Culvert bridges in Louisiana
A pipe or box structure carrying water beneath the roadway. Culverts over 20 feet long are counted as bridges. Louisiana has 2,583 of them, 20.4% of its bridges. Nationally this type accounts for 23.8% of all bridges.Compare states for this type.
- Culvert bridges
- 2,583
- Poor condition
- 3%
- 87 bridges
- Average age
- 45.2 yrs
- Combined length
- 16 mi
Busiest culvert bridges in Louisiana
Top 200 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| I0010 over Drain No. 611704501007961 | East Baton Rouge Parish | 2.7 M SE of I-10&I-12 | 1972 | Culvert | 27 ft | 137,847 | Fair |
| I0010 over Drain No. 611704501008281 | East Baton Rouge Parish | 3.0 M SE of I-10&I-12 | 1972 | Culvert | 23 ft | 137,847 | Fair |
| I0010 over Drain No. 611704501008471 | East Baton Rouge Parish | 3.2 M SE of I-10&I-12 | 1972 | Culvert | 34 ft | 137,847 | Fair |
| I0010 over Drain No. 611704501009581 | East Baton Rouge Parish | 0.6 M SE of I-10&LA 3246 | 1974 | Culvert | 24 ft | 137,847 | Fair |
| I0010 over Drain No. 611704501011791 | East Baton Rouge Parish | 2.8 M SE of I-10&LA 3246 | 1974 | Culvert | 30 ft | 137,847 | Fair |
| I0010 over Drain No. 611704501013261 | East Baton Rouge Parish | 4.2 M SE of I-10&LA 3246 | 1975 | Culvert | 22 ft | 137,847 | Good |
| I0010 over Canal No. 17 No. 022604501500141 | Jefferson Parish | .9 MI East of I-310 | 1971 | Culvert | 42 ft | 126,119 | Good |
| I0010 over Canal No. 19 No. 022604501501641 | Jefferson Parish | 2.4 MI East of I-310 | 1971 | Culvert | 30 ft | 126,119 | Good |
| Allen Gordy RD over Flactor Creek Trib. No. 085831113925991 | Vernon Parish | 0.47 M. N. of LA 121 near | 1984 | Culvert | 28 ft | 100,060 | Fair |
| 18th ST at Desiard over Drainage Canal No. 053732307920621 | Ouachita Parish | 0.7 MI NW of I-20 | 1996 | Culvert | 21 ft | 100,000 | Good |
| I0020 over Drain No. 040904510103651 | Caddo Parish | .1 MI West of LA 169 | 1991 | Culvert | 43 ft | 98,318 | Fair |
| I0020 over Creek No. 040904510104461 | Caddo Parish | .8 MI East of LA 169 | 1990 | Culvert | 24 ft | 98,318 | Fair |
| I0020 over Drain No. 040904510113421 | Caddo Parish | 1.5 MI East of I-220 | 1965 | Culvert | 23 ft | 98,318 | Good |
| I0049 over Mccain CR Trib No. 040900000040295 | Caddo Parish | 3.82 MI S of LA 1 | 2016 | Culvert | 21 ft | 87,567 | Good |
| I0049 over Mccain CR No. 040900000040299 | Caddo Parish | 3.77 MI S of LA 1 | 2016 | Culvert | 65 ft | 87,567 | Good |
| I0049 over Trib. to Mccain Creek No. 040900000040327 | Caddo Parish | .52 MI N. of LA 3194 | 2016 | Culvert | 25 ft | 87,567 | Good |
| I0010 over Drain No. 071004509110861 | Calcasieu Parish | 2.3 MI East of LA 108 | 1966 | Culvert | 27 ft | 86,969 | Fair |
| I0010 over Sabine Canal No. 071004509111871 | Calcasieu Parish | 3.3 MI East of LA 108 | 1966 | Culvert | 35 ft | 86,969 | Fair |
| I0010 over Rice Canal No. 071004509115121 | Calcasieu Parish | 6.6 MI East of LA 108 | 1965 | Culvert | 30 ft | 86,969 | Fair |
| I0010 over Drain No. 071004509119531 | Calcasieu Parish | 11.0 MI East of LA 108 | 1965 | Culvert | 29 ft | 86,969 | Fair |
| I0020 over E Youngs Bayou No. 053704510620101 | Ouachita Parish | .3 MI East of US 165 | 1965 | Culvert | 24 ft | 84,225 | Fair |
| I0020 over Drain No. 053704510620981 | Ouachita Parish | 1.1 MI East of US 165 | 1968 | Culvert | 26 ft | 84,225 | Fair |
