| US 51 over Unnamed Stream | Poor | 60.0 ft | 6,400 | 1933 |
| Summit-holmesville over Clear Creek | Poor | 57.1 ft | 1,500 | 1968 |
| Irene Road over Small Creek | Poor | 76.1 ft | 440 | 1991 |
| Muddy Springs Road over Relief Tangipahoa River | Poor | 116.1 ft | 430 | 1965 |
| Pike Road 93 N over Bogue Chitto River | Poor | 427.5 ft | 410 | 1963 |
| Leatherwood Road over Small Creek | Poor | 77.4 ft | 180 | 1978 |
| Tanglewood Road over Bala Chitto Creek | Poor | 95.1 ft | 175 | 1972 |
| Spears Road over Terrys Creek | Poor | 96.8 ft | 130 | 1997 |
| First Road West over Small Drain | Poor | 64.0 ft | 100 | 1965 |
| Joe Tucker Road over Silver Springs Creek | Poor | 76.1 ft | 85 | 1993 |
| Cutrer Drive over Terrys Creek | Poor | 39.0 ft | 65 | 1991 |
| Boyd-reeves Road over Carters Creek | Poor | 77.1 ft | 50 | 1982 |
| I 55 over Tangipahoa River Relief | Fair | 43.0 ft | 18,000 | 1960 |
| US 98 over Cnic Rr | Fair | 306.1 ft | 18,000 | 1940 |
| US 98 over Unnamed Stream | Fair | 44.9 ft | 18,000 | 1939 |
| I 55 over SR 570 | Fair | 227.0 ft | 14,500 | 1959 |
| I 55 over SR 570 | Fair | 227.0 ft | 14,500 | 1959 |
| I 55 over SR 24/us 98 East | Fair | 229.7 ft | 12,000 | 1959 |
| I 55 over Beaver Creek | Fair | 160.1 ft | 11,500 | 1965 |
| I 55 over Beaver Creek | Fair | 160.1 ft | 11,500 | 1965 |
| I 55 over Tangipahoa River | Fair | 321.9 ft | 9,000 | 1960 |
| I 55 over Tangipahoa River | Fair | 321.9 ft | 9,000 | 1960 |
| US 51 over Stream | Fair | 22.0 ft | 6,400 | 1933 |
| US 51 over Stream | Fair | 22.0 ft | 5,900 | 1933 |
| SR 48 over Minnehaha Creek | Fair | 39.0 ft | 5,700 | 1952 |
| US 98 over I 55 | Fair | 274.3 ft | 5,400 | 1959 |
| SR 44 over Bogue Chitto River | Fair | 339.9 ft | 4,700 | 1960 |
| Pearl River Avenue over Cn Railroad | Fair | 465.9 ft | 3,940 | 1973 |
| Old HWY 24 over Martin Creek | Fair | 57.1 ft | 2,810 | 1981 |
| SR 570 over Bogue Chitto River | Fair | 379.9 ft | 2,700 | 1963 |
| Delaware Avenue over I 55 | Fair | 272.0 ft | 2,700 | 1959 |
| SR 570 over Clear Creek | Fair | 26.9 ft | 2,400 | 1983 |
| Park Drive over Little Tangipahoa River | Fair | 113.8 ft | 1,800 | 1954 |
| Old Brookhaven Rd. over Beaver Creek | Fair | 68.9 ft | 1,700 | 1983 |
| Old Brookhaven Rd. over Roberts Creek | Fair | 57.4 ft | 1,600 | 1983 |
| SR 44 over Topisaw Creek | Fair | 299.9 ft | 1,400 | 1958 |
| Magnolia-progress over Bala Chitto Creek | Fair | 220.1 ft | 1,320 | 1979 |
| Fernwood Road over I 55 | Fair | 229.0 ft | 1,300 | 1961 |
| Johnston Stat. Rd. over Clabber Creek | Fair | 90.6 ft | 1,200 | 1959 |
| Osyka Progress Rd. over Tangipahoa River | Fair | 460.0 ft | 1,100 | 1982 |
| Hwy. 570 North Ext over West Topisaw Creek | Fair | 279.9 ft | 850 | 1972 |
| Prewett Street over Minnehaha Creek | Fair | 95.1 ft | 750 | 2003 |
| M. L. King DR Ext. over Clear Creek | Fair | 40.7 ft | 750 | 1989 |
