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
LA0944
PoorOver: BAYOU MCCALL
0.6 M SW of LA 1&LA 943, Ascension, LA
Built 1972 Load: 17.5 t ADT: 98
Summerfield Rd
PoorOver: LAKE VILLARS
.9 MI.S.OF PORT VINC, Ascension, LA
Built 1975 Load: 17.5 t ADT: 250
Summerfield Rd
PoorOver: LAKE VILLAKS
.9 MI.S.OF PORT VINC, Ascension, LA
Built 1975 Load: 17.5 t ADT: 250
LA0501
PoorOver: CREEK
3.61 MI SOUTH OF LA 4, Bienville, LA
Built 1960 Load: 17.5 t ADT: 318
LA0169
PoorOver: TWELVE MILE BAYOU
1.6 MI EAST OF LA 1, Caddo, LA
Built 1955 Load: 17.5 t ADT: 311
LA0170
PoorOver: BLACK BAYOU
7.99 MI EAST OF LA 1, Caddo, LA
Built 1977 Load: 17.5 t ADT: 1,209
LA0765
PoorOver: GARRISON CREEK
1.94 MI WEST OF LA 764, De Soto, LA
Built 1974 Load: 17.5 t ADT: 1,150
S Campus Dr
PoorOver: CORPORATION CANAL
L.S.U. CAMPUS (STATE), East Baton Rouge, LA
Built 1955 Load: 17.5 t ADT: 16,457
Centurion Ave
PoorOver: DRAIN BAYOU
.50 MI N. O'NEAL LANE, East Baton Rouge, LA
Built 1977 Load: 17.5 t ADT: 379
Carey Rd
PoorOver: BLACKWATER BAYOU
0.4 Mi W of LA 410, East Baton Rouge, LA
Built 1960 Load: 17.5 t ADT: 1,137
Pettit Rd
PoorOver: WHITE BAYOU
0.3 MI E of LA 67, East Baton Rouge, LA
Built 1965 Load: 17.5 t ADT: 2,544
Chaney Rd
PoorOver: WIND BAYOU
1.2 MI SOUTHWEST OF, East Baton Rouge, LA
Built 1972 Load: 17.5 t ADT: 668
FDR 145
PoorOver: DYSON CREEK
NO DATA ENTERED, Grant, LA
Built 1972 Load: 17.5 t ADT: 30
Canberra Rd.
PoorOver: COULEE
0.39 Mi Eof US 167, Lafayette, LA
Built 1983 Load: 17.5 t ADT: 1,120
US0165
PoorOver: MP RAILROAD
2.5 MI NORTH OF SOUTH INT, Morehouse, LA
Built 1939 Load: 17.5 t ADT: 1,405
Holiday Dr
PoorOver: ALGIERS CANAL
0.01MI. E OF DEGAULLE AV., Orleans, LA
Built 1958 Load: 17.5 t
LA0001
PoorOver: BAYOU MOREAU
2.2 M NW of LA 970, Pointe Coupee, LA
Built 1957 Load: 17.5 t ADT: 3,289
Will White Rd
PoorOver: SPANISH BRANCH
1.19 M. S. PINE COUPEE RD, Rapides, LA
Built 1970 Load: 17.5 t ADT: 140
Veazie Rd
PoorOver: COMPANY CANAL
1.7 Mi N. of LA 10, St. Landry, LA
Built 1980 Load: 17.5 t ADT: 250
LA0352
PoorOver: BAYOU AMY
2.0 MI EAST OF LA 349, St. Martin, LA
Built 1968 Load: 17.5 t ADT: 2,711
LA0975
PoorOver: CREEK
4.9 MI N of I-10, St. Martin, LA
Built 1968 Load: 17.5 t ADT: 231
CHRIS KENNEDY RD
PoorOver: GUM CREEK
1.32 MI. SOUTH OF LA 41, St. Tammany, LA
Built 1984 Load: 17.5 t ADT: 848
Brown Rd
PoorOver: CREEK
4.5 MI NE OF SR 22 E, Tangipahoa, LA
Built 1976 Load: 17.5 t ADT: 1,473
N. Jackson Rd
PoorOver: EVANS BR.
1.8 MI SW OF JCT 106, Tangipahoa, LA
Built 1975 Load: 17.5 t ADT: 57
FALGOUT CANAL RD
PoorOver: GRAND CAILLOU BAYOU
0.04 MI W OF LA 57, Terrebonne, LA
Built 1976 Load: 17.5 t ADT: 363
MCRAE ST
PoorOver: CASTOR BAYOU TRIB.
