The Hal W. Adams Bridge, built in 1947, is an historic bridge that carries Florida State Road 51 across the Suwannee River

Suwannee River

The Suwannee River is a major river of southern Georgia and northern Florida in the United States. It is a wild blackwater river, about long. The Suwannee River is the site of the prehistoric Suwannee Straits which separated peninsular Florida from the panhandle.-Geography:The river rises in the...

 between Lafayette

Lafayette County, Florida

Lafayette County is a county located in the state of Florida. As of 2000, the population was 7,022. It is the second least populated county in the state, having one more resident, according to the 2000 census, than Liberty County, Florida. The U.S. Census Bureau 2005 estimate for the county is...

 and Suwannee

Suwannee County, Florida

Suwannee County is a county located in the state of Florida. As of 2000, the population was 34,844. The U.S. Census Bureau 2005 estimate for the county was 38,624 . Its county seat is Live Oak, Florida. Suwannee County was a dry county until August, 2011.....

 counties, Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

. Located 3 miles north of Mayo

Mayo, Florida

Mayo is a town and the only municipality in Lafayette County, Florida, United States. The population was 988 at the 2000 census. As of 2004, the population recorded by the U.S. Census Bureau is 1,009...

, it was the first suspension bridge

Suspension bridge

A suspension bridge is a type of bridge in which the deck is hung below suspension cables on vertical suspenders. Outside Tibet and Bhutan, where the first examples of this type of bridge were built in the 15th century, this type of bridge dates from the early 19th century...

built in Florida, and the only one to carry highway traffic. At its opening on July 4, 1947, it was named for Hal W. Adams of Mayo, former county judge of Lafayette County and then longtime circuit judge for the circuit encompassing both Lafayette and Suwannee counties.
In 1989, the Hal W. Adams Bridge was listed in A Guide to Florida's Historic Architecture, published by the University of Florida Press.