| N. Hollywood RD over Drain Canal | Poor | 54.1 ft | 13,934 | 1965 |
| La0182 over Bayou Terrebonne | Poor | 95.1 ft | 9,001 | 1968 |
| La0024 over Co. Canal (bourg) | Poor | 126.0 ft | 8,645 | 1951 |
| La0315 over Provost Bayou | Poor | 175.9 ft | 6,715 | 1953 |
| La0058 over Drainage Canal | Poor | 57.1 ft | 5,194 | 1966 |
| Moffet RD over Chauvin Bayou | Poor | 47.9 ft | 5,123 | 1979 |
| E Woodlawn Ranch R over Grand Caillou Bayou | Poor | 38.1 ft | 4,278 | 1980 |
| La0056 over Boudreaux Canal | Poor | 284.1 ft | 3,872 | 1959 |
| La0182 over Bayou Terrebonne | Poor | 86.0 ft | 3,687 | 1954 |
| 9th ST over ST Louis Canal | Poor | 60.0 ft | 3,492 | 1965 |
| Roussell ST over Bayou Terrebonne | Poor | 95.1 ft | 2,503 | 1979 |
| Bobtown Bridge RD over Grand Caillou Bayou | Poor | 158.1 ft | 2,395 | 1960 |
| Mandalay Bridge over Black Bayou | Poor | 76.1 ft | 2,388 | 1969 |
| La0315 over Falgout Canal | Poor | 202.1 ft | 2,378 | 1964 |
| Savanne RD over Hanson Canal | Poor | 57.1 ft | 2,200 | 1967 |
| Brady Bridge RD over Du Large Bayou | Poor | 126.0 ft | 700 | 1960 |
| Falgout Canal RD over Grand Caillou Bayou | Poor | 416.0 ft | 363 | 1976 |
| Waterplant Rd. over Terrebonne Bayou | Poor | 57.1 ft | 280 | 1959 |
| North ST over Chacahoula Canal | Poor | 68.9 ft | 135 | 2011 |
| South ST over Coulee | Poor | 30.8 ft | 135 | 1960 |
| Grand Caillou RD over Platt Bayou | Poor | 113.8 ft | 128 | 1978 |
| La3197 over Houma Canal | Poor | 164.0 ft | 119 | 1938 |
| La0024 over Bayou Terrebonne | Fair | 154.9 ft | 30,800 | 2006 |
| La0024 over Sprr & La 20 | Fair | 2171.9 ft | 28,505 | 1970 |
| ST Charles ST over Bayou Black | Fair | 35.1 ft | 14,665 | 2003 |
| La0024 over ST Louis Canal | Fair | 76.1 ft | 14,232 | 1959 |
| La3087 over Blue Bayou | Fair | 20.0 ft | 13,617 | 1988 |
| La3087 over Intracoastal Ww | Fair | 4196.9 ft | 13,617 | 1980 |
| Us0090 over St. Louis Canal | Fair | 125.0 ft | 12,998 | 1981 |
| La0315 over Bayou Dularge | Fair | 2311.0 ft | 12,596 | 1977 |
| Us0090 over Drainage Canal No 1 | Fair | 125.0 ft | 11,661 | 1987 |
| Us0090 over Drainage Canal No 2 | Fair | 100.1 ft | 11,661 | 1987 |
| Us0090 over La 24 Terrebonne Bayou | Fair | 2191.9 ft | 11,661 | 1980 |
| Us0090 over St. Louis Canal | Fair | 125.0 ft | 11,661 | 1981 |
| La0661 over Navigation Canal | Fair | 363.8 ft | 10,945 | 1962 |
| La0661 over Bayou Lacarpe | Fair | 195.9 ft | 10,945 | 1965 |
| Prospect BLVD over Drain Canal | Fair | 26.9 ft | 10,390 | 1995 |
| La0660 over Drain Canal | Fair | 133.9 ft | 10,321 | 2010 |
| Bayou Gardens BLVD over St. Louis Canal | Fair | 28.9 ft | 10,255 | 1995 |
| La0024 over Bayou Terrebonne | Fair | 126.0 ft | 8,922 | 1941 |
