
| Year | # | Total Length (ft) | Total Volume (yd³) | Total Cost | Adjusted Cost (2025) | Avg Volume (yd³) | Avg Cost | Avg Cost (2025) |
|---|---|---|---|---|---|---|---|---|
| 1955 | 1 | 7,280 | 1,150,000 | $188,000 | $2,241,378 | 1,150,000 | $188,000 | $2,241,378 |
| 1957 | 1 | 23,400 | 140,000 | $76,000 | $873,729 | 140,000 | $76,000 | $873,729 |
| 1962 | 1 | 7,280 | 350,000 | $115,000 | $1,233,950 | 350,000 | $115,000 | $1,233,950 |
| 1966 | 1 | 0 | 550,000 | $447,000 | $4,360,282 | 550,000 | $447,000 | $4,360,282 |
| 1972 | 1 | 0 | 640,000 | $595,200 | $4,561,783 | 640,000 | $595,200 | $4,561,783 |
| 1976 | 1 | 0 | 0 | $0 | $0 | 0 | $0 | $0 |
| 1984 | 1 | 39,000 | 2,800,000 | $8,640,000 | $26,742,462 | 2,800,000 | $8,640,000 | $26,742,462 |
| 1985 | 1 | 36,400 | 2,970,000 | $10,500,000 | $31,295,833 | 2,970,000 | $10,500,000 | $31,295,833 |
| 1986 | 1 | 0 | 653,975 | $0 | $0 | 653,975 | $0 | $0 |
| 1987 | 1 | 0 | 0 | $0 | $0 | 0 | $0 | $0 |
| 1988 | 1 | 0 | 473,000 | $1,745,000 | $4,760,301 | 473,000 | $1,745,000 | $4,760,301 |
| 1991 | 1 | 0 | 1,422,000 | $10,934,000 | $25,879,813 | 1,422,000 | $10,934,000 | $25,879,813 |
| 1994 | 1 | 0 | 310,000 | $2,491,000 | $5,417,925 | 310,000 | $2,491,000 | $5,417,925 |
| 1998 | 1 | 16,896 | 0 | $7,040,000 | $13,902,920 | 0 | $7,040,000 | $13,902,920 |
| 1999 | 1 | 39,600 | 2,884,000 | $19,460,000 | $37,600,084 | 2,884,000 | $19,460,000 | $37,600,084 |
| 2000 | 2 | 19,000 | 2,696,276 | $5,796,993 | $10,849,140 | 1,348,138 | $2,898,497 | $5,424,570 |
| 2003 | 1 | 27,456 | 1,700,000 | $12,400,000 | $21,693,261 | 1,700,000 | $12,400,000 | $21,693,261 |
| 2004 | 1 | 11,616 | 4,600,000 | $13,761,336 | $23,437,958 | 4,600,000 | $13,761,336 | $23,437,958 |
| 2007 | 2 | 24,668 | 1,001,274 | $56,412,727 | $87,696,847 | 1,001,274 | $28,206,364 | $43,848,424 |
| 2008 | 1 | 8,000 | 850,000 | $10,700,000 | $15,997,817 | 850,000 | $10,700,000 | $15,997,817 |
| 2009 | 3 | 42,040 | 8,041,000 | $92,900,000 | $139,090,744 | 2,680,333 | $30,966,667 | $46,363,581 |
| 2010 | 2 | 53,328 | 1,220,000 | $50,000,000 | $73,830,275 | 610,000 | $50,000,000 | $73,830,275 |
| 2011 | 1 | 39,370 | 5,231,802 | $220,000,000 | $314,746,667 | 5,231,802 | $220,000,000 | $314,746,667 |
| 2012 | 2 | 21,972 | 5,345,245 | $95,000,000 | $132,958,696 | 2,672,623 | $47,500,000 | $66,479,348 |
| 2013 | 4 | 81,892 | 7,822,470 | $168,845,944 | $233,268,281 | 1,955,618 | $42,211,486 | $58,317,070 |
| 2014 | 3 | 78,323 | 9,435,340 | $229,565,647 | $311,802,455 | 3,145,113 | $76,521,882 | $103,934,152 |
| 2016 | 1 | 16,100 | 5,073,000 | $76,000,000 | $101,935,000 | 5,073,000 | $76,000,000 | $101,935,000 |
| 2017 | 2 | 83,040 | 14,572,027 | $288,000,000 | $378,280,946 | 7,286,014 | $144,000,000 | $189,140,473 |
| 2018 | 3 | 83,443 | 13,010,376 | $268,900,000 | $344,795,948 | 4,336,792 | $89,633,333 | $114,931,983 |
| 2021 | 2 | 5,280 | 6,630,000 | $62,400,000 | $74,128,354 | 3,315,000 | $31,200,000 | $37,064,177 |
| 2022 | 4 | 55,468 | 12,500,000 | $279,800,000 | $307,713,085 | 3,125,000 | $69,950,000 | $76,928,271 |
| 2024 | 2 | 21,120 | 3,100,000 | $62,300,000 | $64,848,847 | 1,550,000 | $31,150,000 | $32,424,423 |
| Location | # | Year Range | Max Length (ft) | Total Volume (yd³) | Total Cost | Adjusted Cost (2025) | Avg Volume (yd³) | Avg Cost | Avg Cost (2025) |
|---|---|---|---|---|---|---|---|---|---|
| Barataria Barrier Island Complex Project: Chaland Pass (BA-38) | 1 | 2007 | 16,368 | 0 | $43,512,727 | $67,665,444 | 0 | $43,512,727 | $67,665,444 |
| Breton Islands | 1 | 2021 | 0 | 5,870,000 | $54,900,000 | $65,218,696 | 5,870,000 | $54,900,000 | $65,218,696 |
| Cameron Parish Shoreline Restoration (CS-0033) | 1 | 2013 | 45,936 | 1,932,470 | $40,495,241 | $55,946,000 | 1,932,470 | $40,495,241 | $55,946,000 |
| Caminada Headland Beach and Dune Restoration (BA-45) | 1 | 2014 | 31,680 | 3,300,000 | $70,700,000 | $96,026,709 | 3,300,000 | $70,700,000 | $96,026,709 |
| Caminada Headland Beach and Dune Restoration Phase 2 (BA-143) | 1 | 2014 | 36,960 | 5,400,000 | $145,700,000 | $197,893,797 | 5,400,000 | $145,700,000 | $197,893,797 |
| Caminada Headlands | 1 | 2017 | 68,640 | 8,800,000 | $216,000,000 | $283,681,763 | 8,800,000 | $216,000,000 | $283,681,763 |
| Chandeleur Islands | 1 | 2011 | 39,370 | 5,231,802 | $220,000,000 | $314,746,667 | 5,231,802 | $220,000,000 | $314,746,667 |
| De Cade Bayou | 1 | 2024 | 0 | 2,400,000 | $14,000,000 | $15,396,652 | 2,400,000 | $14,000,000 | $15,396,652 |
| East Grand Terre Island (BA-30) | 1 | 2009 | 14,784 | 3,300,000 | $25,400,000 | $38,029,116 | 3,300,000 | $25,400,000 | $38,029,116 |
| East Timbalier Island Sediment Restoration, Phase 1 (TE-25) | 1 | 2000 | 12,000 | 1,004,000 | $2,158,600 | $4,039,845 | 1,004,000 | $2,158,600 | $4,039,845 |
| East Timbalier Island Sediment Restoration, Phase 2 (TE-30) | 1 | 2000 | 7,000 | 1,692,276 | $3,638,393 | $6,809,295 | 1,692,276 | $3,638,393 | $6,809,295 |
| Fourchon | 2 | 1986 - 2013 | 8,500 | 2,353,975 | $28,600,000 | $39,512,189 | 1,176,988 | $28,600,000 | $39,512,189 |
| Grand Isle | 15 | 1955 - 2024 | 39,000 | 12,715,000 | $141,531,200 | $239,559,583 | 978,077 | $10,887,015 | $18,427,660 |
| Holly Beach | 1 | 2003 | 27,456 | 1,700,000 | $12,400,000 | $21,693,261 | 1,700,000 | $12,400,000 | $21,693,261 |
| Isles Dernieres Restoration Trinity and East Islands (TE-20 and 24) | 1 | 1999 | 39,600 | 2,884,000 | $19,460,000 | $37,600,084 | 2,884,000 | $19,460,000 | $37,600,084 |
| New Cut (TE-37) | 2 | 2007 - 2008 | 8,300 | 1,851,274 | $23,600,000 | $36,029,221 | 925,637 | $11,800,000 | $18,014,610 |
| NRDA Caillou Lake Headlands (TE-100) | 1 | 2018 | 23,800 | 10,060,000 | $118,300,000 | $151,716,215 | 10,060,000 | $118,300,000 | $151,716,215 |
| Pass Chaland to Grand Bayou Pass (BA-35) | 1 | 2009 | 14,256 | 2,000,000 | $40,700,000 | $60,936,419 | 2,000,000 | $40,700,000 | $60,936,419 |
| Pelican Island (BA-38) | 1 | 2012 | 12,672 | 2,600,500 | $52,800,000 | $73,897,043 | 2,600,500 | $52,800,000 | $73,897,043 |
| Raccoon Island Shoreline Protection (TE-0048) | 1 | 2014 | 9,683 | 735,340 | $13,165,647 | $17,881,948 | 735,340 | $13,165,647 | $17,881,948 |
| Scofield Island (BA-40) | 1 | 2013 | 12,672 | 1,900,000 | $52,150,703 | $72,048,546 | 1,900,000 | $52,150,703 | $72,048,546 |
| Shell Island East (BA-110) | 2 | 2010 - 2013 | 14,784 | 3,060,000 | $47,600,000 | $65,761,545 | 1,530,000 | $47,600,000 | $65,761,545 |
| Shell Island West (BA-111) | 2 | 2016 - 2017 | 16,100 | 10,845,027 | $148,000,000 | $196,534,184 | 5,422,514 | $74,000,000 | $98,267,092 |
| South Lake Lery Shoreline and Marsh Restoration (BS-16) | 1 | 2018 | 35,843 | 66,376 | $32,600,000 | $41,808,526 | 66,376 | $32,600,000 | $41,808,526 |
| Timbalier Island | 1 | 2022 | 13,200 | 2,200,000 | $41,500,000 | $45,640,075 | 2,200,000 | $41,500,000 | $45,640,075 |
| Timbalier Island Dune and Marsh Restoration (TE-40) | 1 | 2004 | 11,616 | 4,600,000 | $13,761,336 | $23,437,958 | 4,600,000 | $13,761,336 | $23,437,958 |
| Trinity-East Island | 1 | 2022 | 13,200 | 1,900,000 | $55,300,000 | $60,816,775 | 1,900,000 | $55,300,000 | $60,816,775 |
| West Belle | 1 | 2022 | 16,368 | 4,400,000 | $83,000,000 | $91,280,150 | 4,400,000 | $83,000,000 | $91,280,150 |
| West Belle Pass Barrier Headland Restoration (TE-52) | 1 | 2012 | 9,300 | 2,744,745 | $42,200,000 | $59,061,652 | 2,744,745 | $42,200,000 | $59,061,652 |
| West Grand Terre Island | 1 | 2022 | 12,700 | 4,000,000 | $100,000,000 | $109,976,085 | 4,000,000 | $100,000,000 | $109,976,085 |
| Whiskey Island | 1 | 2018 | 23,800 | 2,884,000 | $118,000,000 | $151,271,207 | 2,884,000 | $118,000,000 | $151,271,207 |
| Whiskey Island Back Barrier Marsh Creation (TE-50) | 1 | 2009 | 13,000 | 2,741,000 | $26,800,000 | $40,125,209 | 2,741,000 | $26,800,000 | $40,125,209 |
| Whiskey Island Restoration (TE-27) | 1 | 1998 | 16,896 | 0 | $7,040,000 | $13,902,920 | 0 | $7,040,000 | $13,902,920 |
| Location | Year | Primary Funding Source | Justification | Length (ft) | Volume (yd³) | Total Cost | Adjusted Cost (2025) |
|---|---|---|---|---|---|---|---|
| Barataria Barrier Island Complex Project: Chaland Pass (BA-38) | 2007 | Federal | Ecosystem Restoration | 16,368 | 0 | $43,512,727 | $67,665,444 |
| Breton Islands | 2021 | Federal | Ecosystem Restoration | 0 | 5,870,000 | $54,900,000 | $65,218,696 |
