| US0190 over Creek | 1960 | 44,391 | Poor |
| US0061 over La 73 North | 1953 | 29,303 | Poor |
| US0190 over US 61-scenic | 1940 | 26,376 | Poor |
| LA0037 over US 61 | 1968 | 19,515 | Poor |
| Plank Road over Hurricane Creek | 1956 | 19,417 | Poor |
| US0190 over Mississippi River | 1939 | 18,380 | Poor |
| S Campus Dr over Corporation Canal | 1955 | 16,457 | Poor |
| S. Flannery Rd over Lively Bayou | 1965 | 12,710 | Poor |
| US0190 over US 61-scenic | 1940 | 12,262 | Poor |
| LA0019 over White Bayou | 1951 | 11,198 | Poor |
| Goodwood Blvd over Jones Creek | 1960 | 10,543 | Poor |
| US0061 over Baton Rouge Bayou | 1961 | 9,721 | Poor |
| LA0073 over Bayou Manchac | 1931 | 9,615 | Poor |
| LA0037 over Hubs Bayou | 1972 | 9,104 | Poor |
| Elliot Rd over Clay Cut Bayou | 1970 | 6,230 | Poor |
| Connell Village Ln over N. Branch Wards Creek | 1988 | 6,180 | Poor |
| S Tiger Bend Rd over Drainage Bayou | 1965 | 5,630 | Poor |
| Tiger Bend Rd over Drainage Bayou | 1965 | 5,630 | Poor |
| Monterrey Blvd over Jones Creek | 1960 | 5,630 | Poor |
| Catalina Ave over Engrs. Depot Canal | 1984 | 5,443 | Poor |
| Monterrey Blvd over Jones Creek | 1960 | 5,437 | Poor |
| Lanier Dr over Hurricane Creek | 1965 | 5,397 | Poor |
| Frenchtown Rd over Draughan Creek | 1960 | 4,745 | Poor |
| Gurney Rd over Drainage Bayou | 1966 | 4,025 | Poor |
| Gurney Rd over Drainage Canal | 1966 | 4,025 | Poor |
| La0327-s over Bayou Fountian | 1968 | 3,993 | Poor |
| Frenchtown Rd over Beaver Bayou | 1963 | 3,710 | Poor |
| Port Hudson-Pride over Indian Bayou | 1965 | 3,236 | Poor |
| LA0409 over Little Sandy Creek | 1955 | 3,092 | Poor |
| LA0409 over Sandy Creek | 1979 | 3,092 | Poor |
| Port Hudson-Pride over White Bayou | 1970 | 2,794 | Poor |
| Old Baker Rd. over Drain | 1963 | 2,717 | Poor |
| Pettit Rd over White Bayou | 1965 | 2,544 | Poor |
| Mchugh Rd over Brushy Bayou | 1975 | 2,520 | Poor |
| Buchanan St over Corporation Canal | 1960 | 2,500 | Poor |
| Bay St over Northdale Canal | 1960 | 2,397 | Poor |
| Bentley Dr over White Bayou | 1970 | 2,210 | Poor |
| Gibbens Rd over Cypress Bayou | 1970 | 2,125 | Poor |
| Heck Young Rd over Cypress Bayou | 1965 | 2,080 | Poor |
| Locksley Dr over Lat. of Lively Bayou | 1974 | 1,909 | Poor |
| Stanley Aubin Ln over Weiner Creek | 1960 | 1,802 | Poor |
| E. Achord Rd over Drainage Bayou | 1970 | 1,732 | Poor |
| N Achord Rd over Drainage Bayou | 1970 | 1,732 | Poor |
| Old Baker Zachary over Drainage Bayou | 1960 | 1,727 | Poor |
| Dyer Rd over South Bayou | 1960 | 1,636 | Poor |
| E Achord Rd over Drainage Bayou | 1975 | 1,570 | Poor |
| E. State St over Corporation Canal | 1960 | 1,500 | Poor |
| Carney Rd over Drainage Bayou | 1965 | 1,496 | Poor |
| S Campus Dr over Corporation Canal | 1955 | 1,390 | Poor |
| Hubbs Rd over Beaver Bayou | 1968 | 1,386 | Poor |
| Hubbs Rd over Hub Bayou | 1968 | 1,386 | Poor |