| La0024 over Little Caillou | Fair | 111.9 ft | 8,922 | 1941 |
| Us0090 over Little B Black/la 311/sp | Fair | 2721.1 ft | 8,789 | 1987 |
| Us0090 over Drainage Canal No 1 | Fair | 125.0 ft | 8,789 | 1987 |
| Us0090 over Drainage Canal No 2 | Fair | 100.1 ft | 8,789 | 1987 |
| Us0090 over La 24 Terrebonne Bayou | Fair | 2191.9 ft | 8,789 | 1980 |
| La0182 over Bayou Terrebonne | Fair | 95.1 ft | 8,732 | 1968 |
| N. Hollywood RD over St. Louis Canal | Fair | 76.1 ft | 8,236 | 1986 |
| Savanne RD over Ouiski Bayou | Fair | 76.1 ft | 7,455 | 1972 |
| Savanne RD over Coulee | Fair | 76.1 ft | 7,455 | 1972 |
| La0056 over ST Louis Canal | Fair | 100.1 ft | 7,379 | 1969 |
| Country Estates DR over ST Louis Bayou | Fair | 76.1 ft | 7,175 | 1967 |
| La0316 over St.louis Canal | Fair | 84.0 ft | 7,165 | 1996 |
| Civic Center BLVD over Little Black Bayou | Fair | 76.1 ft | 6,810 | 1989 |
| Williams AVE over Drain Canal | Fair | 75.1 ft | 6,696 | 2004 |
| ST Louis Canal RD over ST Louis Canal | Fair | 95.1 ft | 6,487 | 1976 |
| ST Louis Canal RD over ST Louis Canal | Fair | 95.1 ft | 6,313 | 1976 |
| Polk ST over Canal | Fair | 64.0 ft | 6,018 | 1965 |
| La0661 over Bayou Salle | Fair | 21.0 ft | 5,780 | 1961 |
| La0661 over Bayou Terrebonne | Fair | 176.8 ft | 5,780 | 1999 |
| La0058 over Petit Caillou | Fair | 136.2 ft | 5,194 | 1964 |
| La0058 over Bayou Terrebonne | Fair | 155.8 ft | 5,194 | 1964 |
| Klondyke RD over Lacache Bayou | Fair | 58.1 ft | 5,080 | 1967 |
| Klondyke Bridge over Terrebonne Bayou | Fair | 179.1 ft | 5,080 | 1983 |
| Funderburk AVE over Bayou Terrebonne | Fair | 92.8 ft | 5,001 | 1965 |
| Reservation Br over Terrebonne Bayou | Fair | 76.1 ft | 4,764 | 1963 |
| Church ST over Bayou Terrebonne | Fair | 71.9 ft | 4,110 | 1979 |
| La0055 over ST Louis Canal | Fair | 80.1 ft | 4,035 | 1953 |
| Us0090 over La662 Bayou Lourse | Fair | 2274.0 ft | 4,014 | 1998 |
| Us0090 over Deadwood RD Tiger Bayou | Fair | 7703.1 ft | 4,014 | 1994 |
| Us0090 over Drain Canals La.20 Rr | Fair | 29544.0 ft | 4,014 | 1995 |
| Morgan ST over Terrebonne Bayou | Fair | 76.1 ft | 3,837 | 2003 |
| La0182 over Bayou Black | Fair | 189.0 ft | 3,687 | 1946 |
| La0182 over Drain Canal | Fair | 64.0 ft | 3,687 | 1931 |
| La0182 over Caro Canal | Fair | 80.1 ft | 3,687 | 1957 |
| ST Louis Canal RD over ST Louis Canal | Fair | 96.1 ft | 3,492 | 1976 |
| Us0090 over Tiger Bayou | Fair | 160.1 ft | 3,007 | 1998 |
| La3052 over La 20 Sp Rr Drain Cana | Fair | 5252.0 ft | 3,007 | 1994 |
| Us0090 over Drainage Canals La.20 Rr | Fair | 29544.0 ft | 3,007 | 1995 |
| Bayouside DR over Bayou Petit Caillou | Fair | 158.1 ft | 2,912 | 2010 |
