• Faster Bridge Maps  This page show thumbnails of the bridges in all three states.  It's a big page. Here is a breakdown of all the bridge pages
•  South Carolina Bridge Maps  Topo maps of the South Carolina bridges.
• Georgia Bridge Maps  Topo maps of the Georgia bridges.
• Flordia Atlantic Bridge Maps  Topo maps of the Florida Atlantic bridges.
• Florida Gulf Bridge Maps  Topo maps of the Florida Gulf bridges.
• Slow Bridges  Is a giant slow page with TopoZone.com maps of all the bridges.  This is slow but we love it.  Might be fun with DSL.

Association for Bridge Construction and Design has pictures like this and a great set of bridge resource links.

• Here is the National Bridge Inventory.

• Operation of Movable Bridges

• Covered Bridges of Georgia

• Bridge Builder Magazine

I can resist this picture of the Sunshine Skyway (St Pete) from the Florida Marine Research Institute: