| I 10 over Jourdan River | 2004 | 53,000 | Fair |
| I 10 over East Pearl River | 1966 | 47,000 | Fair |
| I 10 over SR 607 | 1967 | 23,500 | Good |
| I 10 over SR 607 | 1967 | 23,000 | Good |
| I 10 over SR 43 | 1967 | 20,500 | Good |
| I 10 over SR 43 | 1967 | 20,500 | Good |
| I 10 over Stream | 1967 | 20,500 | Good |
| I 10 over Stream | 1967 | 20,500 | Good |
| I 10 over Stream | 1967 | 20,500 | Good |
| I 10 over Stream | 1967 | 20,500 | Good |
| SR 43 over Bayou Lacroix | 1961 | 17,000 | Good |
| SR 43 over Edwards Bayou | 1993 | 17,000 | Good |
| US 90 over Bay St Louis | 2008 | 16,000 | Good |
| SR 43 over Bayou Talla | 1961 | 14,000 | Fair |
| SR 43 over Jourdan River | 1961 | 14,000 | Good |
| SR 43 over Bayou Lacroix | 1993 | 8,500 | Good |
| Kiln-delisle Rd over over Bayou Coco | 1973 | 6,400 | Fair |
| Kiln-delisle Road over Drain | 1978 | 6,400 | Good |
| US 90 over Bayou Phillip | 1965 | 6,000 | Good |
| US 90 over Bayou Phillip | 1986 | 6,000 | Good |
| Kiln-delisle Rd over Bayou Laterre | 2022 | 5,625 | Good |
| Kiln-delisle Road over Rotten Bayou | 1978 | 5,300 | Good |
| Kapalama Road over Mill Creek | 2016 | 5,000 | Good |
| Lakeshore Road over Drain | 1974 | 4,900 | Fair |
| Lakeshore Road over Drain | 1974 | 4,900 | Fair |
| SR 43 over Bayou Bacon | 1963 | 4,200 | Good |
| SR 43 over Orphan Creek | 1963 | 4,200 | Good |
| Diamondhead Dr over I 10 | 1968 | 4,100 | Good |
| Texas Flat Rd over Bch of Turtleskin Ck | 2008 | 4,000 | Good |
| Texas Flat Rd over Creek | 2008 | 4,000 | Good |
| Texas Flat Rd over Trib to Jourdan River | 2008 | 4,000 | Good |
| Texas Flat Rd over Trib to Jourdan River | 2008 | 4,000 | Good |
| Texas Flat Road over Wolf Branch | 2008 | 4,000 | Good |
| SR 607 over Stream | 1971 | 3,850 | Good |
| SR 607 over Stream | 1968 | 3,850 | Good |
| SR 603 over Bayou Bacon | 1955 | 3,700 | Fair |
| SR 603 over Orphan Creek | 1955 | 3,700 | Fair |
| SR 43 over Catahoula Creek | 1963 | 3,600 | Good |
| SR 43 over Crane Pond Creek | 1963 | 3,600 | Good |
| SR 43 over Hickory Creek | 1963 | 3,600 | Good |
| Texas Flat Road over Turtleskin Creek | 1994 | 3,300 | Fair |
| SR 603 over Cypress Creek | 1955 | 3,100 | Fair |
| US 90 over Cowan Bayou | 2009 | 2,600 | Good |
| US 90 over East Pearl River | 1934 | 2,600 | Poor |
| US 90 over Whites Bayou | 2009 | 2,600 | Fair |
| Lakeshore Road over Bayou | 1974 | 2,400 | Poor |
| SR 607 over Indian Camp Branch | 2015 | 2,300 | Good |
| SR 607 over Indian Camp Branch | 2016 | 2,300 | Good |
| SR 607 over Second Alligator Branch | 2015 | 2,300 | Good |
| SR 607 over Second Alligator Branch | 2016 | 2,300 | Good |
| Beach Blvd. over Bayou | 1988 | 2,000 | Poor |
| Beach Blvd. over Grand Bayou | 1988 | 2,000 | Poor |
| Rocky Hill Dedeaux over over Drain | 1964 | 1,900 | Fair |
| Caesar Necaise Rd over Catahoula Creek | 2005 | 1,800 | Good |
| Caesar Necaise Rd over Drain | 1971 | 1,800 | Good |
