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
ALMONASTER AVE
PoorOver: CITY STREET/RAILROAD
.15 MI S OF DOWNMAN ROAD, Orleans, LA
Built 1991 Load: 20.7 t ADT: 22,680
FDR 421
PoorOver: DRAKES CREEK
7 MI. ESE OF PICKENING, Vernon, LA
Built 1984 Load: 20.7 t ADT: 60
Coldwater
PoorOver: RANGE CREEK
APP. 2.75 MI. NW OF US 84, Winn, LA
Built 1970 Load: 20.7 t ADT: 61
Spring Bayou Rd
PoorOver: SPRING BAYOU
2 MI. NORTH OF GOUDE, Avoyelles, LA
Built 1978 Load: 20.9 t ADT: 150
LA0170
PoorOver: TIGER BRANCH
3.2 MI EAST OF LA 1, Caddo, LA
Built 1930 Load: 20.9 t ADT: 1,209
LA0124
PoorOver: BROKE LEG BAYOU
0.6 MI NORTH OF LA 3102, Catahoula, LA
Built 1960 Load: 20.9 t ADT: 287
LA0063
PoorOver: TRIB OF BLUFF CK
LA0063, East Feliciana, LA
Built 1957 Load: 20.9 t ADT: 1,584
LA0320
PoorOver: TECHE BAYOU/OLIVIER
0.2 Mi. N. of La 182, Iberia, LA
Built 1963 Load: 20.9 t ADT: 3,241
LA0556
PoorOver: JACK CREEK
3.94 MI WEST OF LA 144, Jackson, LA
Built 1968 Load: 20.9 t ADT: 376
PLUM HILL RD
PoorOver: DRAIN TO GUYTON CREEK
1.4 MI. N. INT. 178, Ouachita, LA
Built 1976 Load: 20.9 t ADT: 30
RAY RD
PoorOver: BOOKER BRANCH
1 MI NW CADEVILLE, Ouachita, LA
Built 1965 Load: 20.9 t ADT: 35
US0080
PoorOver: COOLEY BRANCH
1.79 MI EAST OF LA 159, Webster, LA
Built 1954 Load: 20.9 t ADT: 3,955
LA0002
PoorOver: JEEMS BAYOU
2.26 MI WEST OF LA 1, Caddo, LA
Built 1973 Load: 21.1 t ADT: 1,464
Poole Road (North)
PoorOver: Cocodrie Bayou
LOGMI 5.7 M NW of H 15, Concordia, LA
Built 1975 Load: 21.1 t ADT: 110
Catalina Ave
PoorOver: ENGRS. DEPOT CANAL
0.10M E OF N.SHERWOOD FR., East Baton Rouge, LA
Built 1984 Load: 21.1 t ADT: 5,443
Brown Creek Rd
PoorOver: BROWN CREEK
1.79 MI. NORTH OF LA 28, Rapides, LA
Built 1993 Load: 21.1 t ADT: 50
US0090
PoorOver: WEST PEARL RIVER
US0090, St. Tammany, LA
Built 1933 Load: 21.1 t ADT: 1,215
LA0315
PoorOver: PROVOST BAYOU
8.6 MI SOUTH OF LA 661, Terrebonne, LA
Built 1953 Load: 21.1 t ADT: 6,715
Saltzman Rd
PoorOver: COULEE
1.3 Mi S of La 711, Vermilion, LA
Built 1968 Load: 21.1 t ADT: 140
US0080
PoorOver: BAYOU DORCHEAT
.2 MI EAST OF US 371, Webster, LA
Built 1954 Load: 21.1 t ADT: 9,109
LA0431
PoorOver: NEW RIVER
1.37 MI NE JCT US 61, Ascension, LA
Built 1982 Load: 21.4 t ADT: 9,608
LA0154
PoorOver: BRUSHY CREEK
3.1 MI N. of LA 516, Bienville, LA
Built 1974 Load: 21.4 t ADT: 429
Bentley Dr
PoorOver: WHITE BAYOU
1.4M W OF INT LA 67, East Baton Rouge, LA
Built 1970 Load: 21.4 t ADT: 2,210
CC Camp Road
PoorOver: LAKE CHICOT
1.5M NE OF LA 3042, Evangeline, LA
Built 1980 Load: 21.4 t ADT: 150
US0071
PoorOver: BAYOU RIGOLETTE
1.1 MI NORTH OF LA 492, Grant, LA
Built 1950 Load: 21.4 t ADT: 2,063
LA3087
PoorOver: HOLLYWOOD CANAL
