| Us0051 over Yellow Water River | Poor | 120.1 ft | 16,234 | 1953 |
| La3158 over Drain | Poor | 39.0 ft | 11,309 | 1975 |
| La1040 over Yellow Water River | Poor | 134.8 ft | 7,190 | 1958 |
| La0443 over Skulls Creek | Poor | 59.1 ft | 6,478 | 1954 |
| La0022 over Tangipahoa River | Poor | 513.1 ft | 6,435 | 1939 |
| Phoenix Square over Creek | Poor | 57.1 ft | 5,021 | 1975 |
| La0040 over Scott Creek | Poor | 77.1 ft | 4,748 | 1970 |
| Old US 51 over Pass Manchac | Poor | 3012.1 ft | 4,107 | 1957 |
| Old US 51 over North Pass | Poor | 1352.0 ft | 4,107 | 1960 |
| La0040 over Bull Branch | Poor | 59.1 ft | 2,778 | 1957 |
| Bennett RD over Creek | Poor | 59.1 ft | 2,750 | 1975 |
| Walnut ST over Creek | Poor | 38.1 ft | 2,595 | 1979 |
| Mlk Jr. Dr. over Ponchatoula Creek | Poor | 76.1 ft | 2,010 | 1982 |
| Chappepeela RD over Brushy Branch | Poor | 39.0 ft | 1,520 | 1974 |
| Brown RD over Creek | Poor | 58.1 ft | 1,473 | 1976 |
| W. Yellow Water RD over Creek | Poor | 39.0 ft | 1,220 | 1978 |
| La1054 over Tyner Creek | Poor | 39.0 ft | 1,063 | 1967 |
| Nuccio RD over Yellow Water River | Poor | 75.1 ft | 1,035 | 1975 |
| La0040 over Natalbany River | Poor | 171.9 ft | 913 | 1971 |
| Old Genessee RD over Creek | Poor | 39.0 ft | 745 | 1960 |
| Harvey Lavigne over Creek | Poor | 58.1 ft | 681 | 1970 |
| Sibley RD over Creek | Poor | 39.0 ft | 611 | 1974 |
| Easley RD over Sweetwater Cr. | Poor | 46.9 ft | 554 | 1975 |
| Rosaryville RD over Creek | Poor | 39.0 ft | 512 | 1975 |
| Old Genessee RD over Creek | Poor | 39.0 ft | 406 | 1960 |
| Narretto Road over Brushy Branch | Poor | 26.9 ft | 359 | 1975 |
| N. Brickyard RD over Creek | Poor | 57.1 ft | 325 | 1975 |
| Berry Bowl RD over Creek | Poor | 39.0 ft | 310 | 1975 |
| Cambell RD over Creek | Poor | 39.0 ft | 269 | 1975 |
| Sibley Road over Branch | Poor | 38.1 ft | 204 | 1960 |
| Illinois Jones RD over Still Branch | Poor | 50.9 ft | 200 | 1975 |
| N. River RD over Irving Branch | Poor | 57.1 ft | 141 | 1975 |
| Byers RD over Bedico Creek | Poor | 57.1 ft | 128 | 1993 |
| Stateline RD over Drain | Poor | 58.1 ft | 128 | 1984 |
| V. Lambert RD over Creek | Poor | 37.1 ft | 97 | 1975 |
| M. Williams RD over Spring Creek | Poor | 39.0 ft | 93 | 1960 |
| W. Chestnut ST over Creek Bridge | Poor | 38.1 ft | 81 | 1979 |
| Kentwood Firestati over Canal | Poor | 39.0 ft | 70 | 1995 |
| Singing Waterfall over Chappepeela Creek | Poor | 43.0 ft | 64 | 1960 |
| N. Jackson RD over Evans Br. | Poor | 39.0 ft | 57 | 1975 |
| E. Lewiston RD over Wilson Branch | Poor | 57.1 ft | 55 | 1970 |
| Stateline RD over Creek | Poor | 76.1 ft | 40 | 1986 |
| Stateline RD over Creek | Poor | 58.1 ft | 40 | 1960 |
| Anderson RD over Hyde Br. | Poor | 39.0 ft | 25 | 1960 |
| Coleman RD over Pole Bridge Br. | Poor | 50.9 ft | 22 | 1960 |
| Beach RD over Creek | Poor | 153.9 ft | 16 | 1960 |
| Beach Road over Creek | Poor | 210.0 ft | 14 | 1960 |
| Larock Road over Natalbany Creek | Poor | 122.0 ft | 14 | 1950 |
| Lanier LN over Creek | Poor | 39.0 ft | 12 | 1970 |
| Shingle Mill RD over Anderson Canal | Poor | 77.1 ft | 10 | 1975 |
| Palmer LN over Creek | Poor | 30.8 ft | 8 | 1980 |
| Harvey Lavigne over Bedico Creek | Poor | 58.1 ft | 8 | 1975 |
| Travis LN over Big Creek | Poor | 51.8 ft | 8 | 1960 |
| Fannie Powell RD over Creek | Poor | 42.0 ft | 8 | 1970 |
| Walsh RD over Yellow Water River | Poor | 124.0 ft | 4 | 1960 |
| Stein RD over Yellow Water River | Poor | 121.1 ft | 4 | 1960 |
| Hinson RD over Canal | Poor | 37.1 ft | 4 | 1975 |
| Raborn RD over Ashleys Br. | Poor | 38.1 ft | 4 | 1960 |
| Brock RD over Little Silver Creek | Poor | 39.0 ft | 4 | 1960 |
| I0012 over I-55 | Fair | 310.0 ft | 58,377 | 1970 |
