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
ROCKY SPRINGS RD
PoorOver: BAYOU DUPONT
ROCKY SPRINGS ROAD, Sabine, LA
Built 1955 Load: 19.2 t ADT: 75
Ridge Rd
PoorOver: DRY CREEK
2.4 MI. EAST OF LA 4, Bienville, LA
Built 1976 Load: 19.3 t ADT: 100
Six Mile Rd
PoorOver: SIX MILE CREEK
2.7 MI. NO. OF LA 4, Bienville, LA
Built 1975 Load: 19.3 t ADT: 80
Log Ferry Rd
PoorOver: Posten Bayou
4.5M NORTH OF HWY 537, Bossier, LA
Built 1992 Load: 19.3 t ADT: 80
Giled Rd
PoorOver: BLUFF CREEK
4.0 M S of LA 10, East Feliciana, LA
Built 1979 Load: 19.3 t ADT: 68
LA0148
PoorOver: CREEK
3.06 MI SOUTH OF LA 34, Jackson, LA
Built 1949 Load: 19.3 t ADT: 318
Belle Gardner Rd
PoorOver: CATCA CREEK
2 MI SW OF JCT 16 & 450, Tangipahoa, LA
Built 1985 Load: 19.3 t ADT: 55
US0080
PoorOver: ALLIGATOR BAYOU
1.2 MI E OF LA782-2, Bossier, LA
Built 1936 Load: 19.4 t ADT: 2,376
KIRKMAN ST
PoorOver: CONTRABAND BAYOU
0.25 MI N OF LA 3186, Calcasieu, LA
Built 1964 Load: 19.4 t ADT: 6,090
LA0518
PoorOver: BAYOU DARBONNE
2.60 MI NORTH OF LA 146, Claiborne, LA
Built 1979 Load: 19.4 t ADT: 389
S Tiger Bend Rd
PoorOver: DRAINAGE BAYOU
3.4 Mi E of LA 73, East Baton Rouge, LA
Built 1965 Load: 19.4 t ADT: 5,630
E Achord Rd
PoorOver: DRAINAGE BAYOU
4 MI.NE LA 42,I-10 I, East Baton Rouge, LA
Built 1970 Load: 19.4 t ADT: 1,732
E. State St
PoorOver: CORPORATION CANAL
BATON ROUGE, East Baton Rouge, LA
Built 1960 Load: 19.4 t ADT: 1,500
Bell Road
PoorOver: MILL BRANCH
0.75 M. N. OF JCT LA 123, Grant, LA
Built 1982 Load: 19.4 t ADT: 15
LYONS RD.
PoorOver: THORNWELL DRAINAGE CANAL
0.6 MI S of LA 380, Jefferson Davis, LA
Built 1974 Load: 19.4 t ADT: 75
BABINEAUX ROAD
PoorOver: CREEK
0.6 MI E of PanchovilleRd, Jefferson Davis, LA
Built 1978 Load: 19.4 t ADT: 30
US0167
PoorOver: COULEE MINE
2.58 MI E OF LA 3073, Lafayette, LA
Built 1958 Load: 19.4 t ADT: 27,213
LA0830-6
PoorOver: HORSE BAYOU
1.30 MI NORTH OF US 165, Morehouse, LA
Built 1971 Load: 19.4 t ADT: 4,905
BAGGETT RD
PoorOver: CREEK
0.8 MI N of LA 26, Allen, LA
Built 1982 Load: 19.8 t ADT: 60
US0171
PoorOver: BUCHANAN BAYOU
3.3 MI. S. OF LA 526, Caddo, LA
Built 1953 Load: 19.8 t ADT: 16,911
LA0378
PoorOver: W FORK CALCASIEU RIVER
3.27 MI W OF US 171, Calcasieu, LA
Built 1968 Load: 19.8 t ADT: 13,371
RIVER RD
PoorOver: KINNER GULLY
0.5 MI NE OF LA 3059, Calcasieu, LA
Built 1987 Load: 19.8 t ADT: 1,608
BIG WOODS-STARKS
PoorOver: BIRD ISLAND BAY
4.6 MI E of LA 109, Calcasieu, LA
Built 1968 Load: 19.8 t ADT: 1,152
Milldale Rd
PoorOver: WIND BAYOU
2.1 MI. SOUTH OF PRIDE, East Baton Rouge, LA
Built 1958 Load: 19.8 t ADT: 377
Read BLVD
PoorOver: MORRISON CANAL
1.0MI.N.OF I-10, Orleans, LA
Built 1960 Load: 19.8 t