| Alford Bridge Rd. over Bogue Chitto River | Fair | 426.5 ft | 690 | 1959 |
| Meadville Street over Canadian National Rr | Fair | 104.7 ft | 675 | 2004 |
| Hamp Lea Road over Tangipahoa River | Fair | 200.1 ft | 650 | 1964 |
| Old HWY 24 over Small Drain | Fair | 21.0 ft | 650 | 1935 |
| C.d. Rayborn Road over Dog River | Fair | 92.8 ft | 650 | 1983 |
| Hamp Lea Road over Relief Tangipahoa River | Fair | 76.1 ft | 630 | 1977 |
| N Cherry Street over Town Creek | Fair | 21.7 ft | 620 | 1960 |
| Osyka Progress Rd. over Relief Bala Chitto Riv | Fair | 154.9 ft | 610 | 1991 |
| Osyka Progress Rd. over Bala Chitto Creek | Fair | 192.9 ft | 610 | 1991 |
| River Road South over No Name Creek | Fair | 76.1 ft | 590 | 1988 |
| Summit St. over Small Drain | Fair | 27.6 ft | 500 | 2009 |
| South Locust St. over Small Drain | Fair | 24.6 ft | 470 | 1975 |
| Georgia Ave. over Small Drain | Fair | 26.6 ft | 470 | 2009 |
| First Road West over Terrys Creek | Fair | 145.0 ft | 460 | 1962 |
| New York Ave. over Small Drain | Fair | 31.2 ft | 460 | 2009 |
| Enterprise Road over Little Tangipahoa River | Fair | 38.1 ft | 450 | 1965 |
| Muddy Springs Road over Tangipahoa River | Fair | 279.9 ft | 430 | 1965 |
| Johnston Stn Road over Beaver Creek | Fair | 68.9 ft | 370 | 2012 |
| Pike Road 93 C. over Love Creek | Fair | 57.1 ft | 360 | 1963 |
| Dogwood Trail over Bars Branch | Fair | 126.0 ft | 360 | 1977 |
| SR 48 over I 55 | Fair | 274.9 ft | 355 | 1960 |
| Mt. Herman Road over Silver Springs Creek | Fair | 143.0 ft | 350 | 2007 |
| Pike Road 93 S. over Bala Chitto Creek | Fair | 95.1 ft | 350 | 1968 |
| Hamp Lea Road over Relief Tangipahoa River | Fair | 113.8 ft | 340 | 1977 |
| Grant Street over Canadian National Rr | Fair | 125.0 ft | 320 | 1992 |
| Pike Road 93 S. over Large Drain | Fair | 28.9 ft | 300 | 1969 |
| Van Norman Curve over Small Drain | Fair | 68.9 ft | 300 | 2001 |
| River Road North over Lazy Creek | Fair | 116.1 ft | 300 | 1964 |
| Cole Thomas Road over Clear Creek | Fair | 81.0 ft | 300 | 1997 |
| Cole Thomas Road over Clear Creek | Fair | 76.1 ft | 280 | 1985 |
| Summit-holmesville over Small Drain | Fair | 76.1 ft | 245 | 1975 |
| Old Liberty Road over I 55 | Fair | 274.9 ft | 230 | 1960 |
| Leatherwood Road over Leatherwood Creek | Fair | 211.0 ft | 200 | 1985 |
| High Point Road over Clabber Creek | Fair | 57.1 ft | 160 | 1994 |
| Martin Road over Tangipahoa River | Fair | 240.2 ft | 155 | 1995 |
| Mckenzie Road over Martin Creek | Fair | 76.1 ft | 155 | 1970 |
| Stewart Mill Road over Large Drain | Fair | 113.8 ft | 140 | 1978 |
| Friendship Road over Small Creek | Fair | 76.1 ft | 135 | 1969 |
| Cowart-price Road over Carters Creek | Fair | 113.8 ft | 130 | 1983 |
| Irma Drive over Bala Chitto Creek | Fair | 76.8 ft | 130 | 2018 |