| I0012 over Drainage | Fair | 44.0 ft | 58,377 | 1970 |
| I0012 over US 51 Bus | Fair | 204.1 ft | 58,377 | 1975 |
| I0012 over Icg Railroad | Fair | 217.8 ft | 58,377 | 1975 |
| I0012 over Ponchatoula Creek | Fair | 259.8 ft | 58,377 | 1975 |
| I0012 over La 3158 (airport Rd) | Fair | 212.9 ft | 58,377 | 1975 |
| I0012 over Selsers Creek | Fair | 120.1 ft | 53,386 | 1975 |
| I0012 over Tangipahoa River Relief | Fair | 387.1 ft | 53,386 | 1975 |
| I0012 over Tangipahoa River | Fair | 689.0 ft | 53,386 | 1975 |
| I0012 over Bedico Cr.relief | Fair | 22.0 ft | 53,386 | 1974 |
| I0012 over Bedico Creek | Fair | 168.0 ft | 53,386 | 1975 |
| I0012 over Drain | Fair | 26.9 ft | 45,151 | 1970 |
| I0055 over Pass Manchac | Fair | 3051.8 ft | 39,850 | 1977 |
| I0055 over Elevated Rdwy | Fair | 42125.0 ft | 39,850 | 1979 |
| I0012 over Natalbany River | Fair | 540.0 ft | 37,140 | 1970 |
| I0055 over Icg Railroad | Fair | 167.0 ft | 36,311 | 1968 |
| I0055 over Little Nat River | Fair | 149.9 ft | 23,562 | 1968 |
| I0055 over La 16 | Fair | 169.9 ft | 21,762 | 1970 |
| I0055 over La 1049 | Fair | 183.1 ft | 21,762 | 1966 |
| I0055 over La 38 | Fair | 174.9 ft | 21,762 | 1966 |
| I0055 over Cools Creek | Fair | 100.1 ft | 21,762 | 1966 |
| I0055 over Terrys Creek | Fair | 240.2 ft | 21,762 | 1966 |
| I0055 over Drain | Fair | 38.1 ft | 21,762 | 1966 |
| I0055 over Parish Road | Fair | 137.1 ft | 21,762 | 1966 |
| I0055 over Us0190 | Fair | 233.9 ft | 21,736 | 1968 |
| I0055 over Yellow Water River | Fair | 242.1 ft | 21,736 | 1968 |
| I0055 over Little Nat River | Fair | 149.9 ft | 21,736 | 1968 |
| I0055 over La 1048 | Fair | 174.9 ft | 21,736 | 1967 |
| I0012 over Yellow Water River Rel. | Fair | 174.9 ft | 21,736 | 1970 |
| I0012 over I-55 | Fair | 310.0 ft | 21,736 | 1970 |
| I0012 over US 51 Bus. | Fair | 204.1 ft | 21,736 | 1975 |
| I0012 over Icrr | Fair | 217.8 ft | 21,736 | 1975 |
| I0012 over La 3158 (airport Rd) | Fair | 212.9 ft | 21,736 | 1975 |
| Us0051 over Ponchatoula Creek | Fair | 186.0 ft | 21,457 | 1931 |
| Us0190 over Ponchatoula Creek C | Fair | 180.1 ft | 21,045 | 1975 |
| Us0051 over I-12 | Fair | 220.1 ft | 19,612 | 1995 |
| La0022 over Yellow Water Creek | Fair | 180.1 ft | 18,757 | 1976 |
| La0022 over Ponchatoula Creek | Fair | 240.2 ft | 18,757 | 1976 |
| La0022 over I-55 | Fair | 355.0 ft | 18,757 | 1960 |
| Club Deluxe RD over Creek | Fair | 95.1 ft | 18,305 | 1984 |
| La3234 over I0055 | Fair | 297.9 ft | 18,303 | 1995 |
| Us0190 over Yellow Water River | Fair | 200.1 ft | 18,261 | 1969 |
| La0016 over Creek | Fair | 140.1 ft | 18,222 | 1970 |
| I0055 over Swamp | Fair | 128.9 ft | 17,665 | 2008 |
| I0055 over Beaver Creek | Fair | 162.1 ft | 17,665 | 1966 |
| I0055 over La 1049 | Fair | 183.1 ft | 17,665 | 1966 |
| I0055 over La 38 | Fair | 174.9 ft | 17,665 | 1966 |
| I0055 over Cools Creek | Fair | 100.1 ft | 17,665 | 1966 |
| I0055 over Terrys Creek | Fair | 240.2 ft | 17,665 | 1966 |
| I0012 over Selsers Creek | Fair | 120.1 ft | 17,665 | 1975 |
| I0012 over Bedico Creek | Fair | 168.0 ft | 17,665 | 1975 |
| Us0190 over Drain | Fair | 33.1 ft | 14,856 | 1932 |
| Us0190 over Drain | Fair | 24.0 ft | 14,856 | 1932 |
| Us0190 over Yellow Water River | Fair | 200.1 ft | 14,856 | 1969 |
| Us0190 over Drain | Fair | 37.1 ft | 14,613 | 1932 |
| I0055 over Pass Manchac | Fair | 3051.8 ft | 14,300 | 1977 |
| C.m. Fagan RD over Arnolds Creek | Fair | 64.0 ft | 13,316 | 2003 |
| La0022 over Selsers Creek | Fair | 105.0 ft | 12,900 | 1938 |
| La0022 over Drain | Fair | 42.0 ft | 12,900 | 1938 |
| La0022 over Creek | Fair | 83.0 ft | 12,900 | 1938 |
| La0016 over Drain | Fair | 100.1 ft | 12,718 | 1962 |
