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
Nursery Rd
PoorOver: BRUSHY CREEK
0.8 MI SW OF HWY 531, Webster, LA
Built 1978 Load: 14.8 t ADT: 928
Joe Sevario Rd
PoorOver: Henderson Bayou
0.1 Mi S. of LA 933, Ascension, LA
Built 1969 Load: 14.9 t ADT: 700
LA0070
PoorOver: PIERRE PASS
3.0 MILES N. OF LA 101, Assumption, LA
Built 1967 Load: 14.9 t ADT: 5,560
LA0789
PoorOver: SPRING BRANCH
3.35 MI SOUTH OF LA 169, Caddo, LA
Built 1971 Load: 14.9 t ADT: 1,504
FLOYD LITTLE RD.
PoorOver: LULU CANAL
0.2 MI. W of LA 390, Cameron, LA
Built 1964 Load: 14.9 t ADT: 109
LA0521
PoorOver: LITTLE INDIAN CREEK
5.2 MI NORTH OF LA 2, Claiborne, LA
Built 1973 Load: 14.9 t ADT: 409
FDR 909
PoorOver: DARBONNE NW FORK
NATIONAL FOREST ROAD, Claiborne, LA
Built 1978 Load: 14.9 t ADT: 5
FDR 120
PoorOver: PANTHER BAYOU
NO DATA ENTERED, Grant, LA
Built 1981 Load: 14.9 t ADT: 15
FDR 120
PoorOver: CANEY BRANCH
NO DATA ENTERED, Grant, LA
Built 1981 Load: 14.9 t ADT: 15
FDR 120
PoorOver: S.FORK SADDLE BAYOU
NO DATA ENTERED, Grant, LA
Built 1982 Load: 14.9 t ADT: 17
LA0008
PoorOver: BIG CREEK
3.02 MI. EAST OF US 165, Grant, LA
Built 1968 Load: 14.9 t ADT: 1,590
SILOAM CHURCH RD
PoorOver: DRY CREEK
.57 MI EAST OF LA 505, Jackson, LA
Built 1957 Load: 14.9 t ADT: 825
LA0081
PoorOver: BAYOU BLACK
1.9 Mi. W. of LA 976, Pointe Coupee, LA
Built 1969 Load: 14.9 t ADT: 231
Bridge Rd
PoorOver: BAYOU GROSSE TETE
130 FT E OF LA 77, Pointe Coupee, LA
Built 1979 Load: 14.9 t ADT: 1,540
FDR 240
PoorOver: BRUSHY CREEK
NO DATA ENTERED, Rapides, LA
Built 1980 Load: 14.9 t ADT: 30
Auguillard Rd
PoorOver: COULEE
0.2 Mi. N. of La 347, St. Martin, LA
Built 1975 Load: 14.9 t ADT: 40
LA0151
PoorOver: STOWE CR REL BR
.1 MI EAST OF LA 33, Union, LA
Built 1961 Load: 14.9 t ADT: 527
FDR 400
PoorOver: DRAKES CREEK
9.6 MI. ENE. OF ROSPINE, Vernon, LA
Built 1982 Load: 14.9 t ADT: 60
LA0159
PoorOver: CANEY CREEK
4.39 MI NORTH OF LA 79, Webster, LA
Built 1970 Load: 14.9 t ADT: 1,645
LA0431
PoorOver: VILLAR CANAL
0.2 M S of LA 42, Ascension, LA
Built 1971 Load: 15.2 t ADT: 9,608
LA0501
PoorOver: CREEK
1.90 MI SOUTH OF LA 4, Bienville, LA
Built 1960 Load: 15.2 t ADT: 318
I0020
PoorOver: ST. LOUIS & SW RR
.2 MI EAST OF LA 1, Caddo, LA
Built 1965 Load: 15.2 t ADT: 84,672
Hubbs Rd
PoorOver: BEAVER BAYOU
1.8 MI. S. of 64, East Baton Rouge, LA
Built 1968 Load: 15.2 t ADT: 1,386
LA0955
PoorOver: Sessions Bayou
2.7 Mi S of La 10, East Feliciana, LA
Built 1966 Load: 15.2 t ADT: 989
Coulee Rd.
PoorOver: Peebles Coulee
0.2 Mi. E. of La 83, Iberia, LA
Built 1970 Load: 15.2 t ADT: 180
LA0995
PoorOver: FALSE BRANCH
0.5 M E of LA 69, Iberville, LA
Built 1964 Load: 15.2 t ADT: 196
NEW COMER RD.