| La0024 over Bayou Terrebonne | Fair | 95.1 ft | 2,800 | 1975 |
| Us0090 over Swamp | Fair | 633.9 ft | 2,629 | 1995 |
| La0020 over Donner Canal | Fair | 134.8 ft | 2,471 | 1984 |
| E Woodlawn Ranch R over Petit Gaillou Bayou | Fair | 68.9 ft | 2,248 | 2011 |
| Savanne RD over Black Bayou | Fair | 95.1 ft | 2,114 | 2001 |
| Combon Bridge RD over Grand Caillou Bayou | Fair | 255.9 ft | 1,566 | 1990 |
| Kenny Street over ST Louis Canal | Fair | 76.1 ft | 1,471 | 1976 |
| Toussant Foret Br over Petit Caillou Bayou | Fair | 160.1 ft | 1,339 | 1965 |
| N Bayou Black DR over Coulee | Fair | 57.1 ft | 1,248 | 1974 |
| N Bayou Black DR over Terr. Laf. Drainage | Fair | 80.1 ft | 1,248 | 1966 |
| Theriot Voisin Br over Du Large Bayou | Fair | 88.9 ft | 1,156 | 2011 |
| Shrimpers Row over Provost Bayou | Fair | 57.1 ft | 990 | 1963 |
| La0057 over Dulac Bayou | Fair | 461.9 ft | 952 | 1971 |
| Bull Run RD over Terr Laf Drainage Canal | Fair | 113.8 ft | 826 | 1968 |
| Blanchard RD over Bayou Black | Fair | 76.1 ft | 745 | 1976 |
| Chauvin Bridge RD over Petit Caillou Bayou | Fair | 160.1 ft | 720 | 2011 |
| Waterproof Bridge over Black Bayou | Fair | 100.1 ft | 610 | 2009 |
| Bayouside DR over Canal | Fair | 38.1 ft | 557 | 1974 |
| Greenwood Bridge over Bayou Black | Fair | 76.1 ft | 557 | 1972 |
| Shrimpers Row RD over Kings Bayou/coulee Canal | Fair | 80.1 ft | 517 | 2017 |
| Shrimpers Rowe over Canal | Fair | 40.0 ft | 517 | 1991 |
| Security BLVD over Little Black Bayou | Fair | 76.1 ft | 468 | 1979 |
| Bull Run RD over Cocke Canal | Fair | 57.1 ft | 447 | 1980 |
| Smithridge Bridge over Petit Caillou Bayou | Fair | 128.9 ft | 438 | 1968 |
| Falgout Canal RD over Houma Navigation Canal | Fair | 326.1 ft | 363 | 1958 |
| Deadwood RD over Coulee | Fair | 64.0 ft | 358 | 1966 |
| Dr. Beatrous RD over Marmande Canal | Fair | 79.1 ft | 330 | 1960 |
| La0024 over Bayou Terrebonne | Fair | 113.8 ft | 322 | 1975 |
| Bayou Gardens BLVD over Bayou | Fair | 76.1 ft | 316 | 1969 |
| La0055 over Madison Canal | Fair | 180.1 ft | 276 | 1970 |
| La0055 over Lapeyrouse Canal | Fair | 60.0 ft | 276 | 1959 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 95.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Fair | 76.1 ft | 258 | 1974 |
| Paul Vice Bridge over Dularge Bayou | Fair | 38.1 ft | 240 | 1966 |
| Jarvis Bridge RD over Black Bayou | Fair | 80.1 ft | 130 | 1968 |
| Cedar Grove RD over Pelton Bayou | Fair | 66.9 ft | 58 | 1960 |
| La0024 over Intracoastal Waterway | Good | 3230.0 ft | 29,371 | 1996 |
| La0024 over Cane Bayou | Good | 100.1 ft | 23,871 | 1960 |
| La0024 over Bayou Terrebonne | Good | 27.9 ft | 22,400 | 1998 |