| La0016 over Spring Branch | Fair | 379.9 ft | 12,718 | 1962 |
| La0016 over Creek | Fair | 140.1 ft | 11,858 | 1970 |
| La0022 over Natalbany River | Fair | 500.0 ft | 9,490 | 1956 |
| Us0190 over Drain | Fair | 171.9 ft | 9,053 | 1954 |
| Us0190 over Tangipahoa River | Fair | 937.0 ft | 9,053 | 1969 |
| Us0190 over Drain | Fair | 22.0 ft | 8,928 | 1932 |
| Us0190 over Natalbany River | Fair | 282.2 ft | 8,928 | 1950 |
| La0445 over Sims Creek | Fair | 80.1 ft | 8,876 | 1957 |
| La0445 over Washley Creek | Fair | 259.8 ft | 8,876 | 1957 |
| La0040 over I-55 | Fair | 252.0 ft | 8,581 | 1970 |
| Us0190 over Branch | Fair | 58.1 ft | 8,262 | 1954 |
| Us0190 over Holden Branch | Fair | 96.1 ft | 8,262 | 1954 |
| Us0190 over Washley Creek | Fair | 190.9 ft | 8,262 | 1954 |
| Us0190 over Creek | Fair | 58.1 ft | 8,262 | 1954 |
| Us0190 over Dixie Creek | Fair | 58.1 ft | 8,262 | 1954 |
| Us0190 over Creek | Fair | 153.9 ft | 8,262 | 1954 |
| Us0190 over Ponchatoula Cr. | Fair | 180.1 ft | 7,716 | 1932 |
| Old Covington Hwy. over Ponchatoula Creek | Fair | 180.1 ft | 7,323 | 1957 |
| Old Covington Hwy. over Selsers Creek | Fair | 120.1 ft | 7,316 | 1958 |
| La1040 over I-55 | Fair | 222.1 ft | 7,190 | 1970 |
| La0022 over Drain | Fair | 40.0 ft | 6,775 | 1938 |
| La0022 over Bedico Creek | Fair | 210.0 ft | 6,775 | 1938 |
| La0443 over Tang River Relief | Fair | 120.1 ft | 6,478 | 1955 |
| La0022 over Drain | Fair | 280.8 ft | 6,435 | 1939 |
| La0022 over Drain | Fair | 242.1 ft | 6,435 | 1939 |
| South Range Road over Ponchatoula Creek | Fair | 180.1 ft | 6,250 | 1956 |
| La1249 over Creek | Fair | 71.9 ft | 6,110 | 1994 |
| La1249 over Pipe At Canal | Fair | 22.0 ft | 6,110 | 1995 |
| Wardline RD over Canal | Fair | 54.1 ft | 5,805 | 2000 |
| Wardline Road over Yellow Water River | Fair | 57.1 ft | 5,582 | 1976 |
| La0442 over Parker Bayou | Fair | 100.1 ft | 5,026 | 1963 |
| La0442 over Nat. River Relief | Fair | 160.1 ft | 5,026 | 1963 |
| La0442 over Natalbany River | Fair | 250.0 ft | 5,026 | 1963 |
| La0442 over Ponchatoula Creek | Fair | 77.1 ft | 5,026 | 1979 |
| J. W. Davis Drive over Creek | Fair | 180.1 ft | 4,984 | 2010 |
| La0016 over Coon Branch | Fair | 100.1 ft | 4,942 | 1992 |
| Sontheimer RD over I-12 | Fair | 266.1 ft | 4,830 | 1975 |
| La0040 over Tangipahoa River | Fair | 609.9 ft | 4,748 | 1965 |
| La0040 over Sweetwater Creek | Fair | 115.2 ft | 4,748 | 1970 |
| La0016 over Creek | Fair | 26.9 ft | 4,454 | 1972 |
| Old US 51 over Owl Bayou | Fair | 100.1 ft | 4,107 | 1958 |
| Rufus Bankston RD over Creek | Fair | 81.0 ft | 3,941 | 2000 |
| La0010 over Creek | Fair | 160.1 ft | 3,768 | 1966 |
| La0010 over Tangipahoa River | Fair | 482.0 ft | 3,768 | 1966 |
| La0016 over Squirrel Creek | Fair | 140.1 ft | 3,747 | 1974 |
| La0016 over Chappepeela Creek | Fair | 140.1 ft | 3,747 | 1974 |
| Club Deluxe RD over I-55 | Fair | 275.9 ft | 3,660 | 1970 |
| La1062 over Drain | Fair | 75.1 ft | 3,571 | 1954 |
| Phoenix Square over Creek | Fair | 77.1 ft | 3,306 | 1978 |
| La0038 over Tangipahoa River | Fair | 452.1 ft | 3,120 | 1974 |
| La1064 over Still Branch | Fair | 80.1 ft | 2,854 | 1957 |
| La1064 over Natalbany River | Fair | 319.9 ft | 2,854 | 1957 |
| La0040 over Brushy Branch | Fair | 80.1 ft | 2,634 | 1957 |
| La0040 over Chapepeela Creek | Fair | 200.1 ft | 2,634 | 1957 |
| La0040 over Chap Creek Relief | Fair | 80.1 ft | 2,634 | 1957 |
| Loranger RD over Morgan Branch | Fair | 27.9 ft | 2,504 | 1999 |
| La0440 over Jennys Branch | Fair | 80.1 ft | 2,498 | 1958 |
| La0440 over Drain | Fair | 24.0 ft | 2,498 | 1988 |
| Us0051-b over I-55 | Fair | 1041.0 ft | 2,434 | 1960 |