| I0010 over Drainage Canal No. 616104500808481 | West Baton Rouge Parish | 1.74 M W of LA 415&I-10 | 1968 | Culvert | 23 ft | 80,618 | Good |
| I0010 over Drainage Canal No. 616104500809751 | West Baton Rouge Parish | 0.51 M W of LA 415&I-10 | 1969 | Culvert | 47 ft | 80,618 | Fair |
| I0012 over Big Branch No. 625204540423051 | St. Tammany Parish | I0012 | 1972 | Culvert | 22 ft | 78,974 | Good |
| I0010 over Drain No. 030104500422051 | Acadia Parish | 0.6 MI East of LA 35 | 1966 | Culvert | 30 ft | 78,651 | Fair |
| I0012 over Drain No. 625204540432381 | St. Tammany Parish | 1.5 M E of US 11 | 1970 | Culvert | 30 ft | 78,215 | Fair |
| I0012 over Canal No. 623204540213761 | Livingston Parish | 0.5 M W of LA 63 | 1969 | Culvert | 28 ft | 78,208 | Good |
| I0012 over Creek No. 623204540201831 | Livingston Parish | 0.1 M W of LA 3002 | 1970 | Culvert | 32 ft | 77,469 | Good |
| I0012 over Canal No. 623204540203621 | Livingston Parish | 1.0 M E of LA 16 | 1970 | Culvert | 53 ft | 77,469 | Good |
| I0012 over Canal No. 623204540207391 | Livingston Parish | 0.2 M W of LA 447 | 1970 | Culvert | 40 ft | 77,469 | Good |
| I0012 over Drain No. 623204540209271 | Livingston Parish | 1.65 MI E. of LA 447 Int | 1970 | Culvert | 29 ft | 77,469 | Fair |
| I0012 over Creek No. 623204540222171 | Livingston Parish | 1.0 M E of LA 441 | 1968 | Culvert | 47 ft | 74,180 | Good |
| I0049 over Creek No. 032804550100881 | Lafayette Parish | 0.88 MI North of I-10 | 1963 | Culvert | 38 ft | 74,085 | Good |
| I0049 over Creek No. 032804550101451 | Lafayette Parish | 1.45 MI North of I-10 | 1963 | Culvert | 33 ft | 74,085 | Fair |
| I0020 over Drain No. 040804510202351 | Bossier Parish | .4 MI East over LA 72 | 1967 | Culvert | 24 ft | 69,892 | Fair |
| I0010 over Drain No. 071004509139361 | Calcasieu Parish | 3.5 MI East of LA 397 | 1964 | Culvert | 23 ft | 68,113 | Good |
| US0090-B over Drain Canal No. 022600000020414 | Jefferson Parish | 6.1 Miles West of Mississ | 1983 | Culvert | 26 ft | 67,143 | Good |
| US0090-B over Keyhole Canal No. 022602830907131 | Jefferson Parish | 2.7 MI East of LA 45 | 1992 | Culvert | 26 ft | 67,143 | Good |
| US0090-B over Drain No. 022602830908081 | Jefferson Parish | .6 MI East of LA 18 | 1960 | Culvert | 32 ft | 67,143 | Good |
| US0090-B over Whiskey Bayou No. 022602830908431 | Jefferson Parish | 1.0 MI East of LA 18 | 1985 | Culvert | 27 ft | 67,143 | Fair |
| US0090-B over Drain No. 022602830908881 | Jefferson Parish | 1.4 MI East of LA 18 | 1957 | Culvert | 41 ft | 67,143 | Good |
| I0010 over Drain No. 072704500301101 | Jefferson Davis Parish | 2.2 MI E of LA 383 | 1964 | Culvert | 45 ft | 66,534 | Fair |
| I0010 over Drain No. 030104500414611 | Acadia Parish | .3 MI East of I-10 | 1966 | Culvert | 24 ft | 66,003 | Good |
| I0020 over Drain No. 040804510210481 | Bossier Parish | 6.2 MI East of LA 782-2 | 1975 | Culvert | 26 ft | 62,470 | Good |
| US0090 over Creek No. 032304240401371 | Iberia Parish | 3.20 MI SE of LA 92-1 | 1963 | Culvert | 27 ft | 62,432 | Good |
| US0090 over Cypress Bayou No. 032804240212431 | Lafayette Parish | 0.2 MI North Ofla 92 | 1965 | Culvert | 31 ft | 62,432 | Good |
| US0090 over Creek No. 035004240300731 | St. Martin Parish | 0.73 MI South of LA 96 | 1965 | Culvert | 27 ft | 62,432 | Fair |