| Jackson Rd over Duff Bayou | 1970 | 1,379 | Poor |
| Jackson Rd over Beaver Creek | 1971 | 1,379 | Poor |
| Port Hudson-Pride over Duff Bayou | 1960 | 1,298 | Poor |
| Pride-Baywood Rd over Mill Creek | 1960 | 1,118 | Poor |
| Lower Zachary Rd over White Bayou | 1970 | 1,087 | Poor |
| McCullough Rd over Drainage Canal | 1967 | 1,028 | Poor |
| McCullough Rd over Drainage Bayou | 1967 | 1,028 | Poor |
| Carey Rd over Blackwater Bayou | 1960 | 1,003 | Poor |
| Mchugh Rd over Baker Canal | 1960 | 973 | Poor |
| Port Hickey Rd over Drainage Bayou | 1960 | 941 | Poor |
| E Flanacher Rd over Drainage Bayou | 1968 | 933 | Poor |
| E Flanacher Rd over Drainage Canal | 1968 | 933 | Poor |
| Victoria Dr over Hurricane Creek | 1968 | 800 | Poor |
| Port Hudson-Pride over Redwood Creek | 1963 | 777 | Poor |
| Ben Hur Rd over Elbow Bayou | 1960 | 752 | Poor |
| Angus Ave over Drainage Canal | 1966 | 722 | Poor |
| Arleen Rd over Saunders Bayou | 1969 | 721 | Poor |
| Eagle Dr over W. Branch Cypress Bayou | 1976 | 680 | Poor |
| Chaney Rd over Wind Bayou | 1972 | 668 | Poor |
| Troy St over Drain Bayou | 1975 | 600 | Poor |
| Lemon Rd over Drainage Bayou | 1965 | 542 | Poor |
| Lemon B Rd over Drainage Bayou | 1980 | 538 | Poor |
| Daniels St over Brushy Bayou | 1967 | 500 | Poor |
| Pride-Baywood Rd over Whitten Creek | 1965 | 451 | Poor |
| Pride-Baywood Rd over Kidds Creek | 1960 | 451 | Poor |
| Pinewood Dr over Beaver Bayou | 1980 | 397 | Poor |
| Auto Plex Dr over Claycut Bayou | 1978 | 389 | Poor |
| Centurion Ave over Drain Bayou | 1977 | 379 | Poor |
| Milldale Rd over Drainage Bayou | 1959 | 377 | Poor |
| Milldale Rd over Wind Bayou | 1958 | 377 | Poor |
| Milldale Rd over Drainage Canal | 1959 | 377 | Poor |
| Milldale Rd over Drainage Bayou | 1959 | 377 | Poor |
| Rodney Dr over Drainage Canal | 1960 | 350 | Poor |
| Ave G over Roadside Ditch | 1978 | 350 | Poor |
| Stoney Point Burch over Drainage Bayou | 1965 | 332 | Poor |
| Stoney Point Burch over Sandy Creek | 1965 | 332 | Poor |
| Buck Horn Dr over Drainage Bayou | 1985 | 314 | Poor |
| Nottingham St over Drainage Canal | 1963 | 300 | Poor |
| Hunt Rd over Drainage Bayou | 1965 | 220 | Poor |
| Fernwood Dr over Drainage Canal | 1960 | 200 | Poor |
| Brian Rd over Drainage Bayou | 1965 | 197 | Poor |
| Monte Sano Ave over Drain to Monte Sano Bayo | 1980 | 192 | Poor |
| Carney Rd over Bayou Baton Rouge | 1965 | 180 | Poor |
| Telesmar Ave over Clay Cut Bayou | 1970 | 150 | Poor |
| Carson Rd over Mill Creek | 1970 | 115 | Poor |
| Talmadge Crumholt over Blackwater Bayou | 1965 | 100 | Poor |
| Lee Price Rd over Whitten Creek | 1980 | 89 | Poor |
| Brian Rd over Drainage Bayou | 1965 | 86 | Poor |
| Alphonse Forbes Rd over Drainage Bayou | 1965 | 54 | Poor |
| Robinson Rd over Flanagan Bayou | 1980 | 37 | Poor |
| Neff Ln over Drainage Bayou | 1965 | 22 | Poor |
| Black Rd over Drainage Bayou | 1988 | 4 | Poor |