| Us0051 over Terrys Creek | Fair | 330.1 ft | 2,403 | 1935 |
| Us0051 over Chubby Creek | Fair | 27.9 ft | 2,403 | 1956 |
| Us0051 over Drain | Fair | 32.2 ft | 2,266 | 2014 |
| Us0051 over Beaver Creek | Fair | 330.1 ft | 2,266 | 1935 |
| Us0051 over Carpenter Branch | Fair | 46.9 ft | 2,199 | 1956 |
| Magazine ST over East Ponchatoula Creek | Fair | 57.1 ft | 2,075 | 1985 |
| Houeye RD over I-55 | Fair | 222.1 ft | 1,870 | 1967 |
| La1051 over Button Creek | Fair | 77.1 ft | 1,870 | 1975 |
| La1051 over Drain | Fair | 58.1 ft | 1,870 | 1975 |
| Firetower RD over Mile Branch | Fair | 44.0 ft | 1,844 | 1999 |
| La0442 over Creek | Fair | 60.0 ft | 1,762 | 1955 |
| La0442 over Tang River Relief | Fair | 259.8 ft | 1,762 | 1963 |
| Stafford RD over Canal | Fair | 24.9 ft | 1,708 | 2015 |
| La0038 over Creek | Fair | 79.1 ft | 1,706 | 1961 |
| La0038 over Little Silver CR | Fair | 78.1 ft | 1,648 | 1961 |
| La0038 over Wilson Creek | Fair | 78.1 ft | 1,648 | 1961 |
| La1050 over Beaver Creek | Fair | 242.1 ft | 1,583 | 1960 |
| La1050 over Ditch | Fair | 39.0 ft | 1,583 | 1960 |
| Whiskey LN RD over Ponchatoula Creek Br. | Fair | 53.1 ft | 1,546 | 1997 |
| La1057 over Big Creek | Fair | 220.1 ft | 1,539 | 1967 |
| La0038 over Beaver Creek | Fair | 78.1 ft | 1,535 | 1952 |
| La0038 over Creek | Fair | 78.1 ft | 1,520 | 1961 |
| W. Olive ST over Creek | Fair | 38.1 ft | 1,520 | 1979 |
| La1061 over Spring Creek | Fair | 133.9 ft | 1,509 | 1975 |
| La1045 over Coons Branch | Fair | 80.1 ft | 1,509 | 1957 |
| Rogers RD over Yellow Water River | Fair | 132.9 ft | 1,372 | 1998 |
| La0445 over Bailey Branch | Fair | 120.1 ft | 1,342 | 1963 |
| La0445 over Creek | Fair | 78.1 ft | 1,342 | 1954 |
| La0445 over Chappepeela Creek | Fair | 200.1 ft | 1,342 | 1963 |
| La0445 over Chap Relief Cr. | Fair | 160.1 ft | 1,342 | 1963 |
| La0445 over Spring Creek | Fair | 96.1 ft | 1,342 | 1994 |
| La0010 over Caney Branch | Fair | 77.1 ft | 1,335 | 1955 |
| La0010 over Creek | Fair | 58.1 ft | 1,335 | 1955 |
| La0010 over Hamilton Creek | Fair | 97.1 ft | 1,333 | 1957 |
| La1054 over Creek | Fair | 59.1 ft | 1,319 | 1954 |
| La1054 over Spring Creek | Fair | 210.0 ft | 1,318 | 1981 |
| La1054 over Big Creek | Fair | 171.9 ft | 1,264 | 1955 |
| La1054 over Bunch Branch | Fair | 96.1 ft | 1,257 | 1955 |
| La1055 over Wilsons Creek | Fair | 77.1 ft | 1,256 | 1956 |
| Durbin RD over Still Branch | Fair | 57.1 ft | 1,252 | 1986 |
| La1054 over Tangipahoa R. Relief | Fair | 115.2 ft | 1,235 | 1983 |
| La1054 over Spring Creek | Fair | 220.1 ft | 1,235 | 2008 |
| La1061 over Dyson Branch | Fair | 100.1 ft | 1,199 | 1959 |
| La1061 over Big Creek | Fair | 160.1 ft | 1,199 | 1959 |
| La1061 over West Branch | Fair | 80.1 ft | 1,199 | 1959 |
| Firetower RD over Cedar Creek | Fair | 44.9 ft | 1,160 | 2001 |
| Chappepeela RD over Chappepeela Creek | Fair | 155.8 ft | 1,145 | 1990 |
| Chappepeela RD over Chappepeela Relief | Fair | 88.9 ft | 1,145 | 1990 |
| La1063 over Morgan Branch | Fair | 100.1 ft | 1,130 | 1962 |
| La1063 over Morgan Branch | Fair | 80.1 ft | 1,130 | 1962 |
| La1063 over Creek | Fair | 39.0 ft | 1,130 | 1949 |
| La1063 over Canal | Fair | 58.1 ft | 1,130 | 1956 |
| Weinberger RD over Selzers Creek | Fair | 97.1 ft | 1,022 | 1978 |
| Harvey Lavigne RD over Sims Creek | Fair | 44.9 ft | 992 | 2001 |
| La0040 over Canal | Fair | 39.0 ft | 913 | 1971 |
| La1058 over Drain | Fair | 39.0 ft | 899 | 1951 |
| La1061 over Big Creek | Fair | 120.1 ft | 888 | 1959 |
| La1048 over Natalbany Creek | Fair | 113.8 ft | 883 | 1967 |
| Easley RD over Scott Creek | Fair | 39.0 ft | 880 | 1960 |
| Neal RD over Little Chapepeela Creek | Fair | 88.9 ft | 878 | 1992 |
