Total Bridges
12,699
Public highway bridges in Louisiana
State profile · Above median Poor share
Louisiana bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Louisiana, based on the FHWA National Bridge Inventory.
- 12,699
- Public bridges
- 36.2%
- Good condition
- 11.0%
- Poor condition
Data updated May 2026
Good Condition
36.2%
4,603 bridges rated 7-9
-13.8pp vs 50% benchmark
Poor Condition
11.0%
1,397 bridges whose lowest applicable component is rated 0-4
4.0pp vs national avg 7.0%
Louisiana vs national bridge condition
Louisiana - Good condition share 36.2%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Louisiana - Poor-condition share 36.7%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (64)
Acadia 282 Allen 178 Ascension 216 Assumption 68 Avoyelles 147 Beauregard 221 Bienville 190 Bossier 270 Caddo 682 Calcasieu 463 Caldwell 124 Cameron 58 Catahoula 70 Claiborne 148 Concordia 42 De Soto 201 East Baton Rouge 548 East Carroll 55 East Feliciana 133 Evangeline 156 Franklin 131 Grant 209 Iberia 143 Iberville 80 Jackson 163 Jefferson 379 Jefferson Davis 240 LaSalle 195 Lafayette 323 Lafourche 130 Lincoln 171 Livingston 253 Madison 104 Morehouse 136 Natchitoches 313 Orleans 382 Ouachita 337 Plaquemines 34 Pointe Coupee 50 Rapides 523 Red River 63 Richland 207 Sabine 195 St. Bernard 47 St. Charles 82 St. Helena 139 St. James 26 St. John the Baptist 40 St. Landry 317 St. Martin 116 St. Mary 124 St. Tammany 360 Tangipahoa 477 Tensas 52 Terrebonne 215 Union 121 Vermilion 261 Vernon 341 Washington 285 Webster 194 West Baton Rouge 73 West Carroll 88 West Feliciana 108 Winn 220
Louisiana vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Louisiana on the same metric.
PA
Pennsylvania
10.50% top marginal rate
ND
North Dakota
10.84% top marginal rate
LA
Louisiana
11.00% top marginal rate
PR
Puerto Rico
11.98% top marginal rate
ME
Maine
13.23% top marginal rate
Bridges Needing Most Attention in Louisiana
Six lowest-condition bridges in Louisiana, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Layton Coco Xing
PoorOver: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Built 1986 Load: 0.9 t ADT: 40
LA1077
PoorOver: BLACK BAYOU
1.1 M S OF LA 22, St. Tammany, LA
Built 1965 Load: 0.9 t ADT: 1,019
LA0308
PoorOver: BAYOU LAFOURCHE
.01 MI NORTH OF LA 1, Lafourche, LA
Built 1970 Load: 1.0 t ADT: 5,198
Ebeneezer Tap Rd
PoorOver: JONES CREEK
0.65 Mi South of LA 500, LaSalle, LA
Built 1989 Load: 1.2 t ADT: 300
Anderson Rd
PoorOver: HYDE BR.
