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  3. Hart Bridge - Wikipedia
Hart Bridge - Wikipedia
Coordinates: 30°18′54″N 81°37′36″W / 30.315°N 81.6266°W / 30.315; -81.6266
From Wikipedia, the free encyclopedia

Isaiah D. Hart Bridge
The Hart Bridge from the south bank
Coordinates30°18′54″N 81°37′36″W / 30.315°N 81.6266°W / 30.315; -81.6266
Carries
 US 1 Alt. / SR 228
(four general purpose lanes)
CrossesSt. Johns River
LocaleJacksonville, Florida
Official nameIsaiah David Hart Bridge
Maintained byFlorida Department of Transportation
ID number720107
Characteristics
DesignContinuous truss bridge
Total length1,171.7 metres (3,844 ft)
Width19.7 metres (65 ft)
Longest span331.6 metres (1,088 ft)
Clearance above6.14 metres (20.1 ft)
Clearance below42.9 metres (141 ft)
History
OpenedNovember 2, 1967 (1967-11-02)
Location
Map
Interactive map of Isaiah D. Hart Bridge

The Isaiah David Hart Bridge is a truss bridge that spans the St. Johns River in Jacksonville, Florida. It carries U.S. Route 1 Alternate (US 1 Alt.) and State Road 228 (SR 228). It is named after Isaiah Hart, the founder of Jacksonville and is often referred to as the Hart Bridge. It was designed by Sverdrup & Parcel.[1] The Hart Bridge is one of the longest truss bridges in the world, and has the world's third longest main span of any truss bridge.

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. 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 and the Main Street Bridge.[2] In 1999 the Hart Bridge was ranked 19th as one of the longest cantilever bridges in the world.[3]

Details

Interior view of the Hart Bridge.

The bridge has traditionally been painted green and is often referred to as "The Green Monster" by locals.[4][5] Daily traffic averages 52,000 vehicles.[6] 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 which is a type of continuous truss bridge. 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.

  • Hart Bridge view from TIAA Bank Field.
    Hart Bridge view from TIAA Bank Field.
  • Driving on the Hart Bridge in 2019.
    Driving on the Hart Bridge in 2019.
  • Underneath the Hart Bridge.
    Underneath the Hart Bridge.
  • View of the Hart Bridge from the Eastside.
    View of the Hart Bridge from the Eastside.
  • Hart Bridge at night.
    Hart Bridge at night.

See also

References

  1. ^ Durkee, Jackson, "World's Longest Bridge Spans", National Steel Bridge Alliance, May 24, 1999
  2. ^ "Call Box: Hart Bridge has a distinctive history and a heady aroma". Jacksonville.com. Retrieved January 18, 2018.
  3. ^ "Seven Bridges: Hart Bridge". thecoastal.com. Retrieved January 18, 2018.
  4. ^ "SUNDAY MORNING RIVER RUNNER". Jacksonville.com. Archived from the original on August 12, 2011. Retrieved October 14, 2008.
  5. ^ Jax Air News Archived October 18, 2006, at the Wayback Machine
  6. ^ Strickland, Sandy. "Call Box: At 50, Hart has carried vehicles, runners and movie cameras". Jacksonville.com. Retrieved January 18, 2018.
Wikimedia Commons has media related to Hart Bridge.
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