| W. Black Cat RD over Ponchatoula Creek | Fair | 76.1 ft | 873 | 1992 |
| New Genessee RD over Creek | Fair | 86.0 ft | 800 | 1978 |
| La0440 over Creek | Fair | 120.1 ft | 752 | 2014 |
| La0440 over Big Creek | Fair | 140.1 ft | 752 | 1960 |
| Briar Patch Cemt over Cooper Creek | Fair | 60.0 ft | 639 | 2006 |
| E. Cooper RD over Davis Branch | Fair | 33.1 ft | 601 | 2002 |
| La1053 over I-55 | Fair | 236.9 ft | 595 | 1966 |
| Wadesboro RD over Nav. Ponchatoula | Fair | 191.9 ft | 585 | 1980 |
| La1049 over Beaver Creek | Fair | 200.1 ft | 574 | 1960 |
| La1049 over Button Creek | Fair | 77.1 ft | 574 | 1973 |
| George RD over Porker Creek | Fair | 88.9 ft | 560 | 1992 |
| C.c. RD over East Bedico Creek | Fair | 95.1 ft | 559 | 2009 |
| Old Genessee RD over Yellow Water Creek | Fair | 88.9 ft | 557 | 1993 |
| Bankston RD over Creek | Fair | 39.0 ft | 551 | 1975 |
| Danna RD over Ponchatoula Creek | Fair | 95.1 ft | 545 | 1998 |
| W. Palmetto ST over Creek | Fair | 78.1 ft | 545 | 1975 |
| Briar Patch Cemt over Little Chapepeela Creek | Fair | 88.9 ft | 438 | 1992 |
| Woodstone DR over Yellow Water Creek | Fair | 136.2 ft | 418 | 1992 |
| I0055 over Drain | Fair | 34.1 ft | 402 | 1978 |
| Traino RD over Canal | Fair | 54.1 ft | 391 | 1995 |
| Wadesboro RD over Canal | Fair | 39.0 ft | 366 | 1960 |
| Edwin Neill Way over Creek | Fair | 39.0 ft | 298 | 1975 |
| La1061 over Horse Branch | Fair | 78.1 ft | 279 | 1958 |
| Stepp RD over Creek | Fair | 49.9 ft | 272 | 1960 |
| E. Evans RD over Natalbany River | Fair | 190.0 ft | 254 | 1992 |
| E. Bell RD over Little Chapipeela Creek | Fair | 113.8 ft | 248 | 1992 |
| Ridgel RD over Ponchatoula Creek | Fair | 44.9 ft | 234 | 1997 |
| Old Spring Cr. RD over Ashelys Branch | Fair | 39.0 ft | 219 | 2002 |
| E. Bell RD over Peaks Creek | Fair | 34.1 ft | 201 | 1995 |
| E. Bell RD over Peaks Creek | Fair | 22.0 ft | 201 | 1992 |
| Hayden RD over East Fork Creek | Fair | 88.9 ft | 169 | 1992 |
| E. Domiano RD over Ponchatoula Creek | Fair | 76.1 ft | 164 | 1992 |
| Bud James LN over Creek | Fair | 39.0 ft | 134 | 1972 |
| Mixon Road over Chapepeela Creek | Fair | 40.0 ft | 126 | 1975 |
| S. Coburn RD over Selsers Creek | Fair | 85.0 ft | 94 | 1996 |
| E. Odell Walker RD over Black Branch | Fair | 38.1 ft | 77 | 1985 |
| Green Farm RD over Creek | Fair | 88.9 ft | 65 | 1992 |
| Belle Gardner RD over Catca Creek | Fair | 37.1 ft | 55 | 1985 |
| Bryce Hyde RD over Big Creek | Fair | 58.1 ft | 20 | 1970 |
| Reid RD over Creek | Fair | 58.1 ft | 16 | 1988 |
| Soloman RD over Creek | Fair | 39.0 ft | 14 | 1960 |
| Sandy Acres RD over Creek | Fair | 21.0 ft | 8 | 1993 |
| Gueldner LN over Creek | Fair | 32.2 ft | 6 | 1993 |
| Mixon LN over Creek | Fair | 26.9 ft | 6 | 1993 |
| Howes Cemt. RD over Creek | Fair | 55.1 ft | 4 | 1995 |
| Leblanc RD over Creek | Fair | 39.0 ft | 4 | 1974 |
| Needham RD over Holden Branch | Fair | 32.2 ft | 4 | 1972 |
| White RD over Peaks Creek | Fair | 21.0 ft | 4 | 1999 |
| I0012 over Yellow Water River Rel. | Good | 174.9 ft | 58,377 | 1970 |
| I0012 over Tangipahoa Relief | Good | 323.2 ft | 53,386 | 1975 |
| I0012 over Sims Creek | Good | 26.9 ft | 53,386 | 1975 |
| I0055 over South Slough | Good | 120.1 ft | 39,850 | 2005 |
| I0055 over Middle Slough | Good | 102.0 ft | 39,850 | 2005 |
| I0055 over Drain | Good | 26.9 ft | 39,850 | 1960 |
| I0055 over Ponchatoula Cr. | Good | 242.1 ft | 39,850 | 1960 |
| I0055 over US 190 | Good | 233.9 ft | 36,311 | 1968 |
| I0055 over Yellow Water | Good | 242.1 ft | 36,311 | 1968 |
| I0055 over Creek | Good | 33.1 ft | 23,562 | 1970 |
| I0055 over Creek | Good | 33.1 ft | 21,762 | 1967 |
| I0055 over La 1048 | Good | 174.9 ft | 21,762 | 1967 |
