Interstate 275 (I-275), located in Florida, is a 60-mile-long (97 km) auxiliary Interstate Highway serving the Tampa Bay area. Its southern terminus is at I-75 near Palmetto, where I-275 heads west towards the Sunshine Skyway Bridge crossing over Tampa Bay. From that point, I-275 passes through St. Petersburg before crossing Tampa Bay again on the Howard Frankland Bridge, then continues through the city of Tampa, where it connects to an interchange with I-4 in Downtown Tampa. After the interchange, I-275 passes north through the Tampa suburbs to its northern terminus at I-75 in Wesley Chapel.
State Road 60 is an east–west route transversing Florida from the Gulf of Mexico to the Atlantic Ocean. The western terminus of SR 60 is at the Sunsets at Pier 60 site in Clearwater Beach. The eastern terminus is in Vero Beach near the Atlantic Coast just past State Road A1A.
The W. Howard Frankland Bridge is the central bridge spanning Old Tampa Bay from St. Petersburg, Florida to Tampa, Florida. It is one of three bridges connecting Hillsborough County and Pinellas County; the others being Gandy Bridge and Courtney Campbell Causeway. The bridge carries Interstate 275 and is by far the most traveled of the bay's bridges.
State Road 913 is an access road between the village of Key Biscayne on the island of Key Biscayne and I-95 in Miami on the western end of Biscayne Bay. The only part that is state maintained is South 26th Road ; Miami-Dade County maintains the Rickenbacker Causeway across the Biscayne Bay and Virginia Key to Key Biscayne. Inside the village of Key Biscayne, the roadway is known as Crandon Boulevard after it crosses Bear Cut. Mile markers are posted along the entire route, with zero at the entrance to Bill Baggs Cape Florida State Park at the south end of Crandon Boulevard.
The Pinellas Bayway System is a series of bridges on two state roads in Pinellas County, Florida. It is a toll road complex maintained and operated by the Florida Department of Transportation. It also is compatible with the SunPass ETC system currently in use on all other FDOT-owned toll roads. The Pinellas Bayway consists of:
State Road A19A was a highway loop in the southern portion of Pinellas County, Florida. The southern terminus was at an intersection with 54th Avenue South, 34th Street South and Interstate 275/SR 93 in St. Petersburg, just north of the Sunshine Skyway. The northern terminus was an intersection with US 19 in Largo.
Treasure Island Causeway is a series of three bridges crossing Boca Ciega Bay between Treasure Island and St. Petersburg in Pinellas County, Florida. The bridge, which carries County Road 150 (CR 150), is owned and maintained by the City of Treasure Island, which used to charge all motorists $1.00 toll, until June, 2006, when the first span of the bridge was reopened with no toll booth. Residents of two St. Petersburg waterfront communities used to pay a $10 annual road tax to the City of Treasure Island to help support road and median maintenance. That tax was eliminated in the spring of 2007. Treasure Island's ownership of the causeway in St. Petersburg was part of a land agreement entered into when these two cities were born: St. Petersburg's founding fathers purchased the Municipal Beach on the shores of the neighboring Gulf of Mexico community, Treasure Island, outside its own city limits to ensure that residents would have direct access to the Gulf of Mexico for generations to come. The western terminus is an intersection with Gulf of Mexico Boulevard in Treasure Island.
State Road 693 is a 11.6-mile-long (18.7 km) north–south street serving southern Pinellas County, Florida. Locally known as 66th Street, Pasadena Avenue, and A19A, the southern terminus is an intersection with Blind Pass Road and Gulf Way in St. Pete Beach, near the southern end of the Corey Causeway; the northern terminus is an intersection with U.S. Route 19 within the Largo city limits.
State Road 686 is an east–west route in Pinellas County, running from U.S. Route 19 Alternate in Largo east to an intersection with SR 687 and SR 694 in St. Petersburg, Florida. Originally, SR 686 extended further west, ending at Gulf Boulevard in Belleair Beach, next to the shores of the Gulf of Mexico.
