31:
296:, but significant -- areas further west of the city, such as LaPlace, were inundated by high waters. Work to increase protection for the areas further west of New Orleans has come to fruition in the West Shore Lake Pontchartrain project, for which construction began in December 2022.
273:
awarded the construction of the project to
Alberici Constructors, Inc. in July 2009 Construction started in the fall of 2010, and although construction activities continued beyond the Corps' projected June 1, 2011 deadline, a temporary
260:
on Leon C. Simon Drive; and raising the Hayne
Boulevard ramps on both the east and west sides of the canal. The Seabrook structure closed the only remaining gap on the East Bank of the Hurricane and Storm Damage Risk Reduction System.
404:
498:
281:
The floodgate structure opened to marine traffic in August 2012. The same month it was closed for the first time, in order to protect the city from
488:
45:
252:
tie-ins on the east and west sides. Other components of the
Seabrook Floodgate project include added T-walls and the replacement of the existing
428:
493:
244:
The
Seabrook Floodgate Structure consists of a sector gate and two vertical lift gates approximately 340 feet (100 m) south of the
256:
gate with a new taller gate that met the 100 year level of risk reduction; new T-walls that tie into a new vehicle gate built at the
380:
391:
453:
312:
253:
209:
201:. It consists of two 50-foot (15 m) wide vertical lift gates and a 95-foot (29 m) wide sector gate.
221:
38:
503:
364:
270:
104:
483:
454:"New Orleans District > About > Projects > BBA 2018 > West Shore Lake Pontchartrain"
282:
205:
328:
229:
193:. The floodgate is designed to protect the Industrial Canal and the surrounding areas from a
8:
344:
233:
198:
405:"New Orleans' levee system 'performed exceptionally well' in combating Hurricane Ida"
293:
217:
182:
80:
245:
30:
477:
289:
178:
60:
47:
257:
213:
194:
186:
90:
249:
225:
292:
in 2021. Water levels on Lake
Pontchartrain were slightly lower than
275:
190:
94:
288:
Notable flooding was not seen in the protected area from
Category 4
175:
Inner Harbor
Navigation Canal (IHNC) Seabrook Floodgate Structure
278:
was built to reduce risk to the area during the construction.
429:"New Orleans levees pass Ida's test while some suburbs flood"
392:
Corps Closes More
Floodgates as Hurricane Isaac Approaches
329:"New Storm-Surge Sector and Lift-Gate Plans To Be Aired"
212:
to reduce the risk of storm surge damage to some of the
365:"Alberici wins $ 154.2M New Orleans floodgate project"
499:Flood control in the New Orleans metropolitan area
475:
204:The building of the floodgate was authorized by
402:
208:in 2006 and operated in tandem with the
489:Buildings and structures in New Orleans
476:
494:United States Army Corps of Engineers
210:Lake Borgne Surge Reduction Barrier
13:
381:The Seabrook Floodgate is now open
369:St. Louis Business Journal Website
349:US Army Corps of Engineers Website
14:
515:
403:Schleifstein, Mark (2021-08-30).
353:<--Broken link, November 2015.
216:region's most vulnerable areas –
29:
16:Bridge in New Orleans, Louisiana
333:Engineering News-Record Website
264:
254:Alabama Great Southern Railroad
446:
421:
396:
385:
374:
357:
338:
322:
306:
1:
7:
10:
520:
271:US Army Corps of Engineers
105:US Army Corps of Engineers
246:Senator Ted Hickey Bridge
239:
167:
162:
154:
146:
136:
128:
123:
115:
110:
100:
86:
76:
37:
28:
21:
313:"Seabrook Project Video"
299:
458:www.mvn.usace.army.mil
351:, September 27, 2010.
319:, September 27, 2010.
61:30.03167°N 90.03444°W
371:, November 4, 2009.
66:30.03167; -90.03444
57: /
504:Lake Pontchartrain
335:, January 2, 2009.
234:St. Bernard Parish
199:Lake Pontchartrain
147:Construction start
23:Seabrook Floodgate
363:Volkmann, Kelsey
345:"IHNC Fact Sheet"
294:Hurricane Katrina
222:metro New Orleans
171:
170:
511:
468:
467:
465:
464:
450:
444:
443:
441:
440:
425:
419:
418:
416:
415:
400:
394:
389:
383:
378:
372:
361:
355:
342:
336:
326:
320:
310:
218:New Orleans East
183:Industrial Canal
155:Construction end
139:
81:Industrial Canal
72:
71:
69:
68:
67:
62:
58:
55:
54:
53:
50:
33:
19:
18:
519:
518:
514:
513:
512:
510:
509:
508:
474:
473:
472:
471:
462:
460:
452:
451:
447:
438:
436:
427:
426:
422:
413:
411:
401:
397:
390:
386:
379:
375:
362:
358:
343:
339:
327:
323:
311:
307:
302:
283:Hurricane Isaac
267:
242:
137:
119:Concrete, steel
111:Characteristics
65:
63:
59:
56:
51:
48:
46:
44:
43:
24:
17:
12:
11:
5:
517:
507:
506:
501:
496:
491:
486:
484:Flood barriers
470:
469:
445:
420:
395:
384:
373:
356:
337:
321:
304:
303:
301:
298:
266:
263:
241:
238:
169:
168:
165:
164:
160:
159:
156:
152:
151:
148:
144:
143:
140:
138:Constructed by
134:
133:
130:
126:
125:
121:
120:
117:
113:
112:
108:
107:
102:
98:
97:
88:
84:
83:
78:
74:
73:
41:
35:
34:
26:
25:
22:
15:
9:
6:
4:
3:
2:
516:
505:
502:
500:
497:
495:
492:
490:
487:
485:
482:
481:
479:
459:
455:
449:
434:
430:
424:
410:
406:
399:
393:
388:
382:
377:
370:
366:
360:
354:
350:
346:
341:
334:
330:
325:
318:
314:
309:
305:
297:
295:
291:
290:Hurricane Ida
286:
284:
279:
277:
272:
262:
259:
255:
251:
247:
237:
235:
231:
227:
223:
219:
215:
211:
207:
202:
200:
196:
192:
188:
184:
180:
179:flood barrier
176:
166:
161:
157:
153:
149:
145:
141:
135:
131:
127:
122:
118:
114:
109:
106:
103:
99:
96:
92:
89:
85:
82:
79:
75:
70:
42:
40:
36:
32:
27:
20:
461:. Retrieved
457:
448:
437:. Retrieved
435:. 2021-08-30
432:
423:
412:. Retrieved
408:
398:
387:
376:
368:
359:
352:
348:
340:
332:
324:
316:
308:
287:
280:
268:
265:Construction
243:
203:
174:
172:
258:boat launch
214:New Orleans
195:storm surge
187:New Orleans
91:New Orleans
64: /
39:Coordinates
478:Categories
463:2023-06-11
439:2023-06-11
414:2023-06-11
250:flood wall
226:Ninth Ward
52:90°02′04″W
49:30°01′54″N
276:cofferdam
191:Louisiana
158:June 2012
95:Louisiana
409:NOLA.com
317:NOLA.com
230:Gentilly
206:Congress
163:Location
142:Alberici
129:Designer
116:Material
433:AP NEWS
181:in the
132:Arcadis
124:History
77:Crosses
240:Design
232:, and
224:, the
87:Locale
300:Notes
248:with
197:from
177:is a
101:Owner
269:The
173:The
150:2010
185:in
480::
456:.
431:.
407:.
367:,
347:,
331:,
315:,
285:.
236:.
228:,
220:,
189:,
93:,
466:.
442:.
417:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