| I0055 over Cline Branch | Good | 33.1 ft | 21,762 | 1967 |
| I0055 over Creek | Good | 25.9 ft | 21,762 | 1966 |
| I0055 over Beaver Creek | Good | 162.1 ft | 21,762 | 1966 |
| I0055 over Black Branch | Good | 23.0 ft | 21,762 | 1966 |
| I0055 over Button Creek | Good | 38.1 ft | 21,762 | 1966 |
| I0055 over Creek | Good | 22.0 ft | 21,762 | 1966 |
| I0055 over Middle Slough | Good | 102.0 ft | 21,736 | 2005 |
| I0055 over Ponchatoula Cr. | Good | 242.1 ft | 21,736 | 1960 |
| I0055 over Icg Railroad | Good | 167.0 ft | 21,736 | 1968 |
| I0055 over La 16 | Good | 169.9 ft | 21,736 | 1970 |
| I0012 over Ponchatoula Creek | Good | 259.8 ft | 21,736 | 1975 |
| I0012 over Natalbany River | Good | 540.0 ft | 21,300 | 1970 |
| La0022 over Drain | Good | 60.0 ft | 18,757 | 1976 |
| La3234 over Yellow Water Creek | Good | 140.1 ft | 18,303 | 1995 |
| La3234 over Ponchatoula Creek | Good | 220.1 ft | 18,303 | 1995 |
| I0055 over Manchac Int/service RD | Good | 42125.0 ft | 17,665 | 1979 |
| I0055 over South Slough | Good | 120.1 ft | 17,665 | 2005 |
| I0055 over Parish Road | Good | 137.1 ft | 17,665 | 1966 |
| I0012 over Tangipahoa Relief | Good | 323.2 ft | 17,665 | 1975 |
| I0012 over Tangipahoa River Relief | Good | 387.1 ft | 17,665 | 1975 |
| I0012 over Tangipahoa River | Good | 664.0 ft | 17,665 | 1975 |
| Us0051 over I-55 | Good | 432.1 ft | 15,642 | 1970 |
| La 16 over Tangipahoa River | Good | 376.0 ft | 12,718 | 2021 |
| La0016 over Drain | Good | 120.1 ft | 12,718 | 1962 |
| La3158 over Selsers Creek | Good | 46.9 ft | 11,309 | 1978 |
| La0445 over Washley Branch | Good | 33.1 ft | 8,876 | 2017 |
| La0445 over Pole Bridge Branch | Good | 21.0 ft | 8,876 | 2017 |
| La0445 over I-12 | Good | 303.1 ft | 8,876 | 1975 |
| La0040 over Creek | Good | 25.9 ft | 8,581 | 1964 |
| La0040 over Ponchatoula Creek | Good | 28.9 ft | 8,581 | 1976 |
| I0055 over On Ramp South US 51 | Good | 560.0 ft | 8,115 | 1979 |
| I0055 over Off Ramp US 51 Manchac | Good | 560.0 ft | 8,115 | 1979 |
| I0055 over On Ramp North US 51 | Good | 560.0 ft | 8,115 | 1979 |
| I0055 over Off Ramp US 51 Manchac | Good | 560.0 ft | 8,115 | 1979 |
| La0016 over Conners Creek | Good | 29.9 ft | 7,535 | 1972 |
| La1040 over Natalbany River | Good | 350.1 ft | 7,190 | 1986 |
| La1040 over Drain | Good | 22.0 ft | 7,190 | 1994 |
| N.hoover Rd. over Creek | Good | 100.1 ft | 7,075 | 2024 |
| Us0051 over Ponchatoula Creek | Good | 100.1 ft | 6,681 | 1953 |
| Happywoods RD over I-12 | Good | 222.1 ft | 6,680 | 1970 |
| La0443 over Tangipahoa River | Good | 368.1 ft | 6,478 | 2017 |
| La0443 over Tangipahoa River Relief | Good | 140.1 ft | 6,478 | 1986 |
| La0443 over Creek | Good | 58.1 ft | 6,478 | 2004 |
| La1249 over I-12 | Good | 222.1 ft | 6,110 | 1970 |
| Us0051 over Drain | Good | 32.2 ft | 6,067 | 1957 |
| S Range RD over I-12 | Good | 266.1 ft | 5,920 | 1975 |
| La1065 over Ponchatoula Creek | Good | 100.1 ft | 5,843 | 2015 |
| La1065 over Creek | Good | 60.0 ft | 5,843 | 2016 |
| La1065 over Drain | Good | 24.0 ft | 5,843 | 2004 |
| Firetower RD over I-12 | Good | 267.1 ft | 5,250 | 1975 |
| La0442 over I-55 | Good | 222.1 ft | 5,026 | 1970 |
| La0040 over Drain | Good | 39.0 ft | 4,748 | 1982 |
| La0040 over Davis Branch | Good | 58.1 ft | 4,748 | 1981 |
| La0016 over Creek | Good | 32.2 ft | 4,454 | 1972 |
| New Genessee RD over I-55 | Good | 222.1 ft | 4,090 | 1970 |
| La0010 over Creek | Good | 120.1 ft | 3,768 | 1966 |
| La0010 over Big Creek | Good | 379.9 ft | 3,768 | 2006 |
| La0010 over Creek | Good | 29.9 ft | 3,768 | 2006 |
| N. Oak ST over Creek | Good | 95.1 ft | 3,757 | 1996 |
| W Blackcat RD over I-55 | Good | 232.0 ft | 3,610 | 1970 |
