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The Isaiah David Hart Bridge is a
"World's Longest Bridge Spans"
National Steel Bridge Alliance, May 24, 1999
The bridge has traditionally been painted green and is often referred to as "The Green Monster" by locals. Daily traffic averages 52,000 vehicles. The stretch of highway between downtown and Beach Boulevard is known as the Commodore Point Expressway, but more commonly referred to by locals as the Hart Bridge Expressway.
The bridge is a steel
File:Hart Bridge in Jacksonville.jpg, Hart Bridge view from
City of Jacksonville article about the bridges
{{Jacksonville attractions Bridges in Jacksonville, Florida Bridges over the St. Johns River Road bridges in Florida Steel bridges in the United States Continuous truss bridges in the United States Bridges completed in 1967 Former toll bridges in Florida Southside, Jacksonville U.S. Route 1 Bridges of the United States Numbered Highway System 1967 establishments in Florida Cantilever bridges in the United States
truss bridge
A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or ...
that spans the St. Johns River
The St. Johns River ( es, Río San Juan) is the longest river in the U.S. state of Florida and its most significant one for commercial and recreational use. At long, it flows north and winds through or borders twelve counties. The drop in eleva ...
in Jacksonville, Florida
Jacksonville is a city located on the Atlantic coast of northeast Florida, the most populous city proper in the state and is the largest city by area in the contiguous United States as of 2020. It is the seat of Duval County, with which the ...
. It carries U.S. Route 1 Alternate (US 1 Alt.) and State Road 228 (SR 228). It is named after Isaiah Hart
Isaiah David Hart (November 6, 1792 – September 4, 1861) was an American plantation owner, and the founder of Jacksonville, Florida. Originally from Georgia, Hart took up arms against Spain in the Patriot Rebellion of 1812. After moving to a lo ...
, the founder of Jacksonville. It was designed by Sverdrup & Parcel
Sverdrup & Parcel was an American civil engineering company formed in 1928 by Leif J. Sverdrup and his college engineering professor John I. Parcel. The company worked primarily in a specialty field of bridges. The company's headquarters was ...
.Durkee, Jackson"World's Longest Bridge Spans"
National Steel Bridge Alliance, May 24, 1999
History
The Isaiah David Hart Bridge was completed in 1967 at a cost of $8.83 million. The official name of the bridge is the Isaiah David Hart Bridge after the founder of Jacksonville,Isaiah Hart
Isaiah David Hart (November 6, 1792 – September 4, 1861) was an American plantation owner, and the founder of Jacksonville, Florida. Originally from Georgia, Hart took up arms against Spain in the Patriot Rebellion of 1812. After moving to a lo ...
. The bridge was built on a bond to be paid off with tolls until they were lifted in 1989. The bridge helped relieve congestion from the Mathews Bridge
The Mathews Bridge is a cantilever bridge in Jacksonville, Florida, which spans the St. Johns River. Constructed in 1953, the bridge brings traffic along the Arlington Expressway between downtown Jacksonville and the Arlington neighborhood. It ...
and the Main Street Bridge. In 1999 the Hart Bridge was ranked 19th as one of the longest cantilever bridge
A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers). For small footbridges, the cantilevers may be simple beam (structure), beams; however, large cantilever ...
s in the world.
Details
The bridge has traditionally been painted green and is often referred to as "The Green Monster" by locals. Daily traffic averages 52,000 vehicles. The stretch of highway between downtown and Beach Boulevard is known as the Commodore Point Expressway, but more commonly referred to by locals as the Hart Bridge Expressway.
The bridge is a steel cantilever bridge
A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers). For small footbridges, the cantilevers may be simple beam (structure), beams; however, large cantilever ...
which is a type of continuous truss bridge
A continuous truss bridge is a truss bridge which extends without hinges or joints across three or more supports. A continuous truss bridge may use less material than a series of simple trusses because a continuous truss distributes live loads ...
. The bridge's main span is uncommon for a cantilever bridge in that the truss over the main channel tapers upward and the roadway below is suspended from the truss by steel hangers.
Gallery
TIAA Bank Field
TIAA Bank Field is an American football stadium located in Jacksonville, Florida, that primarily serves as the home facility of the Jacksonville Jaguars of the National Football League (NFL) and the headquarters of the professional wrestling prom ...
.
File:Isaiah David Hart Bridge.jpg, Driving on the Hart Bridge in 2019.
File:Below hart bridge.jpg, Underneath the Hart Bridge.
File:Isaiah D. Hart Bridge.jpg, View of the Hart Bridge from the Eastside.
File:Hart bridge at night.jpg, Hart Bridge at night.
See also
* * * *List of crossings of the St. Johns River
This is a list of bridges and other crossings of the Saint Johns River.
Crossings
See also
*
*
*
* List of crossings of the Aucilla River
* List of crossings of the Halifax River
* List of crossings of the Ochlockonee River
* List of crossi ...
References
External links
*City of Jacksonville article about the bridges
{{Jacksonville attractions Bridges in Jacksonville, Florida Bridges over the St. Johns River Road bridges in Florida Steel bridges in the United States Continuous truss bridges in the United States Bridges completed in 1967 Former toll bridges in Florida Southside, Jacksonville U.S. Route 1 Bridges of the United States Numbered Highway System 1967 establishments in Florida Cantilever bridges in the United States