| I0020 over Steep Bayou No. 053704510612541 | Ouachita Parish | 1.6 MI East of LA 546 | 1963 | Culvert | 40 ft | 61,935 | Fair |
| I0010 over Drain No. 610304501102131 | Ascension Parish | 2.5 M N of I-10&LA 73 | 1975 | Culvert | 33 ft | 60,802 | Fair |
| I0010 over Drain No. 610304501105911 | Ascension Parish | 0.2 M S of I-10&LA 74 | 1975 | Culvert | 28 ft | 60,802 | Good |
| I0010 over Drain No. 610304501106221 | Ascension Parish | 0.5 M S of I-10&LA 74 | 1975 | Culvert | 32 ft | 60,802 | Good |
| I0010 over Drain No. 610304501107841 | Ascension Parish | 1.4 M N of LA 30 | 1975 | Culvert | 22 ft | 60,802 | Good |
| I0010 over Drain No. 610304501109851 | Ascension Parish | 0.6 M S of I-10&LA 30 | 1975 | Culvert | 24 ft | 60,802 | Fair |
| I0010 over Boyle Bayou No. 610304501110591 | Ascension Parish | 1.3 M S of I-10&LA 30 | 1979 | Culvert | 37 ft | 60,802 | Fair |
| I0049 over Drain No. 040904550802281 | Caddo Parish | 1.8 M S of LA 526 Intr | 1989 | Culvert | 22 ft | 60,171 | Fair |
| I0049 over Mccain Creek Trib. No. 040900000040326 | Caddo Parish | 0.27 Mi. N of LA 3194 | 2016 | Culvert | 25 ft | 59,221 | Fair |
| I0010 over Drain No. 030104500411881 | Acadia Parish | 2.0 MI E. of LA 91 | 1959 | Culvert | 36 ft | 58,865 | Fair |
| I0012 over Drainage No. 625304540305681 | Tangipahoa Parish | 1.4 M E of I-55 | 1970 | Culvert | 44 ft | 58,377 | Fair |
| I0210 over Drain No. 071004503004051 | Calcasieu Parish | 4.2 MI South of I-10 | 1964 | Culvert | 27 ft | 57,504 | Fair |
| I0010 over Drainage Canal No. 610304501112391 | Ascension Parish | 1.0 M SE of I-10&LA 44 | 1979 | Culvert | 27 ft | 57,444 | Good |
| I0010 over Hackett Canal No. 610304501112521 | Ascension Parish | 1.2 M SE of I-10&LA 44 | 1979 | Culvert | 39 ft | 57,444 | Fair |
| I0010 over Drainage Canal No. 610304501113651 | Ascension Parish | 0.3 M SE of I-10&LA 941 | 1979 | Culvert | 31 ft | 57,444 | Good |
| I0010 over Drain No. 032804500505811 | Lafayette Parish | 1.8 MI East of LA 93 | 1968 | Culvert | 41 ft | 56,748 | Fair |
| I0010 over Coulee Mine No. 032804500506221 | Lafayette Parish | 2.2 MI East of LA 93 | 1968 | Culvert | 30 ft | 56,748 | Fair |
| I0010 over Drain No. 032804500507071 | Lafayette Parish | 0.50 MI E of LA 3184 | 1968 | Culvert | 37 ft | 56,748 | Good |
| I0010 over Drain No. 032804500507991 | Lafayette Parish | 1.42 MI E of LA 3184 | 1968 | Culvert | 28 ft | 56,748 | Fair |
| LA3139 over Drain Canal No. 022600000020459 | Jefferson Parish | 1.5 Miles South of US 61 | 1986 | Culvert | 25 ft | 55,872 | Good |
| LA3139 over St. Peters Ditch No. 022604300101511 | Jefferson Parish | .8 MI East of LA 3154 | 1986 | Culvert | 22 ft | 55,872 | Good |
| Clearview Pkwy over Canal No. 5 No. 022629590901081 | Jefferson Parish | 0.4 Mi. N. of Airline HWY | 1982 | Culvert | 34 ft | 55,210 | Good |
| Clearview Pkwy over Canal No. 4 No. 022629596901091 | Jefferson Parish | 0.6 MI S. of Veterans HWY | 1995 | Culvert | 29 ft | 55,210 | Good |
| US0061 over Wards Creek No. 611700079002771 | East Baton Rouge Parish | 0.3 M N of US 61&LA 426 | 1965 | Culvert | 32 ft | 54,042 | Fair |
| LA3132 over Drain No. 040904270102961 | Caddo Parish | 2.0 Mi. E. of LA 511 | 1984 | Culvert | 31 ft | 53,886 | Fair |
| I0012 over Fox Branch No. 625204540403541 | St. Tammany Parish | I0012 | 1974 | Culvert | 21 ft | 53,386 | Good |
