Isaiah D. Hart Bridge | |
|---|---|
 The Hart Bridge from the south bank | |
| Coordinates | 30°18′54″N 81°37′36″W / 30.315°N 81.6266°W |
| Carries |    US 1 Alt. / SR 228(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 | 1,171.7 metres (3,844 ft) |
| Width | 19.7 metres (65 ft) |
| Longest span | 331.6 metres (1,088 ft) |
| Clearance above | 6.14 metres (20.1 ft) |
| Clearance below | 42.9 metres (141 ft) |
| History | |
| Opened | November 2, 1967 |
| Location | |
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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.
- ^ Durkee, Jackson, "World's Longest Bridge Spans", National Steel Bridge Alliance, May 24, 1999