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
US0090
PoorOver: EAST PEARL RIVER
US0090, St. Tammany, LA
Built 1934 Load: 9.1 t ADT: 1,215
Rosaryville Rd
PoorOver: CREEK
4.5 MI SW OF SR 22 E, Tangipahoa, LA
Built 1975 Load: 9.1 t ADT: 512
Beach Rd
PoorOver: CREEK
.9 MI SW OF JCT 445, Tangipahoa, LA
Built 1960 Load: 9.1 t ADT: 14
Cambell Rd
PoorOver: CREEK
1.4 MI NW OF LA 51 E, Tangipahoa, LA
Built 1975 Load: 9.1 t ADT: 269
Singing Waterfall
PoorOver: CREEK
3 MI NE OF JCT 1062, Tangipahoa, LA
Built 1960 Load: 9.1 t ADT: 64
M. Williams Rd
PoorOver: SPRING CREEK
1 MI SE OF JCT 38 &, Tangipahoa, LA
Built 1960 Load: 9.1 t ADT: 93
14th St
PoorOver: BOGUE CHITTO CR.
FRANKLINTON LA, Washington, LA
Built 1960 Load: 9.1 t ADT: 420
Jimi Thomas Rd
PoorOver: MILLER CREEK BRIDGE
4.6 MI N. OF HWY LA 10, Washington, LA
Built 1960 Load: 9.1 t ADT: 62
Old Columbia Rd
PoorOver: Jamieson Creek
4 MI. N. OF HWY. 25, Washington, LA
Built 1970 Load: 9.1 t ADT: 829
Jamerson Cr. Rd
PoorOver: JAMIESON CREEK
0.8 M W OF HIGHWAY 430, Washington, LA
Built 1990 Load: 9.1 t ADT: 183
LA0160
PoorOver: DORCHEAT B RELIEF
2.9 MI EAST OF LA 3014, Webster, LA
Built 1966 Load: 9.1 t ADT: 537
Grisby Rd
PoorOver: TRIB TO FLAT LICK BAYOU
1.88 MI. E. OF LA. 1, Webster, LA
Built 1979 Load: 9.1 t ADT: 37
LA1232
PoorOver: KYIAIES CREEK
5.84 MI EAST OF LA 501, Winn, LA
Built 1960 Load: 9.1 t ADT: 178
LA0153
PoorOver: TOPY CREEK RELIEF
2.79 MI NORTH OF LA 155, Bienville, LA
Built 1975 Load: 9.4 t ADT: 1,377
LA0520
PoorOver: BEAVER BRANCH
3.44 MI EAST OF US 79, Claiborne, LA
Built 1967 Load: 9.4 t ADT: 532
Lanier Dr
PoorOver: HURRICANE CREEK
.8 MI.NE-LA 37-LA 61, East Baton Rouge, LA
Built 1965 Load: 9.4 t ADT: 5,397
Victoria Dr
PoorOver: HURRICANE CREEK
400' N OF US 190, East Baton Rouge, LA
Built 1968 Load: 9.4 t ADT: 800
LA0068
PoorOver: KARRS CREEK
4 MI S La 10, East Feliciana, LA
Built 1964 Load: 9.4 t ADT: 4,439
Applewhite St
PoorOver: Chatlin Lake Canal
APPLEWHITE STREET, Rapides, LA
Built 1983 Load: 9.4 t ADT: 240
Libuse Cut-off Rd
PoorOver: FLAGON BAYOU
1.0 MI. NORTH OF LA 28, Rapides, LA
Built 1979 Load: 9.4 t ADT: 220
LA0120
PoorOver: CREEK
0.86 MI EAST OF US 171, Sabine, LA
Built 1960 Load: 9.4 t ADT: 235
LA1215
PoorOver: TOLEDO BEND LAKE
1.08 MI. WEST OF LA 191, Sabine, LA
Built 1968 Load: 9.4 t ADT: 1,532
Marydale Rd
PoorOver: ALEXANDER CREEK
.5 MI. E of US61, West Feliciana, LA
Built 1975 Load: 9.4 t ADT: 60
LA1232
PoorOver: CREEK
.22 MI EAST OF LA 501, Winn, LA
Built 1960 Load: 9.4 t ADT: 178
Hosston River Rd
PoorOver: HOSSTON R. RD, KELLY B.