| I0012 over Sims Creek No. 625304540315581 | Tangipahoa Parish | I0012 | 1975 | Culvert | 27 ft | 53,386 | Good |
| I0012 over Bedico Cr.Relief No. 625304540316891 | Tangipahoa Parish | I0012 | 1974 | Culvert | 22 ft | 53,386 | Fair |
| I0049 over Drain No. 040900000040377 | Caddo Parish | 1.12 M. S. of LA 170 | 2013 | Culvert | 34 ft | 53,023 | Good |
| I0049 over Hartman Branch No. 040900000040390 | Caddo Parish | 0.92 MI S. of LA 168 | 2014 | Culvert | 22 ft | 53,023 | Good |
| I0049 over Nance Branch No. 040900000040400 | Caddo Parish | 0.34 Mi. N. of LA 168 | 2013 | Culvert | 22 ft | 53,023 | Good |
| I0049 over Mccain Creek No. 040900000040296 | Caddo Parish | 1.88 Mi. S. of LA 1 | 2016 | Culvert | 66 ft | 51,551 | Good |
| I0049 over Mccain Creek Trib No. 040900000040298 | Caddo Parish | 3.52 MI S of LA 1 | 2016 | Culvert | 21 ft | 51,551 | Good |
| I0110 over North Dale Canal No. 611704509201191 | East Baton Rouge Parish | 1.2 M N of I-10&I-110 | 1958 | Culvert | 43 ft | 51,236 | Fair |
| I0020 over Cypress Creek No. 053104510510971 | Lincoln Parish | 1.0 MI East of LA 147 | 1963 | Culvert | 30 ft | 50,895 | Fair |
| I0020 over Creek No. 053104510512331 | Lincoln Parish | 2.43 MI East of LA 147 | 1963 | Culvert | 51 ft | 50,895 | Poor |
| I0020 over I-20 Service Rd. No. 053104510513961 | Lincoln Parish | .5 MI East of LA 544 | 1996 | Culvert | 31 ft | 50,895 | Fair |
| I0020 over Creek No. 053104510518371 | Lincoln Parish | 2.75 MI East of LA 33 | 1960 | Culvert | 33 ft | 50,895 | Fair |
| I0020 over Creek No. 053104510519981 | Lincoln Parish | 4.35 MI East of LA 33 | 1960 | Culvert | 27 ft | 50,895 | Fair |
| I0020 over Clear Creek No. 053104510527071 | Lincoln Parish | 5.4 MI East of LA 145M | 1960 | Culvert | 44 ft | 50,895 | Fair |
| US0090 over London Ave Canal No. 023600000020462 | Orleans Parish | 0.5 Miles South of I-610 | 1960 | Culvert | 68 ft | 49,920 | Good |
| US0090 over Drain Canal No. 023600000020463 | Orleans Parish | 6.0 Miles South of I-610 | 1960 | Culvert | 20 ft | 49,920 | Good |
| US0090 over Drain Ditch No. 024500000020397 | St. Charles Parish | 1 Mile West of Davis Pond | 1999 | Culvert | 46 ft | 49,920 | Good |
| I0010 over Canal No. 610304501119201 | Ascension Parish | 0.4 M E of I-10&US 61 | 1969 | Culvert | 29 ft | 49,274 | Good |
| LA0039 over RR Canal No. 024400463200201 | St. Bernard Parish | 3.8 M East of I-10 | 1991 | Culvert | 28 ft | 47,739 | Poor |
| LA0039 over Drain Canal No. 024400463202371 | St. Bernard Parish | 2.37 MI North of LA 36 | 1967 | Culvert | 28 ft | 47,739 | Fair |
| LA3073 over Coulee No. 032800000030418 | Lafayette Parish | 0.73 MI E of LA 89 | 2009 | Culvert | 28 ft | 46,837 | Good |
| US0061 over Jones Creek No. 611700079005081 | East Baton Rouge Parish | 1.0 M SE of LA 37&US 61 | 1958 | Culvert | 27 ft | 45,876 | Good |
| I0012 over Drain No. 625304540301991 | Tangipahoa Parish | 1.0 M E of LA 1249 | 1970 | Culvert | 27 ft | 45,151 | Fair |
| LA3073 over Coulee No. 032800000030414 | Lafayette Parish | 0.1 Mile East of LA 339 | 2009 | Culvert | 49 ft | 44,689 | Good |
| LA3073 over Coulee No. 032800000030416 | Lafayette Parish | 0.6 MI SE of LA 339 | 2009 | Culvert | 36 ft | 44,689 | Good |
| LA3073 over Coulee No. 032800000030417 | Lafayette Parish | 0.57 MI E of LA 339 | 2009 | Culvert | 84 ft | 44,689 | Good |