| Holden Road over Little Tangipahoa River | Fair | 76.1 ft | 130 | 2015 |
| Mccomb-holmesville over Small Creek | Fair | 68.9 ft | 115 | 1986 |
| Old 51 South over Small Drain | Fair | 38.1 ft | 115 | 2013 |
| Silver Drive over Large Drain | Fair | 92.8 ft | 110 | 1999 |
| Church Road over Small Creek | Fair | 28.9 ft | 110 | 2007 |
| Church Road over Terrys Creek | Fair | 120.1 ft | 105 | 1981 |
| Terrys Creek Road over Small Creek | Fair | 58.4 ft | 95 | 1970 |
| Terrys Creek Road over Terrys Creek Relief | Fair | 57.7 ft | 95 | 1980 |
| Gladhurst Road over Bala Chitto Creek | Fair | 200.1 ft | 80 | 1998 |
| Fortenberry Road over Small Drain | Fair | 25.6 ft | 75 | 2001 |
| W. Topisaw South over Small Drain | Fair | 57.1 ft | 75 | 1970 |
| Glen Carter Road over Terrys Creek | Fair | 92.8 ft | 60 | 1969 |
| Progress-lexie Rd. over Small Creek | Fair | 33.1 ft | 60 | 2005 |
| Lablanc Road over Small Creek | Fair | 56.1 ft | 55 | 1987 |
| Magnlia-holmesvill over Bars Branch | Fair | 76.1 ft | 55 | 1992 |
| Blazo Road over Large Drain | Fair | 55.4 ft | 55 | 2017 |
| Union Church Road over Love Creek | Fair | 24.0 ft | 55 | 2014 |
| I 55 over Minnehaha Creek | Good | 51.8 ft | 22,000 | 1960 |
| I 55 over Tangipahoa River Trib | Good | 43.0 ft | 18,000 | 1960 |
| SR 24 over Unnamed Stream | Good | 24.9 ft | 14,000 | 1939 |
| SR 24 over Little Tangipahoa River | Good | 33.1 ft | 14,000 | 1976 |
| I 55 over Little Tangipahoa River | Good | 154.9 ft | 13,000 | 1959 |
| I 55 over Little Tangipahoa River | Good | 154.9 ft | 13,000 | 1959 |
| I 55 over SR 24/us 98 East | Good | 229.7 ft | 12,000 | 1959 |
| US 51 over Clear Creek | Good | 32.8 ft | 11,000 | 2000 |
| US 51 over Unnamed Creek | Good | 46.6 ft | 7,300 | 2002 |
| SR 48 over Little Tangipahoa River | Good | 259.8 ft | 7,300 | 1971 |
| SR 908 over Cnic Rr | Good | 132.9 ft | 6,900 | 1999 |
| US 51 over Unnamed Stream | Good | 32.2 ft | 5,900 | 1933 |
| SR 24 over Tangipahoa River Trib | Good | 20.0 ft | 5,700 | 1939 |
| SR 24 over Tangipahoa River | Good | 361.9 ft | 5,700 | 1993 |
| SR 24 over Tangipahoa River Relief | Good | 122.0 ft | 5,700 | 1993 |
| SR 48 over Unnamed Stream | Good | 22.0 ft | 5,200 | 1972 |
| SR 44 over Clear Creek | Good | 202.1 ft | 4,700 | 1982 |
| US 51 over Little Tangipahoa Relief | Good | 47.9 ft | 4,400 | 1997 |
| US 51 over Little Tangipahoa Relief | Good | 200.1 ft | 4,400 | 1997 |
| US 51 over Little Tangipahoa River | Good | 421.6 ft | 4,400 | 1997 |
| Pearl River Avenue over Town Creek | Good | 30.2 ft | 3,940 | 1973 |
| US 98 over Bogue Chitto River | Good | 698.2 ft | 3,850 | 1987 |
| US 98 over Bogue Chitto River | Good | 698.2 ft | 3,850 | 1987 |
| S Magnolia Street over Small Stream | Good | 20.0 ft | 3,410 | 1982 |
| US 98 over Tangipahoa River | Good | 120.1 ft | 3,300 | 1959 |