| Cameron Parish Shoreline Restoration (CS-0033) | 2013 | State | Shore Protection | 45,936 | 1,932,470 | $40,495,241 | $55,946,000 |
| Caminada Headland Beach and Dune Restoration (BA-45) | 2014 | Private | Ecosystem Restoration | 31,680 | 3,300,000 | $70,700,000 | $96,026,709 |
| Caminada Headland Beach and Dune Restoration Phase 2 (BA-143) | 2014 | Private | Ecosystem Restoration | 36,960 | 5,400,000 | $145,700,000 | $197,893,797 |
| Caminada Headlands | 2017 | Federal | Ecosystem Restoration | 68,640 | 8,800,000 | $216,000,000 | $283,681,763 |
| Chandeleur Islands | 2011 | Private | Ecosystem Restoration | 39,370 | 5,231,802 | $220,000,000 | $314,746,667 |
| De Cade Bayou | 2024 | Federal | Ecosystem Restoration | 0 | 2,400,000 | $14,000,000 | $15,396,652 |
| East Grand Terre Island (BA-30) | 2009 | State | Ecosystem Restoration | 14,784 | 3,300,000 | $25,400,000 | $38,029,116 |
| East Timbalier Island Sediment Restoration, Phase 1 (TE-25) | 2000 | Federal | Ecosystem Restoration | 12,000 | 1,004,000 | $2,158,600 | $4,039,845 |
| East Timbalier Island Sediment Restoration, Phase 2 (TE-30) | 2000 | Federal | Ecosystem Restoration | 7,000 | 1,692,276 | $3,638,393 | $6,809,295 |
| Fourchon | 1986 | State | Unknown | 0 | 653,975 | $0 | $0 |
| Fourchon | 2013 | Federal | Ecosystem Restoration | 8,500 | 1,700,000 | $28,600,000 | $39,512,189 |
| Grand Isle | 1955 | State | Unknown | 7,280 | 1,150,000 | $188,000 | $2,241,378 |
| Grand Isle | 1957 | Unknown | Emergency | 23,400 | 140,000 | $76,000 | $873,729 |
| Grand Isle | 1962 | State | Unknown | 7,280 | 350,000 | $115,000 | $1,233,950 |
| Grand Isle | 1966 | Unknown | Emergency | 0 | 550,000 | $447,000 | $4,360,282 |
| Grand Isle | 1972 | State | Unknown | 0 | 640,000 | $595,200 | $4,561,783 |
| Grand Isle | 1976 | Unknown | Emergency | 0 | 0 | $0 | $0 |
| Grand Isle | 1984 | Federal | Shore Protection | 39,000 | 2,800,000 | $8,640,000 | $26,742,462 |
| Grand Isle | 1985 | Federal | Shore Protection | 36,400 | 2,970,000 | $10,500,000 | $31,295,833 |
| Grand Isle | 1987 | Federal | Shore Protection | 0 | 0 | $0 | $0 |
| Grand Isle | 1988 | Federal | Shore Protection | 0 | 473,000 | $1,745,000 | $4,760,301 |
| Grand Isle | 1991 | Unknown | Emergency | 0 | 1,422,000 | $10,934,000 | $25,879,813 |
| Grand Isle | 1994 | Federal | Shore Protection | 0 | 310,000 | $2,491,000 | $5,417,925 |
| Grand Isle | 2010 | Federal | Shore Protection | 38,544 | 450,000 | $50,000,000 | $73,830,275 |
| Grand Isle | 2021 | Federal | Emergency | 5,280 | 760,000 | $7,500,000 | $8,909,658 |
| Grand Isle | 2024 | State | Shore Protection | 21,120 | 700,000 | $48,300,000 | $49,452,195 |
| Holly Beach | 2003 | Federal | Unknown | 27,456 | 1,700,000 | $12,400,000 | $21,693,261 |
