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Hart Bridge
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Hart Bridge
Isaiah D. Hart Bridge
HartBridgeJax.jpg
The Hart Bridge from the south bank
Coordinates
Carries
/
(four general purpose lanes)
Crosses St. Johns River
Locale Jacksonville, Florida
Official name Isaiah David Hart Bridge
Maintained by Florida Department of Transportation
ID number 720107
Characteristics
Design Continuous truss bridge
Total length 1171.7 meters (3844 feet)
Width 19.7 meters (65 feet)
Longest span 331.6 meters (1088 feet)
Clearance above 6.14 meters (20.1 feet)
Clearance below 42.9 meters (141 feet)
History
Opened November 2, 1967 (1967-11-02)

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. It was designed by Sverdrup & Parcel.[1]

History

The Isaiah David Hart Bridge was completed in 1967 at a cost of $8.8 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] The westbound end of the bridge delivers drivers to downtown Jacksonville or Martin Luther King Expressway, while the eastbound end sends motorists to Beach Boulevard. Daily traffic is 52,000 vehicles.[6] The stretch of highway between downtown and Beach Blvd. 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.

Gallery

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 2018. 
  3. ^ "Seven Bridges: Hart Bridge". costaljax.com. Retrieved 2018. 
  4. ^ "SUNDAY MORNING RIVER RUNNER". Jacksonville.com. 
  5. ^ Jax Air News Archived 2006-10-18 at the Wayback Machine.
  6. ^ Strickland, Sandy. "Call Box: At 50, Hart has carried vehicles, runners and movie cameras". Jacksonville.com. Retrieved 2018. 

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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