Detailed article with history and photos of this feature on US 25E at the Kentucky-Tennessee border.

Official site for the authority in charge of the Lake Pontchartrain Causeway, the longest bridge in the U.S. to go completely over water, near New Orleans, Louisiana. Site contains information on the TollTag electronic toll collection system and other toll information as well as police department information and structure history.

Photos of the abandoned Harahan Bridge in Memphis.

The electronic toll collection system for the bridges in Lee County in Southwest Florida.

A new toll bridge connecting Destin to Niceville in Florida.

A new toll bridge bypassing Pensacola, Florida, to the east.

Director of Engineering of Louisiana's Lake Pontchartrain Causeway. Page includes recent and historic photographs.

Information about the collapse of the original structure in Saint Petersburg, Florida in 1980.

Information about the new cable-stayed span over the Mississippi River from Arkansas to Mississippi, including project updates, historical information about the current and new bridges, and a live webcam.

The official site for the Woodrow Wilson Bridge replacement project on the Capital Beltway on the south edge of Washington, D.C.