The General Douglas MacArthur Causeway is a six-lane

causeway A causeway is a track, road or railway on the upper point of an embankment across "a low, or wet place, or piece of water". It can be constructed of earth, masonry, wood, or concrete. One of the earliest known wooden causeways is the Sweet Tra ...

that connects

Downtown Miami Downtown Miami is the urban city center of Miami, Florida. The city's greater downtown region consists of the Central Business District, Brickell, the Historic District, Government Center, the Arts & Entertainment District, and Park West. It ...

South Beach South Beach, also nicknamed colloquially as SoBe, is a neighborhood in Miami Beach, Florida. It is located east of Miami between Biscayne Bay and the Atlantic Ocean. The area encompasses Miami Beach south of Dade Boulevard. This area was the fi ...

via

Biscayne Bay Biscayne Bay () is a lagoon with characteristics of an estuary located on the Atlantic coast of South Florida. The northern end of the lagoon is surrounded by the densely developed heart of the Miami metropolitan area while the southern end is la ...

Miami-Dade County Miami-Dade County is a county located in the southeastern part of the U.S. state of Florida. The county had a population of 2,701,767 as of the 2020 census, making it the most populous county in Florida and the seventh-most populous county in ...

. The highway is the singular roadway connecting the

mainland Mainland is defined as "relating to or forming the main part of a country or continent, not including the islands around it egardless of status under territorial jurisdiction by an entity" The term is often politically, economically and/or dem ...

and beaches to Watson Island and the bay neighborhoods of Palm Island,

Hibiscus Island Hibiscus Island is a neighborhood in the city of Miami Beach on a man-made island in Biscayne Bay, Florida, United States. Hibiscus Island lies just north of Palm Island. It is an exclusive residential neighborhood with relatively high property ...

, and Star Island. The MacArthur Causeway carries State Road 836 and

State Road A1A State Road A1A (SR A1A) is a major north–south Florida State Road that runs along the Atlantic Ocean, from Key West at the southern tip of Florida, to Fernandina Beach, just south of Georgia on Amelia Island. It is the main road through m ...

over the Biscayne Bay via a

girder bridge A girder bridge is a bridge that uses girders as the means of supporting its deck. The two most common types of modern steel girder bridges are plate and box. The term "girder" is often used interchangeably with "beam" in reference to bridge de ...

. Interstate 395 ends at Fountain Street, the entrance to Palm Island Park which has a

traffic light Traffic lights, traffic signals, or stoplights – known also as robots in South Africa are signalling devices positioned at intersection (road), road intersections, pedestrian crossings, and other locations in order to control flows of traf ...

as well as bus stops.

History

In the late 1910s, with the deteriorating wooden

Collins Bridge The Collins Bridge was a bridge that crossed Biscayne Bay between Miami and Miami Beach, Florida. At the time it was completed, it was the longest wooden bridge in the world. It was built by farmer and developer John S. Collins (1837–1928) wi ...

(now, the

Venetian Causeway The Venetian Causeway crosses Biscayne Bay between Miami on the mainland and Miami Beach on a barrier island in the Miami metropolitan area. The man-made Venetian Islands and non-bridge portions of the causeway were created by materials which ca ...

) as the only direct land route between mainland Miami and the

barrier island Barrier islands are coastal landforms and a type of Dune, dune system that are exceptionally flat or lumpy areas of sand that form by wave and tidal action parallel to the mainland coast. They usually occur in chains, consisting of anything fro ...

s of Miami Beach, construction on the roadway began in 1917. The roadway, dedicated as the County Causeway, was completed in 1920.

Watson Island Watson Island is a neighborhood and man-made island in Biscayne Bay, in Miami, Florida. It is located Immediately east of the Central Business District and Arts & Entertainment District neighborhoods of downtown Miami and is connected to the ma ...

was

reclaimed Land reclamation, usually known as reclamation, and also known as land fill (not to be confused with a waste landfill), is the process of creating new Terrestrial ecoregion, land from oceans, list of seas, seas, Stream bed, riverbeds or lak ...

surrounding the western end of the roadway, completed in 1926. Having undergone several lane and structural expansions following opening of the original two-lane road, the State Road Board and

Dade County Commission Miami-Dade County is a county located in the southeastern part of the U.S. state of Florida. The county had a population of 2,701,767 as of the 2020 census, making it the most populous county in Florida and the seventh-most populous county in ...

voted to rename the causeway in honor of World War II

General A general officer is an Officer (armed forces), officer of highest military ranks, high rank in the army, armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers t ...

Douglas MacArthur Douglas MacArthur (26 January 18805 April 1964) was an American military leader who served as General of the Army for the United States, as well as a field marshal to the Philippine Army. He had served with distinction in World War I, was C ...

in 1942. The causeway was accessible from mainland Miami via

Biscayne Boulevard U.S. Highway 1 (US 1) in Florida runs along the state's east coast from Key West to its crossing of the St. Marys River (Florida/Georgia), St. Marys River into Georgia (U.S. state), Georgia north of Boulogne, Florida, Boulogne and south of ...

and intersecting side streets through the 1960s. Construction of direct highway access to

I-395 Interstate 395 may refer to: *Interstate 395 (Connecticut–Massachusetts), a spur from I-95 to Auburn, Massachusetts *Interstate 395 (Delaware), a proposed portion of I-95 in Delaware, when it was under construction *Interstate 395 (Florida), a spu ...

was complete in the 1970s. The replacement of the westernmost and easternmost spans began in the 1990s, as the eastbound lanes of the bridges were completed in 1995 and westbound lanes finished in 1997.

Gallery

File:MacArthur Causeway 20100520.jpg, Large portion of the causeway.

Fisher Island Fisher is an archaic term for a fisherman, revived as gender-neutral. Fisher, Fishers or The Fisher may also refer to: Places Australia * Division of Fisher, an electoral district in the Australian House of Representatives, in Queensland * Ele ...

and

Port of Miami The Port of Miami, styled as "PortMiami" but formally the Dante B. Fascell Port of Miami, is a major seaport located in Biscayne Bay at the mouth of the Miami River in Miami, Florida. It is the largest passenger port in the world, and one of the ...

are in the background.

is in the foreground. File:Macarthurcauseway.jpg, MacArthur Causeway eastbound from Miami to Miami Beach (in far background). File:Macarthur Causeway at night.jpg, Macarthur Causeway at night as seen from Watson Island

References

External links

* , 2006 {{coord, 25, 46, 40, N, 80, 9, 52, W, region:US-FL_dim:2000, display=title Roads in Miami Roads in Miami Beach, Florida Roads in Miami-Dade County, Florida Causeways in Miami-Dade County, Florida Bridges completed in 1920 Intracoastal Waterway 1920 establishments in Florida U.S. Route 41 Concrete bridges in the United States Girder bridges in the United States Road bridges in Florida Beam bridges in the United States Bridges of the United States Numbered Highway System