| La0024 over Intracoastal Waterway | Good | 3270.0 ft | 20,358 | 1996 |
| Hollywood RD over B Terrebonne | Good | 76.1 ft | 15,540 | 1976 |
| Liberty ST Bridge over Bayou Terrebonne | Good | 120.1 ft | 14,700 | 1994 |
| La3087 over Bayou Terribone | Good | 183.1 ft | 13,617 | 2013 |
| Us0090 over Drain Canal | Good | 38.1 ft | 12,998 | 1980 |
| Us0090 over Onramp To 90 From 311 | Good | 490.2 ft | 12,192 | 1987 |
| Us0090 over Offramp From 90 To 311 | Good | 384.8 ft | 12,192 | 1987 |
| Us0090 over Bayou Terrebonne | Good | 100.1 ft | 12,192 | 1980 |
| Us0090 over Little B Black/la 311/sp | Good | 2721.1 ft | 11,661 | 1987 |
| La0311 over Little Bayou Black | Good | 40.0 ft | 11,582 | 1951 |
| La0660 over Bayou Terrebonne | Good | 29.9 ft | 10,321 | 2019 |
| La0660 over ST Louis Canal | Good | 80.1 ft | 10,321 | 1958 |
| N. Bayou Black RD over Hanson Canal | Good | 80.1 ft | 9,159 | 2021 |
| S Hollywood RD over Bayou Black | Good | 76.1 ft | 7,492 | 1996 |
| La0316 over Bayou Terrebonne | Good | 29.9 ft | 7,165 | 1996 |
| Bayou Gardens BLVD over St. Louis Bayou | Good | 140.1 ft | 6,028 | 2017 |
| Enterprise DR over Little Bayou Black | Good | 92.8 ft | 5,909 | 2012 |
| Enterprise Dr. over Little Bayou Black | Good | 92.8 ft | 5,909 | 2012 |
| La0664 over Bayou Terrebonne | Good | 80.1 ft | 5,593 | 2011 |
| Westside BLVD over Terrebonne Bayou | Good | 76.1 ft | 5,322 | 1974 |
| Duplantis Bridge over Petit Caillou Bayou | Good | 136.2 ft | 5,180 | 1973 |
| Buquet Street over Bayou Terrebonne | Good | 89.9 ft | 4,724 | 2017 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 4,583 | 1990 |
| Thompson RD over Bayou Petit Caillou | Good | 160.1 ft | 4,256 | 2016 |
| Us0090 over Drainage Canal | Good | 1678.1 ft | 4,014 | 1998 |
| Us0090 over Chacahoula Bayou | Good | 2017.1 ft | 4,014 | 1998 |
| Us0090 over Tiger Bayou | Good | 160.1 ft | 4,014 | 1998 |
| La0024 over Bayou Terrebonne | Good | 71.9 ft | 3,919 | 1978 |
| La0182 over Borrow Canal | Good | 100.1 ft | 3,905 | 1993 |
| La0020 over Drainage Canal | Good | 120.1 ft | 3,696 | 1984 |
| La0020 over Drainage Canal | Good | 60.0 ft | 3,696 | 1984 |
| La0182 over Elliot Jones Canal | Good | 100.1 ft | 3,687 | 1952 |
| La0182 over Drain Canal | Good | 100.1 ft | 3,687 | 1952 |
| La0182 over St. Louis Canal | Good | 99.1 ft | 3,687 | 2004 |
| Polk ST over Little Bayou Black | Good | 68.9 ft | 3,645 | 2020 |
| Us0090 over La 662 Bayou Lourse | Good | 2274.0 ft | 3,007 | 1998 |
| Us0090 over Drainage Canal | Good | 1666.0 ft | 3,007 | 1998 |
| Us0090 over Chacahoula Bayou | Good | 2051.8 ft | 3,007 | 1998 |