2 MI S OF 1054 & 440, Tangipahoa, LA
Built 1960 Load: 1.2 t ADT: 25
Stubblefield Rd
PoorOver: BAYOU ROUGE
APPROX. 1 M. S. OF LA 361, Avoyelles, LA
Built 1975 Load: 2.3 t ADT: 40
All Bridges in Louisiana
LA0033
FairOver: Flathead Canal
1.89 Mi N. of Jct. 1-20, Lincoln, LA
Built 2009 Load: 49.9 t ADT: 11,331
UNNAMED ROAD
FairOver: ODOM CREEK
VE 815 703, Natchitoches, LA
Built 2005 Load: 49.9 t ADT: 40
I0020
FairOver: I20;RAMP 4
1.2 MI EAST OF LA 34, Ouachita, LA
Built 1965 Load: 49.9 t ADT: 15,642
LA0070
FairOver: OFF RAMP
LA70 Offramp 0.5 M E LA44, St. James, LA
Built 1964 Load: 49.9 t ADT: 6,786
LA0070
FairOver: RAMP EB
LA70 EB ramp 0.5 M E LA44, St. James, LA
Built 1964 Load: 49.9 t ADT: 6,786
LA0021
FairOver: BOGGY BRANCH
LA0021, Washington, LA
Built 1965 Load: 49.9 t ADT: 6,741
I0010
FairOver: BRIDGE 290 WBL
4.85 M W of LA 415&I-10, West Baton Rouge, LA
Built 1973 Load: 49.9 t ADT: 41,644
Crowe Rd
FairOver: LYON BAYOU
WEST CARROLL PARISH, West Carroll, LA
Built 1990 Load: 49.9 t ADT: 112
US0084
FairOver: JACKSON CREEK
4.2 MI EAST OF LA 763, De Soto, LA
Built 1951 Load: 50.2 t ADT: 4,394
I0049
FairOver: DRAINAGE CANAL
2.30 MI NORTH OF LA 182, St. Landry, LA
Built 1963 Load: 50.2 t ADT: 2,777
LA0154
FairOver: BRANCH
0.18 MI S OF LA 516, Bienville, LA
Built 1951 Load: 50.5 t ADT: 429
MERMENTAU RIVER RD
FairOver: KINGS BAYOU
0.60 MILES NORTH OF LA 82, Cameron, LA
Built 2015 Load: 50.5 t ADT: 82
SWEETLAKE CAMP RD.
FairOver: CREEK
0.8 MI S OF LA 384, Cameron, LA
Built 2015 Load: 50.5 t ADT: 128
LA0147
FairOver: DUDGEMONA RIVER
1.0 MI WEST OF US 167, Jackson, LA
Built 2003 Load: 50.5 t ADT: 3,480
I0010
FairOver: DRAIN
1.4 MI E of LA 99, Jefferson Davis, LA
Built 1964 Load: 50.5 t ADT: 838
I0020
FairOver: CREEK
4.35 MI EAST OF LA 33, Lincoln, LA
Built 1960 Load: 50.5 t ADT: 50,895
LA0008
FairOver: CREEK
5.5 MI. EAST OF LA 119, Rapides, LA
Built 1996 Load: 50.5 t ADT: 1,226
LA0177
FairOver: DOLET BAYOU
3.54 MI NORTH OF LA 346, De Soto, LA
Built 1988 Load: 50.8 t ADT: 2,878
I0110
FairOver: HOLLYWOOD OFF RAMP (N.B.
I0110, East Baton Rouge, LA
Built 1971 Load: 50.8 t ADT: 3,863
LA0006
FairOver: WINN CREEK
1.54 MI. WEST OF LA 6, Natchitoches, LA
Built 1967 Load: 50.8 t ADT: 5,328
LA0034
FairOver: LAPINE CREEK BRIDGE
.76 MI EAST OF LA 546, Ouachita, LA
Built 1970 Load: 50.8 t ADT: 8,694
I0020
FairOver: CYPRESS CREEK
3.1 MI EAST OF LA 583, Richland, LA
Built 1969 Load: 50.8 t ADT: 38,890
I0020
FairOver: CYPRESS CREEK
3.1 MI EAST OF LA 583, Richland, LA
Built 1969 Load: 50.8 t ADT: 16,997
LA0014
FairOver: CREEK
2.1 Miles West of LA 91, Vermilion, LA
Built 1958 Load: 51.2 t ADT: 1,717
LA0002-A
FairOver: CREEK
1.8 MI EAST OF LA 520, Claiborne, LA
Built 1972 Load: 51.5 t ADT: 389
US0071
FairOver: DRAINAGE DITCH
2.15 MI. NORTH OF LA 3170, Rapides, LA
Built 1973 Load: 51.5 t ADT: 5,157
I0020
FairOver: BLACK LAKE BAYOU
.01 MI EAST WEBSTER/BIENV, Bienville, LA
Built 1960 Load: 51.7 t ADT: 37,514
I0020
FairOver: BLACK LAKE BAYOU
.01 MI EAST WEBSTER/BIENV, Bienville, LA
Built 1960 Load: 51.7 t ADT: 37,514
I0020
FairOver: CROWS CR RELIEF
0.30M EAST WEBSTER PH, Bienville, LA
Built 1960 Load: 51.7 t ADT: 37,514
I0110
FairOver: CONVENTION ST. OFF RAMP
I0110, East Baton Rouge, LA
Built 1963 Load: 51.7 t ADT: 4,381
I0020
FairOver: I20;RAMP N5
2.2 MI EAST OF LA 34, Ouachita, LA
Built 1965 Load: 51.7 t ADT: 15,642
LA0023
FairOver: SUNRISE PUMP STATION CAN
50.9 MI SOUTH OF LA 406, Plaquemines, LA
Built 1980 Load: 51.7 t ADT: 3,416
Sligo Rd
FairOver: Foxskin Bayou
0.80 MI W OF LA 157, Bossier, LA
Built 2019 Load: 51.8 t ADT: 2,000
CHENIER PERDUE RD.
