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
LA1252
PoorOver: BAYOU POINT BRULE
5.40 MI NE OF I-49 FR RD, Lafayette, LA
Built 1975 Load: 24.9 t ADT: 152
LA3008
PoorOver: BLACK BAYOU
1.4 MI SOUTH OF LA 160, Webster, LA
Built 1974 Load: 24.9 t ADT: 145
Jackson Rd
PoorOver: DUFF BAYOU
1.1 MI.SOUTHWEST OF, East Baton Rouge, LA
Built 1970 Load: 25.3 t ADT: 1,379
LA0720
PoorOver: Indian Bayou
2.2 MI WEST OF LA 719, Lafayette, LA
Built 1972 Load: 25.3 t ADT: 1,391
N GALVEZ ST
PoorOver: RR YARD @ GALVEZ ST
0.06 MI E OF ALMONASTE A, Orleans, LA
Built 1950 Load: 25.3 t
LA0979
PoorOver: FALSE RIVER CANAL
0.8 M W of LA 978, Pointe Coupee, LA
Built 1980 Load: 25.3 t ADT: 748
LA0480
PoorOver: BOGGY LAKE
5.05 MI SOUTH OF US 84, Red River, LA
Built 1975 Load: 25.3 t ADT: 2,011
I0055-S
PoorOver: PASS MANCHAC
Pass Manchac, Tangipahoa, LA
Built 1957 Load: 25.3 t ADT: 4,107
LA0521
PoorOver: INDIAN CREEK
.4 MI NORTH OF LA 2 ALT, Claiborne, LA
Built 1968 Load: 25.4 t ADT: 129
LA0063
PoorOver: HUNTERS BAYOU
LA0063, East Feliciana, LA
Built 1957 Load: 25.4 t ADT: 1,584
Boeneke Rd
PoorOver: BLUFF CREEK
0.9 M E of LA 63, East Feliciana, LA
Built 2003 Load: 25.4 t ADT: 26
BEBEE ROAD
PoorOver: GULLY
0.6 MI N of LA 101, Jefferson Davis, LA
Built 1971 Load: 25.4 t ADT: 200
US0080
PoorOver: PANOLA BAYOU
13.4 MI EAST OF LA 577, Madison, LA
Built 1955 Load: 25.4 t ADT: 1,558
LA0153
PoorOver: DRAIN
5.08 MI. N OF INT LA9, Natchitoches, LA
Built 1974 Load: 25.4 t ADT: 609
LA0462
PoorOver: STEEP GULLY BRANCH
1.25 MI. S OF LA113, Rapides, LA
Built 1940 Load: 25.4 t ADT: 77
LA0062
PoorOver: DRAIN
0.1 M S OF LA 438, Washington, LA
Built 1959 Load: 25.4 t ADT: 1,205
LA0002-A
PoorOver: INDIAN CREEK
2.0 MI EAST OF LA 159, Webster, LA
Built 1968 Load: 25.4 t ADT: 655
US0084
PoorOver: DUGDEMONA RIVER
1.59 MI EAST OF US 167, Winn, LA
Built 1929 Load: 25.4 t ADT: 4,317
LA0499
PoorOver: ICE BRANCH
10.1 MI NORTH OF LA 126, Winn, LA
Built 1967 Load: 25.4 t ADT: 114
US0165
PoorOver: YOUNGS BAYOU
.7 MI NORTH OF LA 15, Ouachita, LA
Built 1966 Load: 25.6 t ADT: 29,759
TERRY PKWY
PoorOver: INDUSTRY CANAL
0.1MI.N.OF BELLCHASE, Jefferson, LA
Built 1974 Load: 25.9 t
LA0039
PoorOver: N O P B RR(CLAIBORNE AVE
.6 MI EAST OF LA 3021, Orleans, LA
Built 1949 Load: 25.9 t ADT: 36,993
LA0004
PoorOver: DRAIN
4.1 MI EAST OF LA 155, Bienville, LA
Built 1927 Load: 26.0 t ADT: 890
LA0389
PoorOver: BRUSHY CREEK
8.8 MI W of LA 109, Beauregard, LA
Built 1967 Load: 26.1 t ADT: 442
LA1058
PoorOver: DRAIN
0.9 M N OF LA 1059, Tangipahoa, LA
Built 1951 Load: 26.1 t ADT: 899
US0190
PoorOver: WEST CALCASIEU RIVER REL
