The Regency Bridge, locally known as the "Swinging Bridge," is a one-lane suspension bridge over the Colorado River in Texas. It is located at the intersection of Mills County Road 433 and San Saba County Road 137, both gravel roads, near a small community called Regency. The bridge spans the Colorado River between Mills and San Saba counties.

The Colorado River is an approximately 862-mile-long (1,387 km) river in the U.S. state of Texas. It is the 11th longest river in the United States and the longest river with both its source and its mouth within Texas.