| SR 570 over Little Tangipahoa River | Good | 122.0 ft | 3,300 | 1982 |
| SR 570 over Mocassin Creek | Good | 23.0 ft | 2,700 | 1983 |
| SR 570 over Three Mile Branch | Good | 23.0 ft | 2,700 | 1983 |
| Park Drive over I 55 | Good | 272.0 ft | 2,700 | 1959 |
| Delaware Ave. Ext over Little Tangipahoa River | Good | 28.9 ft | 2,200 | 1969 |
| US 51 over Lake Dixie Springs | Good | 160.1 ft | 1,800 | 2011 |
| US 51 over Tangipahoa River | Good | 323.8 ft | 1,700 | 2011 |
| US 51 over Tangipahoa Relief | Good | 218.8 ft | 1,700 | 2011 |
| US 51 over Minnehaha Creek | Good | 222.4 ft | 1,700 | 2011 |
| SR 48 over Bala Chitto Relief | Good | 36.1 ft | 1,500 | 1982 |
| SR 48 over Bala Chitto Creek | Good | 122.0 ft | 1,500 | 1982 |
| SR 48 over Bala Chitto Relief | Good | 21.0 ft | 1,500 | 1982 |
| SR 568 over Terrys Creek | Good | 24.0 ft | 1,300 | 1942 |
| SR 568 over I 55 | Good | 240.2 ft | 1,300 | 1960 |
| Ernwood Road over Martin Creek | Good | 110.9 ft | 1,300 | 2023 |
| Airport-fernwood over Minnehaha Creek | Good | 28.5 ft | 1,140 | 2007 |
| Osyka Progress Rd. over Relief Tangipahoa River | Good | 170.9 ft | 1,100 | 2001 |
| Fernwood Road over Little Tangiaphoa River | Good | 231.0 ft | 1,085 | 2014 |
| Robb Street over I 55 | Good | 227.0 ft | 900 | 1959 |
| Enterprise Road over I 55 | Good | 275.3 ft | 810 | 1959 |
| M. L. King DR Ext. over Small Stream | Good | 24.6 ft | 800 | 1989 |
| SR 584 over Terrys Creek | Good | 241.5 ft | 790 | 1997 |
| SR 584 over I 55 | Good | 266.1 ft | 790 | 1965 |
| SR 48 over NW Ramp I 55 | Good | 120.1 ft | 710 | 1960 |
| Old HWY 24 over Small Drain | Good | 24.6 ft | 710 | 1988 |
| US 51 over Stream | Good | 21.0 ft | 700 | 2011 |
| River Road North over No Name Creek | Good | 24.6 ft | 520 | 2009 |
| Michigan Ave. over Small Drain | Good | 26.9 ft | 460 | 2009 |
| Irene Road over Small Creek | Good | 120.1 ft | 440 | 2004 |
| Muddy Springs Road over Small Creek | Good | 24.0 ft | 430 | 2004 |
| SR 575 over Creek | Good | 20.0 ft | 420 | 2017 |
| SR 575 over Creek | Good | 32.2 ft | 420 | 2017 |
| SR 575 over Silver Spring Creek | Good | 122.4 ft | 420 | 1998 |
| Hamp Lee Road over I 55 | Good | 229.0 ft | 410 | 1960 |
| Pike Road 93 S. over Forest Branch | Good | 120.4 ft | 390 | 2007 |
| SR 48 over I 55 | Good | 272.0 ft | 355 | 1960 |
| Centerville Road over Tan Creek | Good | 37.4 ft | 350 | 1994 |
| N Caston Street over Small Stream | Good | 33.1 ft | 350 | 1945 |
| Mccomb-holmesville over Large Drain | Good | 20.0 ft | 330 | 2013 |
| Pike Road 93 C. over Bars Branch | Good | 120.1 ft | 320 | 1967 |
| Mccomb-holmesville over Small Drain | Good | 24.6 ft | 310 | 1969 |
| First Road West over I 55 | Good | 395.0 ft | 280 | 1965 |
| Elarton Road over I 55 | Good | 428.1 ft | 280 | 1965 |
| Chatawa Road over I 55 | Good | 372.0 ft | 280 | 1965 |
