National Historic Civil Engineering Landmark
The original 23.86 mile-long structure, which now carries the Southbound traffic, was designed by the firm of Palmer & Baker. When opened in 1956, the structure was the longest bridge in the world by more than 15 miles. In building the bridge, which took just fourteen months, assembly-line, mass-production methods were utilized for the first time in the construction of a bridge. It was designed to employ hundreds of identical, hollow concrete pilings, concrete caps, and pre-stressed deck sections manufactured at an on-shore facility and barged into place. Engineering News-Record acclaimed the project to be "a bold venture requiring unusual foresight, ingenuity and resourcefulness." Opened: August 30, 1956 Dedicated: October 18, 2003| HM Number | HM1VTA |
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| Tags | |
| Year Placed | 2013 |
| Placed By | American Society of Civil Engineers |
| Marker Condition | No reports yet |
| Date Added | Sunday, November 20th, 2016 at 1:03pm PST -08:00 |
| UTM (WGS84 Datum) | 15R E 779300 N 3362832 |
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| Decimal Degrees | 30.36516667, -90.09403333 |
| Degrees and Decimal Minutes | N 30° 21.91', W 90° 5.642' |
| Degrees, Minutes and Seconds | 30° 21' 54.6" N, 90° 5' 38.52" W |
| Driving Directions | Google Maps |
| Area Code(s) | 985 |
| Which side of the road? | Marker is on the right when traveling South |
| Closest Postal Address | At or near 100 N Causeway Blvd, Mandeville LA 70448, US |
| Alternative Maps | Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap |
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