The Fort Denaud Bridge crosses the Caloosahatchee Waterway on Fort Denaud Bridgeway which is a turn off of Florida State Route 78A. The Fort Denaud area lies between Alva and LaBelle. It is the site of a fort from the Seminole War and a long abandoned village. The bridge is a metal rivet connected Warren (no verticals)pony truss, movable: swing (rim bearing center pier bridge and approach spans. The trough is of steel construction. Piers are made of concrete. This bridge was previously used on the Intracoastal Waterway at Pompano Beach. It was erected in Fort Denaud in 1963. Bridge was constructed by Powell Brothers, Fort Lauderdale, Florida
Bridge statistics are main span length 191 feet; structure length 435 feet. Roadway width is 18 feet. There is one main span and 5 approach spans.
The current bridge Was a replacement of a prior bridge that was located upstream. This was demolished in the early 1960’s.