State Road 789 is a 17.5-mile-long road along the Florida’s Gulf Coast that spans Bird Key, St. Armands Key, and Lido Key, in Sarasota; Longboat Key ; and Anna Maria Island. The southern terminus is the intersection of the John Ringling Causeway and the Tamiami Trail in Sarasota; the northern terminus is the intersection of Gulf Drive, North and Manatee Avenue., West in Holmes Beach. Much of the northernmost five miles (8 km) has been designated Bradenton Beach Scenic Highway.
State Road 694 (SR 694) is an east–west route in Pinellas County, running from SR 693 in Pinellas Park to U.S. Route 92 in St. Petersburg.
The Clearwater Memorial Causeway byway is a six-lane road between downtown Clearwater and Clearwater Beach, Florida, and includes a bi-fixed-span bridge across the Intracoastal Waterway. Constructed out of Concrete coated in bio-degradable Ceramic Polyethylene. It carries the State Road 60 designation and is known for its greenways and pedestrian walkways and elegant bridge appearance and structure. The road is also a major evacuation route during hurricane season.
U.S. Route 19 Alternate is a 37.1-mile (59.7 km) former section of U.S. Route 19 from St. Petersburg, Florida to Holiday.
State Road 666 (SR 666) is a short state road in Pinellas County. Locally known as Tom Stuart Causeway, Welch Causeway, or Madeira Beach Causeway, the route crosses Boca Ciega Bay from Seminole to Madeira Beach. The bridge crossing Boca Ciega Bay is a bascule bridge with 11 spans, built in 1962. The route ends with an interchange with U.S. Route 19 Alternate in Bay Pines. The southwestern terminus of the route is at State Road 699 in Madeira Beach, in front of the Ocean Sands hotel.
The Corey Causeway is a series of three twin-span bridges that cross the Boca Ciega Bay, part of the Gulf Intracoastal Waterway. The causeway carries SR 693. The two east bridges are fixed bridges, and the west bridge is a double-leaf bascule bridge. It connects the barrier islands of St. Pete Beach and the mainland of South Pasadena, Florida. The westbound span of the Corey Causeway was built in 1966, and the eastbound span was built in 1975, which replaced the original causeway built in the 1930s.
The Park Boulevard Bridge is a double-leaf bascule bridge that crosses the Narrows, part of the Gulf Intracoastal Waterway, connecting the barrier islands of Indian Shores and the mainland of Seminole, Florida. The bridge carries Park Boulevard, part of CR 694. The bridge was built in 1981. It had a toll, but ten years later, the tolls were removed.
The Indian Rocks Causeway is a twin-span double-leaf bascule bridge that crosses the Narrows, part of the Gulf Intracoastal Waterway, connecting the barrier islands of Indian Rocks Beach and the mainland of Largo, Florida. The bridge carries Walsingham Road, part of SR 688. The eastbound span of the Indian Rocks Causeway was built in 1958, replacing the original swing bridge built in 1916, and the westbound span was built in 1999.
The Belleair Causeway is a concrete girder bridge that crosses the Intracoastal Waterway, connecting the barrier islands of Belleair Beach and the mainland of Largo, Florida. The bridge carries West Bay Drive, part of CR 416, and was built in 2009, replacing a double-leaf bascule bridge built in 1950.
The Sand Key Bridge is a girder bridge that crosses the Clearwater Pass, connecting Clearwater and Belleair Beach, Florida. The bridge carries Gulf of Mexico Boulevard, part of SR 699, and it was built in 1995, replacing the original bascule bridge built in the 1960s.
The Dunedin Causeway is a series of three bridges that cross the St. Joseph Sound, part of the Gulf Intracoastal Waterway, connecting the barrier islands of Honeymoon Island State Park and the mainland of Dunedin, Florida. The causeway carries CR 586 and it was built in 1963.
SR 682 in St. Pete Beach 
SR 666 in Madeira Beach 
SR 688 in Indian Rocks Beach 