| US0190 over Creek No. 611700000610346 | East Baton Rouge Parish | 1.1 M N of LA 37 | 1960 | Culvert | 24 ft | 44,391 | Poor |
| I0020 over Gourd Bayou No. 053704510626901 | Ouachita Parish | 7.1 MI East of US 165 | 1968 | Culvert | 33 ft | 43,420 | Fair |
| I0049 over Doe Slough Canal No. 040900000040347 | Caddo Parish | 1.0 MI South of LA 173 | 2013 | Culvert | 29 ft | 42,454 | Good |
| US0071 over Bayou Rapides No. 084000083003891 | Rapides Parish | 0.17 Mi. North of LA 496 | 1944 | Culvert | 53 ft | 42,243 | Fair |
| I0220 over Mccain Creek No. 040900000040273 | Caddo Parish | 0.83 MI SW of US 71 | 2010 | Culvert | 109 ft | 42,148 | Good |
| US0061 over Hurricane Creek No. 611700079006761 | East Baton Rouge Parish | 0.7 M NW of LA 37&US 61 | 1968 | Culvert | 45 ft | 41,834 | Good |
| I0010 over Drainage Canal No. 616104500810901 | West Baton Rouge Parish | 0.92 M E of LA 415&I-10 | 1969 | Culvert | 35 ft | 41,644 | Fair |
| I0020 over Curry Creek No. 053704510602461 | Ouachita Parish | .4 MI West of LA 151 | 1960 | Culvert | 47 ft | 40,857 | Fair |
| I0020 over Creek No. 053704510604731 | Ouachita Parish | 1.9 MI East of LA 151 | 1960 | Culvert | 37 ft | 40,857 | Fair |
| I0020 over Brownlee Creek No. 053704510605611 | Ouachita Parish | .8 MI East of US 80 | 1964 | Culvert | 33 ft | 40,857 | Fair |
| I0020 over Creek No. 053704510605612 | Ouachita Parish | .8 MI East of US 80 | 1964 | Culvert | 32 ft | 40,857 | Fair |
| I0020 over Patrick Creek No. 053704510608131 | Ouachita Parish | 3.1 MI East of US 80 | 1964 | Culvert | 46 ft | 40,857 | Fair |
| I0020 over Creek No. 053704510608142 | Ouachita Parish | 3.1 MI East of US 80 | 1964 | Culvert | 44 ft | 40,857 | Fair |
| I0020 over Creek No. 053704510609411 | Ouachita Parish | 4.4 MI East of US 80 | 1964 | Culvert | 46 ft | 40,857 | Fair |
| I0020 over Creek No. 053704510609412 | Ouachita Parish | 4.4 MI East of US 80 | 1964 | Culvert | 44 ft | 40,857 | Fair |
| I0310 over Drain Canal No. 024500000020394 | St. Charles Parish | 0.8 Miles South of Hales | 1984 | Culvert | 30 ft | 40,204 | Fair |
| I0055 over Drain No. 625304529011391 | Tangipahoa Parish | 1.8 MI N. of US 51 Bus | 1960 | Culvert | 27 ft | 39,850 | Good |
| I0020 over Drain No. 054204510704541 | Richland Parish | .24 MI East of LA 133 | 1968 | Culvert | 26 ft | 38,890 | Fair |
| I0020 over Drain No. 054204510709611 | Richland Parish | 5.3 MI East of LA 133 | 1968 | Culvert | 34 ft | 38,890 | Fair |
| I0020 over Burns Bayou No. 054204510712031 | Richland Parish | 1.5 MI East of LA 137 | 1969 | Culvert | 33 ft | 38,890 | Fair |
| I0020 over Drain No. 054204510712721 | Richland Parish | 2.2 MI East of LA 137 | 1969 | Culvert | 40 ft | 38,890 | Fair |
| I0020 over Cow Bayou No. 054204510714501 | Richland Parish | .3 MI East of LA 583 | 1969 | Culvert | 26 ft | 38,890 | Fair |
| I0020 over Hurricane Bayou No. 054204510717491 | Richland Parish | 3.2 MI East of LA 583 | 1969 | Culvert | 37 ft | 38,890 | Fair |
| I0020 over Drainage No. 054204510717831 | Richland Parish | 3.6 MI East of LA 583 | 1971 | Culvert | 32 ft | 38,890 | Fair |
| I0020 over Ash Slough No. 054204510721971 | Richland Parish | 1.0 MI East of LA 609 | 1970 | Culvert | 38 ft | 38,890 | Fair |
| I0049 over Drainage Canal No. 034904550204151 | St. Landry Parish | 1.6 MI North of LA 93 | 1962 | Culvert | 22 ft | 38,400 | Fair |
