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
I0049
PoorOver: BAYOU CLEAR DIV. CANAL
0.64 MI. NORTH OF LA 3265, Rapides, LA
Built 1990 Load: 23.3 t ADT: 24,080
LA0175
PoorOver: BAYOU PIERRE
.78 MI SOUTH OF LA 1, Caddo, LA
Built 1958 Load: 23.6 t ADT: 931
Carney Rd
PoorOver: DRAINAGE BAYOU
4.2 MI SW JCT LA 64, East Baton Rouge, LA
Built 1965 Load: 23.6 t ADT: 1,496
LA0374
PoorOver: BAYOU
4.5 MI EAST OF LA 3277, Evangeline, LA
Built 1956 Load: 23.6 t ADT: 632
LA0034
PoorOver: CREEK
1.42 MI EAST OF US 71, Grant, LA
Built 1951 Load: 23.6 t ADT: 482
Lamourie Rd
PoorOver: LAMOURIE BAYOU
1.74 MILES EAST OF US 71, Rapides, LA
Built 1960 Load: 23.6 t ADT: 120
Bailey Town Rd
PoorOver: BAILEY TN RD,TR. CORNEY
6.97 MI. E. OF LA. 2, Claiborne, LA
Built 1975 Load: 23.7 t ADT: 65
Bailey Town Rd
PoorOver: BAILEY TN RD,TR CORNEY B
6.75 MI. E. OF LA. 2, Claiborne, LA
Built 1975 Load: 23.7 t ADT: 65
US0084
PoorOver: BAYOU CASTOR
2.1 MI EAST OF LA 5, De Soto, LA
Built 1951 Load: 23.7 t ADT: 6,314
Lower Zachary Rd
PoorOver: WHITE BAYOU
1.1 Mi. W. of LA 67, East Baton Rouge, LA
Built 1970 Load: 23.7 t ADT: 1,889
LA0068
PoorOver: REDWOOD CREEK
0.04 M E of LA 68, East Feliciana, LA
Built 1979 Load: 23.7 t ADT: 1,341
CYPRESS AVE
PoorOver: BAYOU POINTE AU CHENE
3.55 MI FROM LA 55, Lafourche, LA
Built 1987 Load: 23.7 t ADT: 193
LA0545
PoorOver: DARBONNE BAYOU
2.8 MI NORTH OF LA 146, Lincoln, LA
Built 1973 Load: 23.7 t ADT: 404
FDR 360
PoorOver: L'IVROGNE BAYOU
5.6 M. W. OF GORUM, Natchitoches, LA
Built 1978 Load: 23.7 t ADT: 30
LA0047
PoorOver: BAYOU BIENVENUE
3.0 MI SOUTH OF I-10, Orleans, LA
Built 1973 Load: 23.7 t ADT: 23,365
Tulane Ave
PoorOver: HYNSON BAYOU
TULANE AVENUE, Rapides, LA
Built 1981 Load: 23.7 t ADT: 200
I0055-S
PoorOver: NORTH PASS
North Pass, Tangipahoa, LA
Built 1960 Load: 23.7 t ADT: 4,107
Elenor Rd.
PoorOver: Coulee
1.1 Mi. S. of US 90, Acadia, LA
Built 1970 Load: 23.8 t ADT: 576
Sybil's Crossing
PoorOver: BAYOU DES GLAISES
0.03 MI. EAST OF LA 451, Avoyelles, LA
Built 1998 Load: 23.9 t ADT: 100
BLANCHARD ROAD
PoorOver: EAST BAYOU LACASSINE
3.1 MI W. OF LA 395, Jefferson Davis, LA
Built 1965 Load: 23.9 t ADT: 40
LA1215
PoorOver: TOLEDO BEND LAKE
2.29 MI. WEST OF LA 191, Sabine, LA
Built 1967 Load: 23.9 t ADT: 1,532
LA0935
PoorOver: BLACK BAYOU
0.9 M W of LA 935&LA 431, Ascension, LA
Built 1974 Load: 24.0 t ADT: 4,835
LA0157
PoorOver: CYPRESS BAYOU
3.99 MI NORTH OF LA 2, Bossier, LA
Built 1986 Load: 24.0 t ADT: 1,082
LA0529
PoorOver: CREEK
6.58 MI NORTH OF LA 160, Bossier, LA
Built 1973 Load: 24.0 t ADT: 590
US0071
PoorOver: CROSS BAYOU
.1 MI NORTH OF LA 173, Caddo, LA
Built 1940 Load: 24.0 t ADT: 5,484
Bailey Town Rd
PoorOver: BAILEY TN RD,TR CORNY B.