1.20 MI S. OF JCT US90, Lafourche, LA
Built 1988 Load: 21.4 t ADT: 13,617
LA3087
PoorOver: HOLLYWOOD CANAL
1.20 MI S OF JCT US90, Lafourche, LA
Built 1988 Load: 21.4 t ADT: 8,036
Lake Forest BLVD
PoorOver: LAWRENCE CANAL
0.1 MI. E. OF BENTLE, Orleans, LA
Built 1975 Load: 21.4 t
9th St
PoorOver: ST LOUIS CANAL
0005 LOG MI FROM INT, Terrebonne, LA
Built 1965 Load: 21.4 t ADT: 3,492
Brassette Ln
PoorOver: SPRING CREEK
1.63 M E OF JCT LA 362, Avoyelles, LA
Built 1998 Load: 21.6 t ADT: 40
Catfish Kitchen Rd
PoorOver: BAYOU BOEUF
APP. 0.5 MI. S. OF LA 115, Avoyelles, LA
Built 1997 Load: 21.6 t ADT: 60
Lil California Rd
PoorOver: DRAINAGE CANAL
2.11 M. E. OF END LA 1194, Avoyelles, LA
Built 1960 Load: 21.6 t ADT: 100
Stillhouse Rd
PoorOver: Stillhouse Bayou Trib
1.4 M NORTH OF HWY 537, Bossier, LA
Built 1991 Load: 21.6 t ADT: 40
Percy Dreher Rd
PoorOver: LITTLE SANDY CREEK
1.6 MI SW JCT LA959,LA409, East Feliciana, LA
Built 1999 Load: 21.6 t ADT: 18
LA0563
PoorOver: CREEK
3.29 MI NORTH OF LA 544, Lincoln, LA
Built 1973 Load: 21.6 t ADT: 1,064
EVANS RD
PoorOver: LONG BRIDGE CREEK
.1 MI. H. W. MORGAN, Ouachita, LA
Built 1965 Load: 21.6 t ADT: 4
Phoenix square
PoorOver: CREEK
1.4 MI SE OF RT 190, Tangipahoa, LA
Built 1975 Load: 21.6 t ADT: 5,021
LA0431
PoorOver: VILLAR DRAINAGE
400 FT S of LA 42, Ascension, LA
Built 1971 Load: 21.7 t ADT: 9,608
LA1014
PoorOver: VALANCE DRAINAGE CANAL
3.3 Mi. E of LA 308, Assumption, LA
Built 1974 Load: 21.7 t ADT: 304
LA1190
PoorOver: DRAINAGE DITCH
0.23 MILES EAST OF LA 452, Avoyelles, LA
Built 1970 Load: 21.7 t ADT: 3,440
LA0517
PoorOver: CREEK
3.99 MI WEST OF LA 9, Bienville, LA
Built 1973 Load: 21.7 t ADT: 438
LA0154
PoorOver: RED CHUTE BAYOU
.01 MI SOUTH OF LA 157, Bossier, LA
Built 1980 Load: 21.7 t ADT: 3,124
LA3258
PoorOver: BAYOU
0.7 MI E of LA 383, Calcasieu, LA
Built 1969 Load: 21.7 t ADT: 1,878
Nottingham St
PoorOver: DRAINAGE CANAL
NOTTINGHAM ST., East Baton Rouge, LA
Built 1963 Load: 21.7 t ADT: 300
US0167
PoorOver: MOSLEY MILL CREEK
3.56 MI. NORTH OF LA 472, Grant, LA
Built 1975 Load: 21.7 t ADT: 11,712
I0010
PoorOver: VET MEM HWY
1.8 MI EAST OF LA 49, Jefferson, LA
Built 1967 Load: 21.7 t ADT: 137,542
STANLEY ROAD
PoorOver: ROGERS GULLY
1.66 MI E of LA 26, Jefferson Davis, LA
Built 1980 Load: 21.7 t ADT: 30
LA0120
PoorOver: MACHIS BAYOU
9.11 MI. EAST OF LA 117, Natchitoches, LA
Built 1930 Load: 21.7 t ADT: 665
LA0040
PoorOver: SCOTT CREEK
2.6 M W OF LA 1062, Tangipahoa, LA
Built 1970 Load: 21.7 t ADT: 4,748
LA0983
PoorOver: TIGER BAYOU
4.13 MI N JCT US 61, West Baton Rouge, LA
Built 1983 Load: 21.7 t ADT: 2,000
Showing 12,301-12,350 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.