| County Line Road over I 55 | Good | 367.1 ft | 280 | 1965 |
| Turnpike Road over Topisaw Creek | Good | 311.0 ft | 251 | 1981 |
| Enterprise Road over Tangipahoa River | Good | 319.9 ft | 250 | 1976 |
| Leatherwood Road over Topisaw Creek | Good | 380.2 ft | 215 | 2015 |
| Smithburg Road over Silver Springs Creek | Good | 143.0 ft | 210 | 2004 |
| Stewart Mill Road over Clear Creek | Good | 92.8 ft | 210 | 2000 |
| Dudley Rimes Road over Small Creek | Good | 57.1 ft | 200 | 1958 |
| Schmitt Road over Small Creek | Good | 20.0 ft | 180 | 1999 |
| East Fernwood Rd. over Small Creek | Good | 68.9 ft | 170 | 2001 |
| Wardlow Road over I 55 | Good | 240.2 ft | 160 | 1960 |
| Old Liberty Road over Little Tangipahoa River | Good | 102.0 ft | 160 | 2009 |
| Willis Cotton Road over Haymans Creek | Good | 68.9 ft | 160 | 2004 |
| Von Beard Lane over Clear Creek | Good | 162.1 ft | 160 | 1996 |
| Love Creek Drive over Love Creek | Good | 120.1 ft | 155 | 2015 |
| Martin Road over Relief Tangipahoa River | Good | 24.6 ft | 150 | 1996 |
| Tanglewood Road over Bala Chitto Creek | Good | 143.0 ft | 130 | 1992 |
| Wardlaw Road over Little Tangipahoa River | Good | 120.1 ft | 130 | 2008 |
| Berthadale Road over Small Drain | Good | 33.1 ft | 125 | 2006 |
| Mckenzie Road over Small Drain | Good | 68.9 ft | 125 | 2020 |
| Brent Road over Topisaw Creek | Good | 419.9 ft | 125 | 2019 |
| Emerald-stateline over Large Drain | Good | 92.8 ft | 120 | 2011 |
| Emerald-stateline over Small Drain | Good | 68.9 ft | 120 | 2007 |
| Robert Jones Road over Tangipahoa River | Good | 92.8 ft | 120 | 2001 |
| Lazy Hefier Road over Small Drain | Good | 68.9 ft | 115 | 1998 |
| Foxchase Road over Mcnab Creek | Good | 150.9 ft | 110 | 2019 |
| Chester Reeves Rd. over Small Creek | Good | 20.7 ft | 100 | 2007 |
| St. Mary Road over Tangipahoa River | Good | 140.7 ft | 99 | 2013 |
| Old 51 South over Large Creek | Good | 92.8 ft | 90 | 2013 |
| South Yard Road over Town Creek | Good | 92.8 ft | 85 | 1996 |
| Raborn Road over Small Creek | Good | 33.1 ft | 80 | 2014 |
| Adams Road over Town Creek | Good | 102.0 ft | 80 | 2015 |
| Silver Drive over Silver Springs Creek | Good | 154.9 ft | 75 | 1999 |
| Clem Nettles Road over Small Drain | Good | 24.0 ft | 75 | 2004 |
| Dykes-walthall Rd. over Silver Creek | Good | 68.9 ft | 75 | 2020 |
| Silver Drive over Silver Creek | Good | 92.8 ft | 70 | 2003 |
| School Street over Small Stream | Good | 34.1 ft | 65 | 2018 |
| Hamilton Street over Small Creek | Good | 59.1 ft | 60 | 2023 |
| Line Creek Road over Trinity Creek | Good | 92.8 ft | 55 | 2003 |
| Jewel Drive over Small Creek | Good | 20.3 ft | 55 | 2006 |
| Fred Bacot Road over Lazy Creek | Good | 130.9 ft | 55 | 2000 |
| Welsh Road over Small Drain | Good | 68.9 ft | 50 | 2003 |
| Lindbergh Road over Small Creek | Good | 92.8 ft | 50 | 2001 |