Alabama State Route 180 Gulf of Mexico through both Gulf Shores and Orange Beach en route to its eastern terminus at East Oak Ridge Drive. Alabama State Route 180 State Route 180 is a state highway that serves as a west-to-east highway in Baldwin County, and travels between the cities of Fort Morgan and Orange Beach. It, along with State Route 182, is one of two state routes in the southern part of the county between the Intracoastal Waterway and the Gulf of Mexico. It goes through Gulf Shores, but the route does not reach the Florida border. State Route 180 begins at the
Miami River (Florida) prevent salt water from traveling inland. The Miami River also became polluted. In 1897, Miami's first sewer line started emptying directly into the river. By the 1950s, 29 sewers were dumping untreated sewage into the river. Dade County constructed a sewage treatment plant on Virginia Key in the 1950s and connected sewer lines to it, routing the raw sewage away from the river. The Miami River is likely the shortest working river in the United States. The Center for Urban & Environmental Solutions reported in 2008: "Waterborne commerce through the Miami River port doubled between an annual level of about