| I0010 over UP Railroad | 1972 | 60,154 | Fair |
| I0010 over Bridge 250 Ebl | 1974 | 58,734 | Good |
| I0010 over La 77 La 411 Bayou | 1972 | 58,734 | Fair |
| I0010 over Trinity Drainage Canal | 1971 | 58,734 | Fair |
| I0010 over UP Railroad | 1972 | 58,734 | Fair |
| I0010 over West Floodway | 1972 | 42,449 | Fair |
| I0010 over Whiskey Bay Channel | 1972 | 42,449 | Fair |
| I0010 over Br 250 Westbound | 1974 | 41,644 | Good |
| I0010 over La 77 La 411 Bayou | 1972 | 41,644 | Fair |
| I0010 over LA975 E Floodway LA3000 | 1972 | 21,450 | Fair |
| I0010 over Atchafalaya Floodway | 1991 | 20,508 | Good |
| LA0030 over Bayou Manchac | 1967 | 17,089 | Fair |
| LA0030 over Bayou Paul | 1966 | 17,089 | Good |
| LA0001 over Bayou Plaquemine | 1950 | 10,843 | Poor |
| LA0001 over B.plaquemine | 1979 | 10,350 | Fair |
| LA0030 over Bayou Braud | 1968 | 8,090 | Good |
| LA0076 over Bayou Grosse Tete | 1973 | 7,562 | Fair |
| LA0076 over Lower Maringouin Canal | 1964 | 7,562 | Good |
| LA0076 over No Name | 1952 | 7,562 | Fair |
| LA0076 over Stream No Name | 1952 | 7,562 | Poor |
| LA0076 over W-8 Main Canal | 1952 | 7,562 | Fair |
| LA0074 over Bayou Breaux | 1955 | 5,692 | Fair |
| LA0001 over Labutte Bayou | 1985 | 5,075 | Good |
| LA0001 over Labutte Bayou | 1986 | 5,055 | Good |
| LA0077 over Bayou Maringouin | 1964 | 4,376 | Fair |
| LA0077 over Port Allen Lock | 1961 | 4,376 | Poor |
| LA0077 over Richard Bayou | 1968 | 4,376 | Fair |
| LA0069 over False Branch | 1962 | 3,301 | Good |
| LA0069 over Muddy Bayou | 1962 | 3,301 | Fair |
| LA0075 over Bayou Breaux | 2024 | 3,144 | Good |
| Enterprise Blvd over Bayou Plaquemine | 2005 | 3,094 | Good |
| Enterprise Blvd over Drainage Canal | 2007 | 3,094 | Good |
| LA0327 over Bayou Paul | 2016 | 2,969 | Good |
| LA0075 over Bayou Breaux | 1969 | 2,943 | Poor |
| LA0076 over Bayou Maringouin | 1962 | 2,899 | Good |
| La3066-s over Plaquemine Bayou/ind Vil | 1971 | 2,287 | Fair |
| LA0988 over Bayou Bourbeu | 1958 | 2,205 | Fair |
| LA0988 over Dow Drainage | 1958 | 2,205 | Fair |
| LA3066 over Centennial Canal | 1968 | 2,052 | Poor |
| I0010 over East Floodway | 1972 | 1,585 | Fair |
| LA0075 over Milly Canal | 2011 | 1,490 | Good |
| LA0977 over B.grosse Tete | 1980 | 1,132 | Fair |
| Bayou Paul Ln over Bayou Paul | 1994 | 985 | Good |
| LA3000 over Ramah Canal | 1957 | 965 | Good |
| By Grosse Tete Xng over Bayou Grosse Tete | 1967 | 960 | Fair |
| LA0997 over B Pigeon/lower Grand R. | 1957 | 845 | Poor |
| Evergreen Rd over Hwy 1 Road Side Ditch | 1950 | 800 | Good |
| I0010 Frontage Rd over Bridge 251 Fr.rd | 1974 | 752 | Fair |
| Gracie Ln over Levee Barrow Pit | 2017 | 681 | Fair |
| I0010 over I-10 Ramp | 1972 | 668 | Fair |
| Bayou Rd over Maringouin Bayou | 1984 | 560 | Good |
| I0010 over Bayou Grosse Tete | 1972 | 557 | Fair |
| I0010 over Bayou Grosse Tete | 1972 | 557 | Fair |
| I0010 over I-10 Ramp | 1972 | 557 | Fair |
| I0010 over I-10 Ramp | 1972 | 557 | Fair |
| LA0404 over Bayou Black | 1970 | 551 | Fair |
| LA0404 over Bayou Choctaw | 2019 | 551 | Good |
| LA0404 over Bayou Daniel | 1955 | 551 | Fair |
| LA0404 over Bayou Tigris | 1955 | 551 | Poor |
| LA0404 over Levy Canal | 1962 | 551 | Fair |
| Mimms Rd over Levee Borrow Pit | 2014 | 550 | Good |
| LA0996 over Grand Bayou | 1973 | 524 | Fair |
| LA0386 over Catfish Canal | 1962 | 523 | Good |
| La0075-s over Upper Grand R/b Sorrel | 1965 | 514 | Fair |
| Sidney Rd over Port Allen Lock | 1966 | 400 | Poor |
| I0010 over Trinity Drainage Canal | 1971 | 298 | Fair |
| Derric Rd over Norman Canal | 2016 | 250 | Good |
| By Grosse Tete Xng over Bayou Gross Tete | 2007 | 220 | Good |
| LA0995 over False Branch | 1964 | 196 | Poor |
| Bayou Paul Rd over Bayou Paul | 1972 | 160 | Fair |
| Callegan Rd over Drainage Bayou | 1970 | 160 | Fair |
| W Oak Ln over Bayou Maringouin | 1992 | 130 | Fair |
| Ridge Rd over Bayou Danials | 1998 | 120 | Good |
| Centerville Rd over Drainage Bayou | 1970 | 110 | Fair |
| I0010 over I-10 Ramp | 1972 | 108 | Fair |
| Gracie St over Levee Borrow Pit | 1995 | 100 | Fair |
| Grand Rd over Drainage Canal | 1975 | 90 | Poor |
| Hurdle Rd over Bayou Maringouin | 1984 | 50 | Fair |
| Myles Rd over Sigur Bayou Lateral | 1984 | 30 | Good |
| Musson Ln over Levee Bar Pit | 2014 | 15 | Good |