Floor Joist Bridging Spacing. Most common spacing for floor joists is 16” o.c. In the case of floor joists, bridging the joists together with blocks distributes the load share of the floor.

Joist bridging is the right term for bracing between floor joists, but it doesn’t usually look like what you have.typically, the bridging consists of solid pieces of. Do floor joists need to line up with studs? This can cause it to rub against a popped nail.