Take on the role of chief engineer and begin large-scale construction! In the exciting online game Bridge Builder 3D you will have to design and build a wide variety of types of bridges. Game mechanics require a deep understanding of physics and load. You need to choose the right materials and accurately design the structures so that your structures can withstand different models of cars. You will build arched, beamed and suspended crossings, connecting the banks over chasms and rivers. Use your creativity and engineering talent to create the most durable and impressive structures in the 3D world of Bridge Builder 3D.