Question

Which statement best describes the importance of joints in the roadways of Bridges ?

a. Joints strengthen the roadway to support cars and trucks

b. Joints allow the roadway to expand and

contract with varying outside temperatures

c. Joints allow the roadway to expand and contract as cars put force on the bridge

d. Joints allow the bridge to be built in smaller, easier to assemble pieces.

Answer 1

I think the answer is A but I could be wrong but I think the answer is A. please let me know if I am wrong.

Answer 2

c. Joints allow the roadway to expand and contract as cars put force on the bridge

Step-by-step explanation:

Joints in the roadways of bridges allows for the roadway to expand and contract as cars put force on the bridge.

The force on the bridge and the ambient temperature causes expansion of the materials used in making the bridge.

• Joints allows and accommodate the expansion.
• As the force is removed and temperature reduces, the road also contracts.