LA0143
PoorOver: D'ARBONNE BAYOU
2.8 MI NORTH OF LA 616, Ouachita, LA
Built 1962 Load: 19.8 t ADT: 3,674
LA0121
PoorOver: CALCASIEU RIVER
0.76 MI. SW OF LA 461, Rapides, LA
Built 1973 Load: 19.8 t ADT: 1,932
Gills Rd
PoorOver: DRAINAGE CANAL
0.10 MI N of Credeur Rd, St. Landry, LA
Built 1970 Load: 19.8 t ADT: 100
Rousseau Rd
PoorOver: TCHEFUNETE RIVER
0.45 MILES NORTH OF LA.10, St. Tammany, LA
Built 1973 Load: 19.8 t ADT: 458
LA0040
PoorOver: NATALBANY RIVER
0.5 M W OF I-55, Tangipahoa, LA
Built 1971 Load: 19.8 t ADT: 913
LA0965
PoorOver: THOMPSON CREEK TRIBUTARY
LA0965, West Feliciana, LA
Built 1973 Load: 19.8 t ADT: 525
LA0107
PoorOver: WIGGINS BAYOU
4.31 MI. NORTH OF LA 115, Avoyelles, LA
Built 1953 Load: 20.0 t ADT: 3,354
LA0004
PoorOver: DRAIN
9.4 MI EAST OF LA 154, Bienville, LA
Built 1972 Load: 20.0 t ADT: 1,558
Wallace Rd
PoorOver: Stillhouse Bayou Trib
0.4 M SOUTH OF LA 537, Bossier, LA
Built 1991 Load: 20.0 t ADT: 40
Lower CC Rd
PoorOver: HORTON BAYOU
3.0 M NE of LA 63, East Feliciana, LA
Built 1999 Load: 20.0 t ADT: 44
Cousins Rd.
PoorOver: DES CANNES BAYOU
2 Miles S. of La 1161, Evangeline, LA
Built 2010 Load: 20.0 t ADT: 146
LA0366
PoorOver: SANDY CREEK
.53 MI NORTH OF LA 8, Grant, LA
Built 1955 Load: 20.0 t ADT: 368
Chinquapin St
PoorOver: CREEK
0.1 MI E OF INT 535, Livingston, LA
Built 1960 Load: 20.0 t ADT: 200
LA0002
PoorOver: BAYOU DELEMAR
1.44 MI EAST OF US 165, Morehouse, LA
Built 1955 Load: 20.0 t ADT: 2,815
LA0485
PoorOver: TAPALCAT BAYOU
6.70 MI N OF JCT LA 1222, Natchitoches, LA
Built 1956 Load: 20.0 t ADT: 25
C. RAWLS RD
PoorOver: PRAIRION BAYOU
0.92 MI NE INT. 42 O, Ouachita, LA
Built 1960 Load: 20.0 t ADT: 37
LA0463
PoorOver: BOGGY BRANCH
2.8 MI NORTH OF LA 10, Vernon, LA
Built 1944 Load: 20.0 t ADT: 482
US0167
PoorOver: BIG CREEK RELIEF
2.46 MILE NORTH OF LA 126, Winn, LA
Built 1952 Load: 20.0 t ADT: 5,107
Jacobs Ave.
PoorOver: COULEE
0.5 Mi. N. of US 90, Acadia, LA
Built 1980 Load: 20.1 t ADT: 336
LA0092
PoorOver: CANAL
2.5 MI East OF LA 13, Acadia, LA
Built 1973 Load: 20.1 t ADT: 352
LA0431
PoorOver: BLACK BAYOU
2.16 MI N JCT US 61, Ascension, LA
Built 1983 Load: 20.1 t ADT: 9,608
LA0004
PoorOver: SALINE BAYOU
1.2 MI EAST OF LA 9, Bienville, LA
Built 1982 Load: 20.1 t ADT: 504
Elliot Rd
PoorOver: CLAY CUT BAYOU
3 MI NE LA 42,I-10 I, East Baton Rouge, LA
Built 1970 Load: 20.1 t ADT: 6,230
Gurney Rd
PoorOver: DRAINAGE CANAL
0.1 Mi E of LA 410, East Baton Rouge, LA
Built 1966 Load: 20.1 t ADT: 4,025
Mchugh Rd
PoorOver: BRUSHY BAYOU
0.4 MI S OF BAKER BLVD, East Baton Rouge, LA
Built 1975 Load: 20.1 t ADT: 2,520
Showing 12,201-12,250 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.