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
Lefort Bypass
PoorOver: CUT OFF BAYOU
0136 LOG MI FROM INT, Lafourche, LA
Built 1971 Load: 18.5 t ADT: 2,222
FH 59
PoorOver: DOUBLE BRANCH
NO DATA ENTERED, Natchitoches, LA
Built 1969 Load: 18.5 t ADT: 80
LA0039
PoorOver: INNER HARBOR NAV CANAL
2.3 MI E OF I-10, Orleans, LA
Built 1957 Load: 18.5 t ADT: 47,739
Lorio Dairy Rd
PoorOver: BAYOU SERE
1.3 MI NE JCT US 190, Pointe Coupee, LA
Built 1970 Load: 18.5 t ADT: 210
LA0036
PoorOver: ABITA RIVER
0.1 M E OF LA 59, St. Tammany, LA
Built 1957 Load: 18.5 t ADT: 1,844
Up Cheerful Val Rd
PoorOver: Gales Cr
0.5 Mi N of sligo Rd, West Feliciana, LA
Built 1970 Load: 18.5 t ADT: 32
Beco Rd
PoorOver: DUCK ROOST BAYOU
0.1 M N Of LA 429, Ascension, LA
Built 1994 Load: 18.8 t ADT: 500
LA0110
PoorOver: DRAIN
1.2 MI S of US 190, Beauregard, LA
Built 1968 Load: 18.8 t ADT: 1,947
LA0157
PoorOver: BODCAU BAYOU RELIEF
3.67 MI NORTH OF LA 528, Bossier, LA
Built 1980 Load: 18.8 t ADT: 846
LA0027
PoorOver: ICWW - ELLENDERS
5.9 MI S OF LA 108, Calcasieu, LA
Built 1977 Load: 18.8 t ADT: 6,981
LA0037
PoorOver: HUBS BAYOU
0.8 M S of LA 409, East Baton Rouge, LA
Built 1972 Load: 18.8 t ADT: 9,104
Port Hudson-Pride
PoorOver: REDWOOD CREEK
2.2 MI.N-LA 64,LA 67, East Baton Rouge, LA
Built 1963 Load: 18.8 t ADT: 2,562
Pride-Baywood Rd
PoorOver: WHITTEN CREEK
6.6 MI. E. of LA 409, East Baton Rouge, LA
Built 1965 Load: 18.8 t ADT: 451
Callegan Rd
PoorOver: DRAINAGE BAYOU
3.7 MI.SW OF WHITE C, Iberville, LA
Built 1970 Load: 18.8 t ADT: 160
Clearwater Dr
PoorOver: MILLERS CANAL
0.55 MI S OF I12 ON LA 16, Livingston, LA
Built 1978 Load: 18.8 t ADT: 500
FH 59
PoorOver: STEEP CREEK
NO DATA ENTERED, Natchitoches, LA
Built 1967 Load: 18.8 t ADT: 80
US0080
PoorOver: DORCHEAT RELIEF
.5 MI EAST OF US 371, Webster, LA
Built 1954 Load: 18.8 t ADT: 9,109
LA0159
PoorOver: KCS RR MINDEN
1.5 MI S OF US80, Webster, LA
Built 1935 Load: 18.8 t ADT: 6,459
Sid Richardson Rd
PoorOver: BAYOU BOURBEAUX
1.75 MI. SW. OF ADDI, West Baton Rouge, LA
Built 1970 Load: 18.8 t ADT: 230
I0020
PoorOver: I-20/KCS RR
0.01 MI N OF US 71, Bossier, LA
Built 1966 Load: 19.1 t ADT: 6,786
LA0789
PoorOver: CYPRESS BAYOU
2.0 MI SOUTH OF LA 169, Caddo, LA
Built 1975 Load: 19.1 t ADT: 1,504
N GRAND AVE
PoorOver: BUXTON CREEK
0.4 MI NORTH OF LA 12, Calcasieu, LA
Built 1997 Load: 19.1 t ADT: 273
LA0506
PoorOver: CASTOR RELIEF
6.5 MI WEST OF US 165, Caldwell, LA
Built 1931 Load: 19.1 t ADT: 306
FDR 911
PoorOver: MIDDLE FORK DARBONE
2.1 MI SOUTH OF LA. ALT 2, Claiborne, LA
Built 1986 Load: 19.1 t ADT: 30
LA0019
PoorOver: WHITE BAYOU
1.28 MI N OF LA 64, East Baton Rouge, LA