| I0020 over Black Lake Creek No. 040704510407391 | Bienville Parish | 1.3 MI East of LA 154 | 1964 | Culvert | 51 ft | 37,514 | Fair |
| I0020 over Creek No. 040704510410841 | Bienville Parish | 3.8 MI East of LA 154 | 1964 | Culvert | 24 ft | 37,514 | Fair |
| I0020 over Boggy Branch No. 040704510411571 | Bienville Parish | 4.5 MI East of LA 154 | 1964 | Culvert | 33 ft | 37,514 | Fair |
| I0020 over Saline Bayou No. 040704510416451 | Bienville Parish | 3.1 MI East of LA 9 | 1963 | Culvert | 26 ft | 37,514 | Fair |
| I0020 over Saline Bayou No. 040704510416452 | Bienville Parish | 6.4 MI W of LA 507 | 1963 | Culvert | 26 ft | 37,514 | Fair |
| I0020 over I-20 Service Rd. No. 053104510513962 | Lincoln Parish | .5 MI East of LA 544 | 1996 | Culvert | 31 ft | 37,514 | Fair |
| I0020 over Brushy Creek No. 046004510313271 | Webster Parish | 4.16 MI East of LA 159 | 1960 | Culvert | 30 ft | 37,514 | Fair |
| LA0049 over Drain No. 022602833000611 | Jefferson Parish | 0.009 MI N of Vintage DR | 1970 | Culvert | 30 ft | 36,951 | Good |
| I0010 over Drain No. 030104500405561 | Acadia Parish | 6.0 MI East of LA 97 | 1961 | Culvert | 27 ft | 36,670 | Good |
| I0220 over Bayou No. 040804513104461 | Bossier Parish | .7 MI East of LA 3105 | 1978 | Culvert | 43 ft | 35,972 | Fair |
| I0220 over Bayou No. 040804513104462 | Bossier Parish | .7 MI East of LA 3105 | 1978 | Culvert | 43 ft | 35,972 | Fair |
| I0220 over Benoit Bayou No. 040804513104791 | Bossier Parish | 1.0 MI East of LA 3105 | 1978 | Culvert | 32 ft | 35,972 | Good |
| I0220 over Benoit Bayou No. 040804513104792 | Bossier Parish | 1.0 MI East of LA 3105 | 1978 | Culvert | 32 ft | 35,972 | Good |
| I0020 over Mile Creek No. 046004510308771 | Webster Parish | 2.3 MI East of LA 371 | 1960 | Culvert | 55 ft | 32,869 | Fair |
| LA3105 over Drain No. 040808080703871 | Bossier Parish | 1.4M North of I-20 | 1992 | Culvert | 37 ft | 32,603 | Good |
| I0020 over Creek No. 053304510803031 | Madison Parish | .3 MI East of LA 577 | 1971 | Culvert | 26 ft | 31,481 | Fair |
| I0020 over Mack-Bayou No. 053304510805391 | Madison Parish | 2.6 MI East of LA 577 | 1975 | Culvert | 38 ft | 31,481 | Fair |
| I0020 over Drainage-Canal No. 053304510808161 | Madison Parish | 5.5 MI East of LA 577 | 1975 | Culvert | 35 ft | 31,481 | Fair |
| I0020 over CANAL-M32 No. 053304510811651 | Madison Parish | I0020 | 1975 | Culvert | 22 ft | 31,481 | Fair |
| I0020 over Drain No. 053304510816511 | Madison Parish | .01 MI West of US 65 | 1975 | Culvert | 31 ft | 31,481 | Fair |
| I0020 over Drainage Canal No. 053304510817411 | Madison Parish | 1.0 MI East of US 65 | 1975 | Culvert | 32 ft | 31,481 | Fair |
| I0012 over I-12 Ent Ramp No. 623204540201836 | Livingston Parish | 0.1 M W of LA 3002 | 1970 | Culvert | 32 ft | 31,285 | Good |
| I0012 over I-12 Exit Ramp No. 623204540201837 | Livingston Parish | 0.1 M W of LA 3002 | 1970 | Culvert | 32 ft | 31,285 | Good |
| Causeway@napoleon over West Nap.Canal Number 4 No. 022629595900931 | Jefferson Parish | 0.5 Mi. North of Us. 61 | 1980 | Culvert | 26 ft | 30,300 | Good |
| Veteran U-Turn over Canal No 3 No. 022630002900941 | Jefferson Parish | 0.0 Mi. Veterans Blv | 1973 | Culvert | 27 ft | 30,300 | Good |