PoorOver: CREEK
0.7 MI E of LA 383, Jefferson Davis, LA
Built 1971 Load: 15.2 t ADT: 40
Gloria Switch Rd
PoorOver: COULEE
1.04 MI EAST OF LA 728, Lafayette, LA
Built 1983 Load: 15.2 t ADT: 8,240
LA0742
PoorOver: LITTLE BAYOU TECHE
0.5 MI WEST OF LA 31, St. Landry, LA
Built 1971 Load: 15.2 t ADT: 1,741
Lost Cayou Rd
PoorOver: DRAINAGE CANAL
0.52 Mi N of US 190, St. Landry, LA
Built 1960 Load: 15.2 t ADT: 100
MOFFET RD
PoorOver: CHAUVIN BAYOU
0057 LOG MI FROM IN, Terrebonne, LA
Built 1979 Load: 15.2 t ADT: 5,123
Ellis Bridge Rd
PoorOver: COULEE
1 Mi W of la 91, Vermilion, LA
Built 1960 Load: 15.2 t ADT: 160
REEDS BRIDGE RD
PoorOver: CALCASIEU RIVER RELIEF
1.8 MI WEST OF US 165, Allen, LA
Built 1960 Load: 15.4 t ADT: 132
Shirley Plant Rd
PoorOver: BAYOU BEOUF
0.29 MI. WEST OF LA 1177, Avoyelles, LA
Built 1978 Load: 15.4 t ADT: 43
Voorhies Ln
PoorOver: BAYOU ROSEAU DR. CANAL
0.10 MI. WEST OF LA 451, Avoyelles, LA
Built 1984 Load: 15.4 t ADT: 150
Hood Rd
PoorOver: COLYELL CREEK
10.7 MI SE OF LA 447, Livingston, LA
Built 1960 Load: 15.4 t ADT: 300
Wes Arledge Rd
PoorOver: HORNSBY CREEK
.2 W OF JCT US 190&LA1024, Livingston, LA
Built 2000 Load: 15.4 t ADT: 6
LA0117
PoorOver: FLATWOODS CREEK
0.34 MI. SOUTH OF LA 6, Natchitoches, LA
Built 1977 Load: 15.4 t ADT: 3,420
Division Rd
PoorOver: COULEE DU PORTAGE
0.2 Miles NE of LA 680, St. Martin, LA
Built 1965 Load: 15.4 t ADT: 129
Walsh Rd
PoorOver: YELLOW WATER RIVER
0.2 MI W of Happywoods Rd, Tangipahoa, LA
Built 1960 Load: 15.4 t ADT: 4
LA0024
PoorOver: CO. CANAL (BOURG)
1.20 MI W OF LA 24, Terrebonne, LA
Built 1951 Load: 15.4 t ADT: 8,645
LA0339
PoorOver: Laports Coulee
1.3 Miles North OF LA 14, Vermilion, LA
Built 1950 Load: 15.4 t ADT: 4,990
LA0463
PoorOver: BLUE BRANCH
1.3 MI NORTH OF LA 10, Vernon, LA
Built 1944 Load: 15.4 t ADT: 482
LA0967
PoorOver: MILL CREEK
2.9 M N of LA 957&LA 421, West Feliciana, LA
Built 1955 Load: 15.4 t ADT: 251
LA0399
PoorOver: HORSE BRANCH
0.2 MI N OF LA 112, Beauregard, LA
Built 1975 Load: 15.6 t ADT: 957
I0020
PoorOver: STL&SW-KCS RR/WESTERFIEL
1.04 MI EAST LA 1, Bossier, LA
Built 1966 Load: 15.6 t ADT: 69,892
BAILEY DRIVE
PoorOver: MACKS BAYOU
0.1 MI. NO. OF LA 78, Bossier, LA
Built 1960 Load: 15.6 t ADT: 568
Ida Missionary Rd
PoorOver: NANCE BRANCH
1 MI. E. US HWY 71, Caddo, LA
Built 1976 Load: 15.6 t ADT: 77
Fernwood Dr
PoorOver: DRAINAGE CANAL
450 Ft N of US 190, East Baton Rouge, LA
Built 1960 Load: 15.6 t ADT: 200
LA0472
PoorOver: BIG BEAR CREEK
7.9 MI EAST OF US 167, Grant, LA
Built 1938 Load: 15.6 t ADT: 88
Showing 11,851-11,900 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.