6.9 MI. E. OF LA. 2, Claiborne, LA
Built 1975 Load: 24.0 t ADT: 65
FDR 556
PoorOver: PRAIRIE CREEK
LOGMI 1.40 FR 546 TO, Grant, LA
Built 1962 Load: 24.0 t ADT: 34
US0071
PoorOver: BAYOU RIGOLETTE
2.0 MI NORTH OF LA 492, Grant, LA
Built 1950 Load: 24.0 t ADT: 2,063
LA0010
PoorOver: PALMETTO CO CANAL
9.60 MI WEST OF LA 105, St. Landry, LA
Built 1959 Load: 24.0 t ADT: 1,185
LA0091
PoorOver: BAYOU JONAS
1.66 MI W of LA 1120, Acadia, LA
Built 1979 Load: 24.3 t ADT: 1,617
E. LINCOLN RD
PoorOver: BLACK BAYOU
1.9 MI. E. OF LA 385, Calcasieu, LA
Built 1987 Load: 24.3 t ADT: 617
LA0385
PoorOver: S FORK BLACK BAYOU
1.0 MI. N OF LA 384, Cameron, LA
Built 1954 Load: 24.3 t ADT: 4,633
LA0174
PoorOver: BAYOU-SAN-PATRICIO-RELIE
.3 MI EAST OF US 171, Sabine, LA
Built 1977 Load: 24.3 t ADT: 1,099
JEAN ROAD
PoorOver: BIRDS CREEK
FORT POLK, Vernon, LA
Built 1987 Load: 24.3 t ADT: 336
LA0440
PoorOver: DRAIN
4.6M E TANGIPAHOA LINE, Washington, LA
Built 1993 Load: 24.3 t ADT: 1,262
LA0454
PoorOver: WIGGINS BAYOU
4.12 MILES SW OF LA 115, Avoyelles, LA
Built 1958 Load: 24.5 t ADT: 226
Stoney Point Burch
PoorOver: SANDY CREEK
3.2 MI. S. OF PRIDE, East Baton Rouge, LA
Built 1965 Load: 24.5 t ADT: 332
Virgina St
PoorOver: BAYOU BOEUF
0.08 MILE SOUTH OF LA 112, Rapides, LA
Built 1991 Load: 24.5 t ADT: 40
Evergreen Rd
PoorOver: HOLDER CREEK
3.1 MI NW. OF LA. 159, Webster, LA
Built 1979 Load: 24.5 t ADT: 184
LA0499
PoorOver: CREEK
8.5 MI NORTH OF LA 126, Winn, LA
Built 1967 Load: 24.5 t ADT: 114
LA0499
PoorOver: ICE BRANCH
8.85 MI NORTH OF LA 126, Winn, LA
Built 1967 Load: 24.5 t ADT: 114
LA0098
PoorOver: CREEK
1.6 MI EAST OF LA 367, Acadia, LA
Built 1973 Load: 24.6 t ADT: 3,881
LA0585
PoorOver: DRAINAGE CANAL
1.86 MI NORTH OF US 65, East Carroll, LA
Built 1977 Load: 24.6 t ADT: 372
A&D ABSHIRE RD.
PoorOver: THORNWELL DRAINAGE CANAL
0.2 MI W of LYONS RD, Jefferson Davis, LA
Built 1972 Load: 24.6 t ADT: 30
LA0509
PoorOver: WATSON BAYOU
1.64 MI WEST OF LA 1, Red River, LA
Built 1978 Load: 24.6 t ADT: 1,975
LA0083
PoorOver: BAYOU CHOUPIQUE
1.28 MI South of LA 182, St. Mary, LA
Built 1978 Load: 24.6 t ADT: 10,148
LA0001
PoorOver: MO PACIFIC RR
0.25 MI N OF LA 987-2, West Baton Rouge, LA
Built 1952 Load: 24.6 t ADT: 25,347
LA1110
PoorOver: Cole Gully
0.75 Mi N of LA 98, Acadia, LA
Built 1982 Load: 24.9 t ADT: 303
PICARD RD
PoorOver: D'INDE BAYOU
0.6 MI S. OF US90, Calcasieu, LA
Built 1968 Load: 24.9 t ADT: 2,741
LA0063
PoorOver: SANDY CREEK
3.0 M NE of LA 67, East Feliciana, LA
Built 1957 Load: 24.9 t ADT: 1,584
Showing 12,401-12,450 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.