| La1062 over Drain | Good | 160.1 ft | 3,571 | 2019 |
| La1062 over Spring Creek | Good | 120.1 ft | 3,571 | 2019 |
| La1062 over Drain | Good | 24.0 ft | 3,571 | 2010 |
| La1062 over Little Chappepeela Creek | Good | 140.1 ft | 3,571 | 2016 |
| Adams RD over Yellow Water River | Good | 132.9 ft | 3,500 | 1996 |
| Sisters RD over Selsers Creek | Good | 120.1 ft | 3,345 | 2022 |
| La0038 over Slough | Good | 134.8 ft | 3,120 | 1974 |
| La0038 over Terrys Creek | Good | 316.9 ft | 3,120 | 1974 |
| La0038 over Tang. R. W.relief | Good | 227.0 ft | 3,120 | 1975 |
| La0038 over Tangipahoa River E Relie | Good | 89.9 ft | 3,120 | 1975 |
| J. W. Davis DR over Creek | Good | 120.1 ft | 3,070 | 2012 |
| La1064 over Moran Branch | Good | 120.1 ft | 2,854 | 1957 |
| La1064 over West Canal | Good | 80.1 ft | 2,854 | 1957 |
| La1064 over I-55 | Good | 222.1 ft | 2,854 | 1970 |
| La1064 over Ponchatoula Creek | Good | 120.1 ft | 2,854 | 1957 |
| La1064 over East Ponchatoula Creek | Good | 80.1 ft | 2,854 | 1957 |
| N. Oak ST over Ponchatoula Creek | Good | 95.1 ft | 2,780 | 1990 |
| La0440 over I-55 | Good | 222.1 ft | 2,470 | 1970 |
| La0440 over Tangipahoa River | Good | 1500.0 ft | 2,470 | 2006 |
| Us0051 over Cool Creek | Good | 149.9 ft | 2,403 | 1935 |
| Us0051 over Drain | Good | 107.0 ft | 2,403 | 1956 |
| Us0051 over Drain | Good | 24.0 ft | 2,403 | 1956 |
| River Road over Skull Creek | Good | 100.1 ft | 2,400 | 1963 |
| Us0051 over Drain | Good | 55.1 ft | 2,266 | 1956 |
| Us0051 over Drain | Good | 23.0 ft | 2,266 | 1956 |
| Us0051 over Button Creek | Good | 24.9 ft | 2,266 | 1956 |
| Us0051 over Drain | Good | 60.0 ft | 2,199 | 2021 |
| Us0051 over Drain | Good | 34.1 ft | 2,199 | 1957 |
| Us0051 over Drain | Good | 45.9 ft | 2,199 | 1957 |
| Us0051 over Drain | Good | 60.0 ft | 2,199 | 1957 |
| Us0051 over Aaron Branch | Good | 26.9 ft | 2,199 | 1957 |
| Us0051 over Drain | Good | 27.9 ft | 2,199 | 1956 |
| Us0051 over Kline Branch | Good | 63.0 ft | 2,199 | 1956 |
| Us0051 over Creek | Good | 47.9 ft | 2,199 | 1956 |
| Randall RD over Yellow Water River | Good | 80.1 ft | 2,110 | 2024 |
| N. Oak ST over Creek | Good | 24.9 ft | 2,090 | 1998 |
| Randall RD over Creek | Good | 29.9 ft | 1,933 | 2015 |
| Esterbrook RD over Selsers Creek | Good | 95.1 ft | 1,899 | 1986 |
| Us0051 over Creek | Good | 36.1 ft | 1,850 | 1956 |
| Randall RD over Yellow Water River | Good | 80.1 ft | 1,823 | 2020 |
| La0442 over Tangipahoa River | Good | 450.1 ft | 1,762 | 2019 |
| E. Little Italy RD over Creek | Good | 80.1 ft | 1,700 | 2010 |
| La1057 over Drain | Good | 38.1 ft | 1,695 | 1965 |
| La1050 over I-55 | Good | 222.1 ft | 1,583 | 1966 |
| La1057 over Drain | Good | 22.0 ft | 1,539 | 1967 |
| La0038 over Creek | Good | 26.9 ft | 1,535 | 1952 |
| La1061 over Gill Creek | Good | 58.1 ft | 1,509 | 1995 |
| General Ott RD over Yellow Water River | Good | 209.0 ft | 1,491 | 1993 |
| Wadesboro RD over Creek | Good | 40.0 ft | 1,350 | 2023 |
| La0010 over Creek | Good | 37.1 ft | 1,335 | 2005 |
| La1054 over Drain | Good | 30.8 ft | 1,318 | 1995 |
| La1054 over Drain | Good | 33.1 ft | 1,318 | 1999 |
| La1054 over Drain | Good | 20.0 ft | 1,318 | 1981 |
| E. Church ST over Ponchatoula Creek | Good | 100.1 ft | 1,278 | 2008 |
| La1054 over Big Creek Relief | Good | 160.1 ft | 1,264 | 2017 |
| Wardline RD over Natalbany River Relief | Good | 113.8 ft | 1,259 | 1998 |
| Wardline RD over Natalbany River | Good | 132.9 ft | 1,259 | 1993 |
| La1054 over Tangipahoa River Relief | Good | 180.1 ft | 1,235 | 2008 |
| La1054 over Tangipahoa River | Good | 267.1 ft | 1,235 | 2008 |
| La1054 over Tangipahoa River Relief | Good | 60.0 ft | 1,235 | 2008 |
