The Main Street Bridge is located at the St. Johns River west of Jacksonville, Florida. The Main Street Bridge is also commonly referred to as the “Rehab” bridge due to its joint rehabilitation. This bridge spans over twenty-two railroad tracks and has a swing span that allows up river traffic to pass through, allowing for more than one vessel to pass at a time. This bridge is currently expected to stay in service until 2021.
The Main Street Bridge also known as John T. Alsop Jr. Bridge is Florida’s longest bridge, was the first bridge built in Jacksonville. It was built on top of a steel truss and opened for traffic on December 21, 1914. The original Main Street Bridge had six vehicle lanes and two streetcar tracks. A major renovation project began in 1972, at which time the bridge’s superstructure was replaced entirely while maintaining the authenticity of its central towers and swing span. Today, this historic landmark serves more than 90,000 vehicles daily and is officially named Main Street Bridge (Rehab).
The Mathews Bridge connects downtown Jacksonville with Atlantic Beach, Florida, over the Intracoastal Waterway. It is named after Lemuel Purnell Mathews, Sr., mayor of Jacksonville from 1905-1907.
The Mathews Bridge is a two-lane concrete arch bridge over the Intracoastal Waterway. Completed in 1973, it spans 1,388 feet and rises about 92 feet above the water. The main span is 300 feet long and 52 feet wide, with a 48-foot roadway that provides 12 feet of vertical clearance at mid-span. There are also six 24-foot side spans at each end of the structure, giving this beautiful structure its “arch” shape as it crosses over the waterway.
A significant focus for the Jacksonville Transportation Authority (JTA) has been to provide safe and reliable transportation across all types of roadways for customers and neighbors throughout all counties – whether using mass transit, carpools, pedestrians, through traffic or alternate routes. Even in this era of sometimes harsh criticism of government agencies and their projects, the JTA’s Central Parkway Overpass has come in for many accolades from various sources.
The Mathews Bridge Jacksonville, FL is located at the St. Johns River and connects downtown Jacksonville at Market street with the San Marco neighborhood. This bridge opened on January 10, 1990, and was named for 32nd Governor of Florida, Ruben Anthony (Tony) Matthews (1917-1989). This bridge cost about 21 million dollars to construct. It provides two lanes of traffic and a sidewalk on its northern side. The bridge was thoroughly rehabilitated in 2015, including replacing structural steel, resurface both decks, new lighting, painting the entire structure white, and installing a security fence along its eastern edge.
The Hart Bridge, also known as the Jacksonville Memorial Bridge, is a 3-lane automobile bridge over the St. Johns River connecting downtown to the Arlington neighborhood of Jacksonville. It was built by Howard Development and designed by George L. Dudley, P.E., FAP, with consulting engineer William H. Parker. Opened in 1969, it is the southernmost crossing of the St. Johns River before southerly direction traffic enters the Florida Turnpike to head for Miami. It is named for former mayor and Florida governor Fuller Warren.
The main span consists of eight concrete tied-girder open-spandrel frames, each about 10 meters deep. The girder web consists of a single top chord with pairs of bottom chords below. It has three expansion spans, two at each end consisting of 2 box beams supporting them through steel girders. The main river crossing is 375 meters long and carries four lanes of traffic and a sidewalk on both sides. Two flanking piers rise to 27 meters above mean high water. They can be seen from land or air for many miles around their location near the mouth of the St. Johns River and along its entire stately course through Jacksonville’s Southbank business and leisure districts. Plans to replace the bridge have been discussed for many years. The bridge’s orientation is diagonal to vehicular traffic going southbound. A new bridge would have a similar design but a more northern orientation, which engineers say will be easier for the blind and partially-sighted to navigate.
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