0.16 MI. S. OF BOONE ST., Vernon, LA
Built 1974 Load: 17.5 t ADT: 80
LA0026
PoorOver: CREEK
4.2 MI E OF LA 377, Allen, LA
Built 1968 Load: 17.8 t ADT: 2,151
TOPSY BEL RD
PoorOver: BARNES CREEK
3.7 MI. S. OF US 190, Allen, LA
Built 1972 Load: 17.8 t ADT: 664
K C Rd
PoorOver: BAYOU NARCISSE
2.7 MI NE DUTCHTOWN, Ascension, LA
Built 1970 Load: 17.8 t ADT: 250
LA0009
PoorOver: SPRAWLS MILL CREEK
1.0 MI N. OF LA 155, Bienville, LA
Built 1970 Load: 17.8 t ADT: 1,172
LA0507
PoorOver: CREEK
0.1M SW OF LA 797, Bienville, LA
Built 1993 Load: 17.8 t ADT: 845
LA0534
PoorOver: DRAIN
1.4 MI NORTH OF LA 534-S, Claiborne, LA
Built 1973 Load: 17.8 t ADT: 118
LA0010
PoorOver: Nezpique Bayou E. Fork
9.0 MI SOUTH OF LA 106, Evangeline, LA
Built 1950 Load: 17.8 t ADT: 1,599
FDR 102
PoorOver: INDIAN CREEK
NATIONAL FOREST, Grant, LA
Built 1965 Load: 17.8 t ADT: 12
FDR 102
PoorOver: SHADY CREEK
NO DATA ENTERED, Grant, LA
Built 1965 Load: 17.8 t ADT: 12
NEW COMER RD.
PoorOver: BAYOU
2.3 MI E of LA 383, Jefferson Davis, LA
Built 1979 Load: 17.8 t ADT: 40
Old Spanish Trail
PoorOver: ILE DES CANNES COULEE
1.5 Mi. W. of LA 93, Lafayette, LA
Built 1978 Load: 17.8 t ADT: 360
FDR 354
PoorOver: HYATT BRANCH
NO DATA ENTERED, Natchitoches, LA
Built 1970 Load: 17.8 t ADT: 30
LA3033
PoorOver: CHENIERE SPILLWAY
3.84 MI NORTH OF LA 34, Ouachita, LA
Built 1947 Load: 17.8 t ADT: 5,669
FDR 240
PoorOver: CASTOR
NO DATA ENTERED, Rapides, LA
Built 1972 Load: 17.8 t ADT: 30
LA0002
PoorOver: CREEK
6.2 MI EAST OF LA 33, Union, LA
Built 1931 Load: 17.8 t ADT: 6,236
LA0082
PoorOver: TURF BAYOU
12.49 Mi W of La 3147, Vermilion, LA
Built 1958 Load: 17.8 t ADT: 2,899
River Rd
PoorOver: BOGUE CHITTO CREEK
1.35 M S of LA 438, Washington, LA
Built 1983 Load: 17.8 t ADT: 582
LA0002
PoorOver: COLEWA CREEK
4.0 MI EAST OF LA 585, West Carroll, LA
Built 1953 Load: 17.8 t ADT: 2,725
FDR 542
PoorOver: COULEY CREEK
LOGMI 1.30 FR 594 TO, Winn, LA
Built 1965 Load: 17.8 t ADT: 10
Roy Rd.
PoorOver: BLANC BAYOU
0.7 Mi. S. of US 90, Acadia, LA
Built 1965 Load: 18.1 t ADT: 28
Boyce Tower Rd
PoorOver: CONWAY BAYOU
0.8 M W of US 61, Ascension, LA
Built 1965 Load: 18.1 t ADT: 5
Rexmere Crossing
PoorOver: BAYOU DES GLAISES
8M NNW OF SIMMESPORT, Avoyelles, LA
Built 1991 Load: 18.1 t ADT: 80
LA0153
PoorOver: TOPY CREEK RELIEF
2.60 MI NORTH OF LA 155, Bienville, LA
Built 1975 Load: 18.1 t ADT: 1,377
Domino Rd
PoorOver: CHOCTAW CREEK
1.5 MI W OF LA 147, Bienville, LA
Built 1977 Load: 18.1 t ADT: 100
Showing 12,051-12,100 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.