Hart Bridge
| Isaiah D. Hart Bridge | |
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 The Hart Bridge from the southbank |
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| Official name | Isaiah David Hart Bridge |
| Carries | four general purpose lanes |
| Crosses | St. Johns River |
| Locale | Jacksonville, Florida |
| Maintained by | Florida Department of Transportation |
| ID number | 720107 |
| Design | continuous steel through truss bridge |
| Total length | 1171.7 meters (3844 feet) |
| Width | 19.7 meters (65 feet) |
| Longest span | 331.6 meters (1088 feet) |
| Vertical clearance | 6.14 meters (20.1 feet) |
| Clearance below | 42.9 meters (141 feet) |
| Opened | November 2, 1967 |
| Coordinates | 30°18′54″N 81°37′36″W / 30.315°N 81.626666666°WCoordinates: 30°18′54″N 81°37′36″W / 30.315°N 81.626666666°W |
The Isaiah David Hart Bridge is a truss bridge that spans the St. Johns River in Jacksonville, Florida. It is named after Isaiah Hart, the founder of Jacksonville. It was designed by Sverdrup & Parcel.[1]
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[edit] Details
The bridge has traditionally been painted green and is often referred to as "The Green Monster" by locals.[2][3] 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 47,000 vehicles. 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 truss is either a cantilever or a continuous truss bridge, as it has been reported by different sources as each kind. Jackson Durkee listed the bridge as a cantilever truss in his 1999 report on longest spans.[1] Alexander Svirsky publishes a copy of the National Bridge Inventory Database at NationalBridges.com, where the Florida Department of Transportation data lists the bridge as a continuous truss.[4]
[edit] Gallery
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Eastbound approaching Hart Bridge
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Westbound on the Hart Bridge
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A sign installed when the Hart Bridge was tolled, with greenout reflecting the removal of tolls
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Picture taken below the Hart Bridge
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The Bridge at dusk
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The Bridge at night
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The Hart Bridge as viewed from the south bank.
[edit] External links
[edit] References
- ^ a b Durkee, Jackson, "World's Longest Bridge Spans", National Steel Bridge Alliance, May 24, 1999
- ^ Florida Times Union
- ^ Jax Air News
- ^ Svirsky, Alexander, NationalBridges.com, 2010.
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