| Caesar Necaise Rd over Hickory Creek | 2020 | 1,800 | Good |
| Ms Hwy 607 NB over Turtleskin Creek | 2012 | 1,700 | Good |
| Ms Hwy 607 SB over Turtleskin Creek | 1970 | 1,700 | Fair |
| Rocky Hill Dedeaux over Bayou Leterre | 2018 | 1,400 | Good |
| Rocky Hill Dedeaux over Leterre Trib | 2015 | 1,400 | Good |
| SR 604 over Stream | 1983 | 1,300 | Fair |
| Lower Bay Road over Mulatto Bayou | 2009 | 1,248 | Fair |
| Old Lower Bay Road over Drainage Ditch | 2009 | 1,248 | Good |
| Old Lower Bay Rd. over Bayou | 1980 | 1,200 | Good |
| N. Beach Blvd. over Bayou | 1988 | 1,000 | Fair |
| Old Kilin Rd over Catahoula Creek | 1994 | 940 | Fair |
| Firetower Road over Bayou Latterre | 1979 | 600 | Fair |
| Firetower Road over Branch | 1978 | 600 | Fair |
| Firetower Road over Branch of Bayou Latterre | 1979 | 600 | Fair |
| S.railroad Ave. over Mud Bayou | 2023 | 450 | Good |
| Bayou La Croix Rd over Bayou Marone | 2022 | 425 | Good |
| Clermont Blvd over Creek | 2001 | 400 | Good |
| Lagan Street over Canal | 1983 | 400 | Good |
| Washington Road over Edwards Bayou | 2017 | 400 | Good |
| Bayou La Croix Rd over Bayou La Croix | 1977 | 375 | Fair |
| Firetower Road over Drain | 1978 | 320 | Good |
| Preacher Powell Rd over Catahoula Creek | 1980 | 320 | Fair |
| Anner Necaise Rd over Branch | 2015 | 300 | Good |
| S.railroad Ave. over Grand Bayou | 2009 | 300 | Good |
| Spruce Drive over Canal | 2001 | 300 | Fair |
| Ansley Road over Bayou | 2019 | 280 | Good |
| Kiln-picayune Rd over Bayou Talla | 2015 | 200 | Good |
| Old Joe Moran Rd over Bayou Coco | 1992 | 200 | Good |
| Crane Creek Road over Crane Creek | 2022 | 180 | Good |
| Old Joe Moran Rd over Branch of Bayou Latterre | 1974 | 180 | Fair |
| Stewart Drive over Watts Bayou | 1988 | 165 | Poor |
| E. Lake Cypress Dr over Lake | 2018 | 150 | Fair |
| Necaise-anna Road over Branch | 2021 | 150 | Good |
| Indian Ridge Road over Blacksnake Branch | 1995 | 120 | Fair |
| County Road 357 over Bayou Bacon | 1999 | 100 | Good |
| Flat Top Road over Dead Tiger Creek | 1966 | 100 | Fair |
| Joes Bayou Road over Joes Bayou | 2004 | 100 | Good |
| Mitchell Road over Catahoula Creek | 1988 | 100 | Fair |
| Necaise-anna Road over Hickory Creek | 1989 | 100 | Good |
| North Railroad Ave over Marsh | 2001 | 100 | Poor |
| Old Dosset Road over Bayou Bacon | 1986 | 100 | Good |
| Old Dossett Road over Drain | 1986 | 100 | Good |
| V-bar Road over Bell Creek | 1969 | 100 | Fair |
| Lott Mccarty Rd over Mill Creek | 1961 | 89 | Poor |
| Flat Top Road over Everett Branch | 2018 | 70 | Good |
| Flat Top Road over Bogue Homa Bayou | 2022 | 50 | Good |
| N. Railroad Ave. over 3RD Marsh | 2001 | 50 | Poor |
| Lawrence Ladner Rd over Drainage | 2022 | 45 | Fair |
| Lawrence Ladner Rd over Drainage | 2022 | 45 | Fair |
| County Road 357 over Orphan Creek | 1995 | 40 | Good |
| Road 258 over Pigeon Roost Branch | 1997 | 20 | Good |
| Sam Farve Road over Bayou Coco | 2001 | 20 | Good |