Movable bridges are vestiges of an earlier time. Some, like Beaufort's iconic Woods Memorial Bridge, are expected to still be operating 100 years from now.

Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch ...

A golden age of movable bridges happened in SC from the '30s through the '50s. While the 7 remaining movable bridges are aging, at least a few will be in service for a long time to come.