FairOver: LITTLE CHENIER BAYOU
0.01 MILES E OF LA 1143, Cameron, LA
Built 2015 Load: 51.8 t ADT: 341
PEASON RD
FairOver: SULPHUR BRANCH
2.76 MI. SW OF LA 118, Sabine, LA
Built 1984 Load: 51.8 t ADT: 60
Brewster Rd
FairOver: PIPE AT BLACK RIVER
LA 1077 9.0 S OF I-12, St. Tammany, LA
Built 1995 Load: 51.8 t ADT: 3,351
VIRGINIA AVE
FairOver: VIRGINIA AVE. DITCH
0.05 MI E OF US 171, Caddo, LA
Built 1965 Load: 52.2 t ADT: 100
Rigolette Rd
FairOver: RIGOLETTE BAYOU
0.59 MI. W. OF END LA 120, Rapides, LA
Built 2012 Load: 52.2 t ADT: 1,614
LA0448
FairOver: CREEK
0.3 M N OF LA 37, St. Helena, LA
Built 1962 Load: 52.5 t ADT: 547
Denver Hurst Rd
FairOver: BAYOU CONWAY
1.3 MI SW-LA30, US 61 JCT, Ascension, LA
Built 1998 Load: 52.6 t ADT: 50
I0020
FairOver: BLACK BAYOU
1.0 MI EAST OF LA 617, Ouachita, LA
Built 1965 Load: 52.6 t ADT: 84,225
I0020
FairOver: BLACK BAYOU
1.0 MI EAST OF LA 617, Ouachita, LA
Built 1965 Load: 52.6 t ADT: 66,061
I0020
FairOver: BLACK BAYOU
.1 MI EAST OF LA 34, Ouachita, LA
Built 1965 Load: 52.6 t ADT: 8,030
I0020
FairOver: BLACK BAYOU
1.0 MI EAST OF LA 617, Ouachita, LA
Built 1965 Load: 52.6 t ADT: 15,642
LA0113
FairOver: CALCASIEU RIVER
3.40 MI. E OF INT LA112, Rapides, LA
Built 1981 Load: 52.6 t ADT: 2,071
LA0500
FairOver: BROWN-EYE CREEK
LA 500, Grant, LA
Built 1998 Load: 52.8 t ADT: 620
Filmore Ave
FairOver: BAYOU SAINT JOHN
0.1MI.E.OF WISNER BL, Orleans, LA
Built 1963 Load: 53.1 t
Filmore Ave
FairOver: BAYOU SAINT JOHN
0.1MI.E.OF WISNER BL, Orleans, LA
Built 1963 Load: 53.1 t
Churchpoint Rd
FairOver: BLACK BAYOU
2 MI N. LA 30, US 61 JCT., Ascension, LA
Built 2000 Load: 53.5 t ADT: 1,200
Burbank Dr.
FairOver: BAYOU FOUNTAIN
3.2 M E of LA 327-S, East Baton Rouge, LA
Built 1976 Load: 53.5 t ADT: 26,100
Showing 6,351-6,400 of 12,699 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.