| W. Congress over Coulee No. 032830117920451 | Lafayette Parish | 0.01 MI E of Amb Caffery | 1984 | Culvert | 28 ft | 29,990 | Fair |
| LA3154 over Drain No. 022608264403001 | Jefferson Parish | 3.0 MI North of LA 48 | 1956 | Culvert | 27 ft | 29,942 | Good |
| US0165 over Canal No. 053700160103151 | Ouachita Parish | .5 MI North of LA 840-6 | 1975 | Culvert | 62 ft | 29,759 | Fair |
| US0090 over Creek No. 032304240404931 | Iberia Parish | 3.30 MI SE of LA 88 | 1965 | Culvert | 26 ft | 29,549 | Fair |
| I0049 over Swift Bayou Canal No. 040900000040353 | Caddo Parish | 0.11 M. N. of LA 530 | 2013 | Culvert | 37 ft | 29,542 | Good |
| I0049 over Cottonwood Bayou No. 040900000040356 | Caddo Parish | 0.63 M. N. of LA 173 | 2013 | Culvert | 26 ft | 29,542 | Good |
| I0049 over Drain No. 040900000040372 | Caddo Parish | 1.11 M. S. of LA 530 | 2013 | Culvert | 32 ft | 29,542 | Good |
| US0061 over Canal Drain No. 610300070703001 | Ascension Parish | 3 MI N Inter US 61 &LA22 | 1982 | Culvert | 34 ft | 29,303 | Fair |
| I0012 over Drain No. 625204540432384 | St. Tammany Parish | 1.5 M E of US 11 | 1970 | Culvert | 30 ft | 29,236 | Fair |
| I0049 over Creek No. 041604550718571 | De Soto Parish | 0.6 MI N of LA 509 | 1985 | Culvert | 46 ft | 29,022 | Good |
| LA0045 over 16 TH Street Canal No. 022602490101071 | Jefferson Parish | 0.8 MI South of US 90B | 1973 | Culvert | 25 ft | 28,780 | Good |
| US0090 over Metairie Relief Canal No. 023600000020551 | Orleans Parish | 0.2 MI S of LA 3139 | 2018 | Culvert | 42 ft | 28,615 | Good |
| W. Esplanade over Duncan Canal No. 022600000020538 | Jefferson Parish | 0.4 MI W of LA 49 | 2020 | Culvert | 86 ft | 28,547 | Good |
| LA0023 over Weyrauch Canal No. 022600000020519 | Jefferson Parish | 1.0 Mi. S. of US 90B | 1992 | Culvert | 21 ft | 28,481 | Good |
| LA0428 over Algiers Canal No. 023600000020482 | Orleans Parish | 0.5 Mile South East of US | 2012 | Culvert | 52 ft | 28,244 | Good |
| I0049 over Creek No. 041604550718572 | De Soto Parish | 0.59 MI N of LA 509 Intr | 1985 | Culvert | 46 ft | 28,142 | Good |
| I0012 over Drain No Name No. 611704540101511 | East Baton Rouge Parish | 1.0 M E of I-10&I-12 | 1967 | Culvert | 28 ft | 28,013 | Fair |
| I0012 over Drain No. 611704540102051 | East Baton Rouge Parish | 1.5 M E of I-10&I-12 | 1967 | Culvert | 24 ft | 28,013 | Fair |
| I0012 over Honeycut Bayou No. 611704540107151 | East Baton Rouge Parish | 4.4 M E of I-12&US 61 | 1967 | Culvert | 27 ft | 28,013 | Fair |
| LA0511 over Sand Beach Bayou No. 040901020203361 | Caddo Parish | 1.2 MI East of LA 523 | 1936 | Culvert | 40 ft | 27,829 | Fair |
| US 167 over Huffman Creek No. 084000000084006 | Rapides Parish | 1.1 Mi. NE of I-49 | 1996 | Culvert | 32 ft | 27,628 | Good |
| I0010 over Drain No. 624800000620342 | St. John the Baptist Parish | 0.10 Mi. E. of LA 3188 | 1984 | Culvert | 31 ft | 27,372 | Fair |
| I0010 over Drain No. 624800000620343 | St. John the Baptist Parish | 0.75 Mi. E. of LA 3188 | 1984 | Culvert | 66 ft | 27,372 | Fair |
| US0167 over Creek No. 032800800205691 | Lafayette Parish | 0.8 MI East of LA 3073 | 1968 | Culvert | 25 ft | 27,213 | Good |
| Transcontinental D over Canal Number 2 No. 022630010901191 | Jefferson Parish | 0.7MI.N.OF Veterans | 1960 | Culvert | 25 ft | 26,950 | Good |
| LA0617 over Drainage Canal No. 053708371701651 | Ouachita Parish | 1.65 MI North of I-20 | 1981 | Culvert | 44 ft | 26,528 | Fair |
