to the inquiry, the network shows that the five-meter-long brick arch bridge bears 6.4 tons, and the 10-meter-long brick arch bridge bears 2 tons. Arches can be flat or three-dimensional, and can be part of a circle or cylinder, sometimes a sphere, a parabola or an ellipse.