7.4 MI E OF INT LA 113, Allen, LA
Built 1980 Load: 26.2 t ADT: 3,923
US0080
PoorOver: CLARKE BAYOU
0.2 MI EAST OF LA 164, Bossier, LA
Built 1930 Load: 26.2 t ADT: 2,376
LA0820
PoorOver: STOWE CREEK
.63 MI SOUTH OF LA 33, Lincoln, LA
Built 1979 Load: 26.2 t ADT: 2,230
ALMONASTER AVE
PoorOver: FLORIDA AVE
0.5 MI N. OF GALVEZ, Orleans, LA
Built 1960 Load: 26.2 t
Harvey Lavigne
PoorOver: CREEK
1.80 M E of LA 445, Tangipahoa, LA
Built 1970 Load: 26.2 t ADT: 681
LA0501
PoorOver: BURNT CABIN CREEK
1.27 MI SOUTH OF LA 4, Bienville, LA
Built 1960 Load: 26.3 t ADT: 218
LA0160
PoorOver: CYPRESS BAYOU RELIEF
.1 MI EAST OF LA 3, Bossier, LA
Built 1969 Load: 26.3 t ADT: 622
LA0012
PoorOver: SABINE RIVER
.56 MI WEST OF LA 109, Calcasieu, LA
Built 1938 Load: 26.3 t ADT: 3,365
LA0027
PoorOver: D'INDE BAYOU
1.2 MI S of US 90, Calcasieu, LA
Built 1960 Load: 26.3 t ADT: 14,973
LA0506
PoorOver: CASTOR CREEK RELF
7.0 MI WEST OF US 165, Caldwell, LA
Built 1971 Load: 26.3 t ADT: 306
LA0146
PoorOver: CANEY CREEK
.6 MI EAST OF LA 9, Claiborne, LA
Built 1966 Load: 26.3 t ADT: 1,360
LA0146
PoorOver: CREEK
1.32 MI EAST OF LA 9, Claiborne, LA
Built 1966 Load: 26.3 t ADT: 1,360
LA0146
PoorOver: DRAIN
4.34 MI EAST OF LA 9, Claiborne, LA
Built 1968 Load: 26.3 t ADT: 1,360
LA0513
PoorOver: TEN MILE BAYOU
2.9 MI NORTH OF LA 483, De Soto, LA
Built 1969 Load: 26.3 t ADT: 243
LA0513
PoorOver: TEN MILE B RELIEF
3.0 MI NORTH OF LA 483, De Soto, LA
Built 1969 Load: 26.3 t ADT: 243
LA3197
PoorOver: HOUMA CANAL
.4 MI EAST OF LA 182, Terrebonne, LA
Built 1938 Load: 26.3 t ADT: 119
LA0507
PoorOver: EDWARDS MILL CREEK
1.0 MI W JCT LA 9, Bienville, LA
Built 1984 Load: 26.6 t ADT: 396
Van Buren St
PoorOver: CORPORATION CANAL
0.15 MI E OF LA 30, East Baton Rouge, LA
Built 1955 Load: 26.6 t ADT: 350
SOUTH MAIN ROAD
PoorOver: CREEK
1.6 MI N of LA 1126, Jefferson Davis, LA
Built 1970 Load: 26.6 t ADT: 150
US0167
PoorOver: BAYOU D'ARBONNE RELIEF
1 Mi. S. of LA 151, Lincoln, LA
Built 1952 Load: 26.6 t ADT: 2,487
LA0009
PoorOver: CHOCTAW CREEK
2.26 MI. NORTH OF LA 479, Natchitoches, LA
Built 1977 Load: 26.6 t ADT: 282
15th St
PoorOver: BOGUE CHITTO CREEK
15TH AVE SOUTH OF LA 10, Washington, LA
Built 1974 Load: 26.6 t ADT: 229
Harrisonburg
PoorOver: NANTACHES CREEK
3.84 MI. EAST OF US 71, Winn, LA
Built 1979 Load: 26.6 t ADT: 179
BELL OIL RD
PoorOver: BLUE BAYOU
1.6 MI WEST OF LA 26, Allen, LA
Built 1974 Load: 26.9 t ADT: 77
Lemon Rd
PoorOver: DRAINAGE BAYOU
1.0 M E of LA 19, East Baton Rouge, LA
Built 1965 Load: 26.9 t ADT: 542
Showing 12,451-12,500 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.