Built 1951 Load: 19.1 t ADT: 11,198
Pinewood Dr
PoorOver: BEAVER BAYOU
2.5 MI N. of Denham Rd, East Baton Rouge, LA
Built 1980 Load: 19.1 t ADT: 144
Black Rd
PoorOver: DRAINAGE BAYOU
2.3 MI E LA 64,LA67 JCT, East Baton Rouge, LA
Built 1988 Load: 19.1 t ADT: 4
Thompson Creek Rd
PoorOver: SHADY GROVE BRANCH
0.9 M W of LA 19, East Feliciana, LA
Built 1996 Load: 19.1 t ADT: 70
FDR 145
PoorOver: HURRICANE
NO DATA ENTERED, Grant, LA
Built 1970 Load: 19.1 t ADT: 13
LA0076
PoorOver: STREAM NO NAME
0.9 M NE of LA 411, Iberville, LA
Built 1952 Load: 19.1 t ADT: 7,562
LA0075
PoorOver: BAYOU BREAUX
0.67 M N of LA 75, Iberville, LA
Built 1969 Load: 19.1 t ADT: 2,943
LA0155
PoorOver: CREEK
4.6 MI EAST OF LA 542, Jackson, LA
Built 1960 Load: 19.1 t ADT: 351
LA0822
PoorOver: CYPRESS BAYOU
3.35 MI EAST OF US 167, Lincoln, LA
Built 1953 Load: 19.1 t ADT: 1,568
Bonne Idee RD
PoorOver: BAYOU BONNE IDEE
0.3 Mi. E. of US 165, Morehouse, LA
Built 1979 Load: 19.1 t ADT: 200
US0071
PoorOver: CHEVREUILLE B.
1.7 MI. N OF INT LA477, Natchitoches, LA
Built 1956 Load: 19.1 t ADT: 1,691
LA0001
PoorOver: CANE RIVER
.05 MI. N OF S INT LA495, Natchitoches, LA
Built 1948 Load: 19.1 t ADT: 996
LA0117
PoorOver: ST. JOHNS CREEK
0.58 MI. SOUTH OF LA 6, Natchitoches, LA
Built 1977 Load: 19.1 t ADT: 3,420
De Saix BLVD
PoorOver: BAYOU SAINT JOHN
0.0MI.E.OF WISNER BL, Orleans, LA
Built 1941 Load: 19.1 t
Read BLVD
PoorOver: MORRISON CANAL
1.0MI.N.OF I-10, Orleans, LA
Built 1960 Load: 19.1 t
LOVELADY RD
PoorOver: LONGS CREEK
3 MI NW LUNA FIRETOW, Ouachita, LA
Built 1965 Load: 19.1 t ADT: 23
LA0121
PoorOver: CALCASIEU RIVER TRIBUTAR
0.52 MI. SW OF LA 461, Rapides, LA
Built 1973 Load: 19.1 t ADT: 1,932
LA0456
PoorOver: BAYOU LAMOURIE
0.01 MI. EAST OF LA 470, Rapides, LA
Built 1950 Load: 19.1 t ADT: 1,009
LA1204
PoorOver: FLAGON BAYOU
1.38 MI. E OF LA3225, Rapides, LA
Built 1973 Load: 19.1 t ADT: 2,440
LA0350
PoorOver: BAYOU TECHE PARKS
0.36 Mi NE of LA 31, St. Martin, LA
Built 1950 Load: 19.1 t ADT: 3,378
LA0022
PoorOver: BEDICO CREEK
2.6 Mi E of La 445, Tangipahoa, LA
Built 1938 Load: 19.1 t ADT: 6,775
LA1072
PoorOver: DRAIN
0.9 M E OF LA 16, Washington, LA
Built 1954 Load: 19.1 t ADT: 1,105
US0080
PoorOver: CREEK
1.91 MI EAST OF LA 159, Webster, LA
Built 1954 Load: 19.1 t ADT: 3,955
LA3008
PoorOver: CANEY CREEK
1.1 MI SOUTH OF LA 160, Webster, LA
Built 1971 Load: 19.1 t ADT: 145
LA0965
PoorOver: THOMPSON CRK TRIB
1.1 M S of LA 10&LA 965, West Feliciana, LA
Built 1969 Load: 19.1 t ADT: 525
LA0126
PoorOver: MILL CREEK
.7 MI WEST OF LA 1233, Winn, LA
Built 1941 Load: 19.1 t ADT: 310
Showing 12,151-12,200 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.