| US0171 over Drain No. 040900250807071 | Caddo Parish | 0.1 MI N of LA 525 | 1953 | Culvert | 23 ft | 26,330 | Fair |
| LA0378 over Bayou Marina No. 071008101201371 | Calcasieu Parish | 1.4 MI North of LA 379 | 1992 | Culvert | 32 ft | 25,890 | Fair |
| I0010 over Drain No. 610304501102132 | Ascension Parish | 2.5 M N of I-10&LA 73 | 1975 | Culvert | 33 ft | 25,735 | Fair |
| I0010 over Drain No. 610304501107842 | Ascension Parish | 1.4 M N of I-10&LA 30 | 1975 | Culvert | 24 ft | 25,735 | Good |
| I0010 over Canal No. 610304501109852 | Ascension Parish | 0.6 M S of I-10&LA 30 | 1975 | Culvert | 50 ft | 25,735 | Good |
| I0010 over Drainage Canal No. 610304501112392 | Ascension Parish | 1.9 MI W of LA 22 | 1979 | Culvert | 27 ft | 25,735 | Fair |
| I0010 over Hackett Canal No. 610304501112522 | Ascension Parish | 1.2 M SE of I-10&LA 44 | 1979 | Culvert | 39 ft | 25,735 | Good |
| I0010 over Drainage Canal No. 610304501113652 | Ascension Parish | 0.3 M SE of I-10&LA 941 | 1979 | Culvert | 31 ft | 25,735 | Good |
| LA0023 over Oakwood Canal No. 022600000020520 | Jefferson Parish | 2.0 MI South of US 90B | 1992 | Culvert | 23 ft | 25,594 | Good |
| LA3025 over Paved Ditch No. 032800000000092 | Lafayette Parish | 1.4 MI NW of US 167 | 1981 | Culvert | 40 ft | 25,500 | Fair |
| LA0001 over Drain No. 040900450101501 | Caddo Parish | 1.50M NW LA1/US71 Intr | 1993 | Culvert | 23 ft | 25,434 | Fair |
| LA0001 over Mcain Creek Trib No. 040900450102091 | Caddo Parish | 2.09M NW LA1/US71 Intr | 1993 | Culvert | 38 ft | 25,434 | Fair |
| I0020 over Drain No. 040804510214241 | Bossier Parish | 10.0 MI East of LA 782-2 | 1975 | Culvert | 26 ft | 25,379 | Fair |
| I0020 over Caney Branch No. 040804510218311 | Bossier Parish | 2.8 MI East of US 80 | 1975 | Culvert | 50 ft | 25,379 | Good |
| I0049 over Drain No. 084004550537561 | Rapides Parish | 2.16 Mi. North of LA 498 | 1989 | Culvert | 24 ft | 25,033 | Good |
| US0061 over Wards Creek Nb. No. 611700130405551 | East Baton Rouge Parish | 0.2 M W of US 61&US 190 | 1959 | Culvert | 24 ft | 24,979 | Fair |
| LA0001 over Drain No. 040900530903791 | Caddo Parish | .5 MI North of LA 511 | 1956 | Culvert | 23 ft | 24,739 | Fair |
| US0190 over Drain No. 611700130502861 | East Baton Rouge Parish | 2.8 M W of US 61&US 190 | 1958 | Culvert | 27 ft | 24,571 | Fair |
| LA0016 over Creek No. 623202620201791 | Livingston Parish | 1.3 M N of LA 1032 | 1965 | Culvert | 36 ft | 24,508 | Good |
| LA0070 over Stream No. 610304260301271 | Ascension Parish | 1.9 M S of LA 70&LA 22 | 1966 | Culvert | 29 ft | 24,210 | Good |
| LA0070 over Stream No. 610304260301681 | Ascension Parish | 1.4 M S of LA 70&LA 22 | 1966 | Culvert | 29 ft | 24,210 | Good |
| LA0070 over Stream No. 610304260302451 | Ascension Parish | 0.7 M S of LA 70&LA 22 | 1966 | Culvert | 22 ft | 24,210 | Good |
| I0049 over Ditch No. 084004550523241 | Rapides Parish | 4.72 Mi. North of LA 3265 | 1990 | Culvert | 28 ft | 24,080 | Good |
Counties with the most
| Caddo Parish | 153 |
| Jefferson Parish | 146 |
| Calcasieu Parish | 94 |
| Rapides Parish | 91 |
| Vernon Parish | 83 |
| Acadia Parish | 83 |
| St. Landry Parish | 81 |
| St. Tammany Parish | 77 |
| Tangipahoa Parish | 77 |
| Lafayette Parish | 75 |
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