Hart Bridge
Isaiah D. Hart Bridge | |
|---|---|
 The Hart Bridge from the south bank | |
| Coordinates | 30°18′54″N 81°37′37″W / 30.315°N 81.627°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 | 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 |
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/State Road 228. It is named after Isaiah Hart, the founder of Jacksonville. It was designed by Sverdrup & Parcel.[1]
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.[citation needed] 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.
References
- ^ Durkee, Jackson, "World's Longest Bridge Spans", National Steel Bridge Alliance, May 24, 1999
- ^ "SUNDAY MORNING RIVER RUNNER". Jacksonville.com.
- ^ Jax Air News
External links
Crossings of the St. Johns River | ||||
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- Bridges in Jacksonville, Florida
- Bridges over the St. Johns River
- Cantilever bridges
- Road bridges in Florida
- Steel bridges in the United States
- Truss bridges in the United States
- Bridges completed in 1967
- Former toll bridges in Florida
- Southside, Jacksonville
- U.S. Route 1
- Bridges on the United States Numbered Highways
- Southern United States bridge (structure) stubs
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