| Us0090 over La 20 Sp Rr Drain Cana | Good | 1615.2 ft | 3,007 | 1994 |
| Us0090 over La 20 Sp Rr Drain Canal | Good | 1904.9 ft | 3,007 | 1994 |
| Us0090 over Deadwood RD Tiger Bayou | Good | 7632.9 ft | 3,007 | 1994 |
| Us0090 over Swamp | Good | 1773.0 ft | 3,007 | 1994 |
| Us0090 over Lourse Bayou | Good | 29.9 ft | 2,629 | 1998 |
| Us0090 over Lourse Bayou | Good | 27.9 ft | 2,629 | 1998 |
| Us0090 over Swamp | Good | 625.0 ft | 2,629 | 1995 |
| Us0090 over Swamp | Good | 770.0 ft | 2,629 | 1995 |
| Us0090 over Swamp | Good | 484.9 ft | 2,629 | 1995 |
| La0020 over Tiger Bayou | Good | 120.1 ft | 2,471 | 1984 |
| La0020 over Canal | Good | 120.1 ft | 2,471 | 1984 |
| Country DR over Bayou Terrebonne | Good | 132.9 ft | 2,390 | 2013 |
| La0655 over Isle Jean Charles Canal | Good | 120.1 ft | 2,337 | 1988 |
| Us0090 over Bayou Terrebonne | Good | 100.1 ft | 2,280 | 1980 |
| Us0090 over Blue Bayou | Good | 24.9 ft | 2,230 | 1985 |
| Waterplant RD over Devil Swamp Canal | Good | 76.1 ft | 1,958 | 1986 |
| Caroll ST over Black Bayou | Good | 115.2 ft | 1,929 | 2020 |
| S. Hollywood RD over Drain Canal | Good | 60.0 ft | 1,570 | 2018 |
| Aragon RD over Drain Canal | Good | 23.0 ft | 1,556 | 1972 |
| Southdown Mandalay over Coulee Canal | Good | 83.0 ft | 1,392 | 2007 |
| N. Bayou Black Dr. over Donner Canal | Good | 69.9 ft | 1,256 | 2017 |
| ST Eloi RD over Dularge Bayou | Good | 75.1 ft | 1,177 | 2013 |
| Texas Gulf Rd. over Drain Canal | Good | 40.0 ft | 1,054 | 2009 |
| Busnell RD over Bayou Petit Gaillou | Good | 75.1 ft | 1,012 | 1986 |
| La3011 over Sale Bayou | Good | 100.1 ft | 841 | 2018 |
| Gibson E Bridge over Little Bayou Black | Good | 76.1 ft | 557 | 1996 |
| La0024 over Bayou Terrebonne | Good | 76.1 ft | 312 | 1974 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 280 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 280 | 1990 |
| La0055 over Humble Canal | Good | 995.1 ft | 280 | 1998 |
| La0024 over Terrebonne Bayou | Good | 80.1 ft | 259 | 1981 |
| La0024 over B Terrebonne / Autin Dr. | Good | 76.1 ft | 259 | 1974 |
| Highland Drive over Terrebonne Bayou | Good | 76.1 ft | 259 | 1974 |
| Holiday Dr. over Terrebonne Bayou | Good | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Good | 76.1 ft | 259 | 1974 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 34.1 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 27.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 28.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| La0024 over Bayou Terrebonne | Good | 26.9 ft | 258 | 1990 |
| North Eagle Dr. over Drain Canal | Good | 41.0 ft | 156 | 1980 |
| Mayfield RD over Coulee Canal | Good | 65.0 ft | 128 | 2018 |