| La1054 over Tangipahoa River Relief | Good | 120.1 ft | 1,235 | 2008 |
| La1054 over Tangipahoa River Relief | Good | 60.0 ft | 1,235 | 2008 |
| Whitmar DR over Creek | Good | 76.1 ft | 1,200 | 1985 |
| La1063 over I-55 | Good | 252.0 ft | 1,190 | 1970 |
| La1054 over Big Creek | Good | 359.9 ft | 1,159 | 2018 |
| Chappepeela RD over Chappepeela Relief | Good | 57.1 ft | 1,145 | 1992 |
| La1063 over Natalbany River | Good | 182.1 ft | 1,130 | 1962 |
| N. Cooper RD over Mixon Branch | Good | 22.0 ft | 1,082 | 1999 |
| Yokum RD over Ponchatoula Creek | Good | 132.9 ft | 1,008 | 1986 |
| I0055 Frontage RD over Ponchatoula Cr. | Good | 242.1 ft | 988 | 1960 |
| N. Cooper RD over Cooper Creek | Good | 80.1 ft | 961 | 2009 |
| Booker RD over Selsers Creek | Good | 27.9 ft | 915 | 2011 |
| La0010 over I-55 | Good | 222.1 ft | 899 | 1967 |
| La1058 over Hyde Branch | Good | 40.0 ft | 899 | 2004 |
| La1061 over Big Creek | Good | 80.1 ft | 887 | 1959 |
| La1061 over Big Creek Branch | Good | 80.1 ft | 887 | 1959 |
| Reed Ave. over Canal | Good | 24.0 ft | 883 | 2002 |
| I0055 Frontage RD over Ponchatoula CR | Good | 242.1 ft | 790 | 1960 |
| Esterbrook RD over Creek | Good | 57.1 ft | 767 | 1984 |
| Jerusalem Church R over Creek | Good | 80.1 ft | 757 | 2018 |
| La0440 over Creek | Good | 80.1 ft | 752 | 2013 |
| La0440 over Creek | Good | 21.0 ft | 752 | 2015 |
| La0440 over Pitts Creek | Good | 57.1 ft | 752 | 2002 |
| La0440 over Dyson Creek | Good | 100.1 ft | 752 | 1960 |
| W. Hoffman RD over Ponchatoula Creek | Good | 210.0 ft | 717 | 1998 |
| S. Mooney Ave. over Creek | Good | 38.1 ft | 693 | 1984 |
| Vineyard Road over Skulls Creek | Good | 60.0 ft | 648 | 2019 |
| La1053 over Haw Branch | Good | 100.1 ft | 595 | 1996 |
| La1053 over Line Creek | Good | 180.1 ft | 595 | 1996 |
| Wadesboro RD over Creek | Good | 132.9 ft | 585 | 1999 |
| W. Murray RD over Anderson Canal | Good | 95.1 ft | 577 | 1992 |
| Durbin RD over Moran Branch | Good | 44.9 ft | 575 | 2018 |
| La1049 over Jennys Branch | Good | 60.0 ft | 574 | 1960 |
| Bankston RD over Little Natalbany Bridge | Good | 118.1 ft | 551 | 1999 |
| Doc Hyde RD over Washley Creek | Good | 95.1 ft | 550 | 1985 |
| Weinberger RD over Big Branch | Good | 76.1 ft | 549 | 1984 |
| Weinberger RD over Big Branch | Good | 60.0 ft | 459 | 2018 |
| Byers LN over Bedico Creek | Good | 98.1 ft | 388 | 1999 |
| Roseland AVE over Creek | Good | 24.0 ft | 350 | 2011 |
| Bennett RD over Natalbany Creek | Good | 80.1 ft | 320 | 2010 |
| Z. Mcdaniel RD over Reedy Branch | Good | 60.0 ft | 300 | 2010 |
| La1058 over Arkansas Branch | Good | 25.9 ft | 276 | 1971 |
| Mcelveen RD over Hope Branch | Good | 32.2 ft | 250 | 2011 |
| N. River RD over Creek | Good | 32.2 ft | 218 | 2015 |
| North River RD over Ashley Branch | Good | 60.0 ft | 218 | 2018 |
| Jules Waller RD over Jenny Branch | Good | 170.9 ft | 196 | 1999 |
| Straughan Nursery over Scott Creek | Good | 29.9 ft | 175 | 2006 |
| Quick Blvd. over Creek | Good | 60.0 ft | 174 | 2007 |
| Vitrano RD over Ponchatoula Creek | Good | 21.0 ft | 145 | 2015 |
| Vintrano Road over Ponchatoula Creek | Good | 80.1 ft | 145 | 2020 |
| E. W.moreland RD over Button Creek | Good | 81.0 ft | 125 | 2011 |
| Richardson RD over Morgan Branch | Good | 98.1 ft | 117 | 2000 |
| Troy Spears RD over Spring Creek | Good | 42.0 ft | 88 | 2019 |
| N. Hayes RD over Irving Branch | Good | 60.0 ft | 83 | 2006 |
| B. Brown RD over Big Creek Bridge | Good | 132.9 ft | 56 | 1996 |
| Stateline Road over Terrys Creek | Good | 80.1 ft | 40 | 2002 |
| Reid RD over Little Natalbany River | Good | 120.1 ft | 32 | 2002 |
| Pate RD over Selsers Creek | Good | 100.1 ft | 20 | 2022 |