| Isles Dernieres Restoration Trinity and East Islands (TE-20 and 24) | 1999 | Federal | Ecosystem Restoration | 39,600 | 2,884,000 | $19,460,000 | $37,600,084 |
| New Cut (TE-37) | 2007 | Federal | Ecosystem Restoration | 8,300 | 1,001,274 | $12,900,000 | $20,031,404 |
| New Cut (TE-37) | 2008 | Federal | Ecosystem Restoration | 8,000 | 850,000 | $10,700,000 | $15,997,817 |
| NRDA Caillou Lake Headlands (TE-100) | 2018 | Federal | Ecosystem Restoration | 23,800 | 10,060,000 | $118,300,000 | $151,716,215 |
| Pass Chaland to Grand Bayou Pass (BA-35) | 2009 | Federal | Ecosystem Restoration | 14,256 | 2,000,000 | $40,700,000 | $60,936,419 |
| Pelican Island (BA-38) | 2012 | Federal | Ecosystem Restoration | 12,672 | 2,600,500 | $52,800,000 | $73,897,043 |
| Raccoon Island Shoreline Protection (TE-0048) | 2014 | Federal | Shore Protection | 9,683 | 735,340 | $13,165,647 | $17,881,948 |
| Scofield Island (BA-40) | 2013 | Private | Ecosystem Restoration | 12,672 | 1,900,000 | $52,150,703 | $72,048,546 |
| Shell Island East (BA-110) | 2010 | Private | Ecosystem Restoration | 14,784 | 770,000 | $0 | $0 |
| Shell Island East (BA-110) | 2013 | Private | Ecosystem Restoration | 14,784 | 2,290,000 | $47,600,000 | $65,761,545 |
| Shell Island West (BA-111) | 2016 | Private | Ecosystem Restoration | 16,100 | 5,073,000 | $76,000,000 | $101,935,000 |
| Shell Island West (BA-111) | 2017 | Federal | Ecosystem Restoration | 14,400 | 5,772,027 | $72,000,000 | $94,599,184 |
| South Lake Lery Shoreline and Marsh Restoration (BS-16) | 2018 | Federal | Ecosystem Restoration | 35,843 | 66,376 | $32,600,000 | $41,808,526 |
| Timbalier Island | 2022 | Federal | Ecosystem Restoration | 13,200 | 2,200,000 | $41,500,000 | $45,640,075 |
| Timbalier Island Dune and Marsh Restoration (TE-40) | 2004 | Federal | Ecosystem Restoration | 11,616 | 4,600,000 | $13,761,336 | $23,437,958 |
| Trinity-East Island | 2022 | Federal | Ecosystem Restoration | 13,200 | 1,900,000 | $55,300,000 | $60,816,775 |
| West Belle | 2022 | Federal | Ecosystem Restoration | 16,368 | 4,400,000 | $83,000,000 | $91,280,150 |
| West Belle Pass Barrier Headland Restoration (TE-52) | 2012 | Federal | Ecosystem Restoration | 9,300 | 2,744,745 | $42,200,000 | $59,061,652 |
| West Grand Terre Island | 2022 | State | Ecosystem Restoration | 12,700 | 4,000,000 | $100,000,000 | $109,976,085 |
| Whiskey Island | 2018 | Federal | Shore Protection | 23,800 | 2,884,000 | $118,000,000 | $151,271,207 |
| Whiskey Island Back Barrier Marsh Creation (TE-50) | 2009 | Federal | Ecosystem Restoration | 13,000 | 2,741,000 | $26,800,000 | $40,125,209 |
| Whiskey Island Restoration (TE-27) | 1998 | Federal | Ecosystem Restoration | 16,896 | 0 | $7,040,000 | $13,902,920 |
Length (ft)
Volume (yd³)
Cost (2025 Inflation adjusted)