0.8 MILES E OF INT. US 71, Caddo, LA
Built 1981 Load: 9.7 t ADT: 147
EARL RD.
PoorOver: CREOLE CANAL
0.4 MI N of LA 27, Cameron, LA
Built 1967 Load: 9.7 t ADT: 173
LA0520
PoorOver: CREEK
1.86 MI NORTH OF I-20, Claiborne, LA
Built 1967 Load: 9.7 t ADT: 943
Rodney Dr
PoorOver: DRAINAGE CANAL
RODNEY DR., East Baton Rouge, LA
Built 1960 Load: 9.7 t ADT: 350
LA0700
PoorOver: INDIAN BAYOU
1.3 MI NORTH OF LA 92, Lafayette, LA
Built 1977 Load: 9.7 t ADT: 1,900
Beeson St
PoorOver: FLAGON BAYOU TRIB.
0.14 MI. WEST OF US 165, Rapides, LA
Built 1970 Load: 9.7 t ADT: 200
MCMANUS RD
PoorOver: CREEK
LOGMI 5.11 FR 432 TO, Richland, LA
Built 1966 Load: 9.7 t ADT: 150
LA0120
PoorOver: BAYOU SCIE RELIEF 1
3.43 MI EAST OF US 171, Sabine, LA
Built 1960 Load: 9.7 t ADT: 235
LA0975
PoorOver: CREEK
4.3 MI N of I-10, St. Martin, LA
Built 1968 Load: 9.7 t ADT: 231
LA0056
PoorOver: ROBINSON CANAL
1.7 MI NORTH OF LA 57, Terrebonne, LA
Built 1966 Load: 9.7 t ADT: 3,872
Wright Rd
PoorOver: COULEE
0.7 Mi S of La 14, Vermilion, LA
Built 1965 Load: 9.7 t ADT: 150
Savage Forks Rd
PoorOver: BAYOU ANACOCO
4.1 MI. E. OF LA 464, Vernon, LA
Built 1970 Load: 9.7 t ADT: 200
LA0002-A
PoorOver: THORNY BRANCH
.6 MI EAST OF LA 159, Webster, LA
Built 1968 Load: 9.7 t ADT: 655
Adams Crossing
PoorOver: BAYOU ROUGE
0.01 MI. WEST OF LA 361, Avoyelles, LA
Built 1970 Load: 10.0 t ADT: 40
Caplis Sligo Rd
PoorOver: Red Chute Bayou
1.6 MI SOUTH OF LA 612, Bossier, LA
Built 1995 Load: 10.0 t ADT: 710
Collinsbrg Creek
PoorOver: Collinsburg Creek
1.5 MI W OF HWY 3, Bossier, LA
Built 1980 Load: 10.0 t ADT: 110
Mchugh Rd
PoorOver: BAKER CANAL
2.2 MI SE JCT LA 64, East Baton Rouge, LA
Built 1960 Load: 10.0 t ADT: 973
E Flanacher Rd
PoorOver: DRAINAGE CANAL
0.7 MI E OF US 61, East Baton Rouge, LA
Built 1968 Load: 10.0 t ADT: 933
LONGWOOD RD
PoorOver: DRAIN
1.1 MI E of LA 596, East Carroll, LA
Built 1977 Load: 10.0 t
LA0955
PoorOver: KNIGHTON BAYOU
0.7 Mi N of LA 957, East Feliciana, LA
Built 1966 Load: 10.0 t ADT: 989
Carruth Rd
PoorOver: KELLERS BAYOU
1.7 Mi NE of LA 19, East Feliciana, LA
Built 1975 Load: 10.0 t ADT: 110
Inez T. Rd
PoorOver: ISAAC VEROT COULEE
0.12 Mi NW of Bonin Rd, Lafayette, LA
Built 1970 Load: 10.0 t ADT: 8
HAMILTON ST
PoorOver: FORTY ARPENT CANAL
1.3 MI N. OF LA 308, Lafourche, LA
Built 1960 Load: 10.0 t ADT: 204
LA0449
PoorOver: CREEK
1.0 M E OF LA 1019, Livingston, LA
Built 1955 Load: 10.0 t ADT: 1,467
LA1020
PoorOver: CREEK
0.5 M NW OF LA 1019, Livingston, LA
Built 1930 Load: 10.0 t ADT: 134
CUTOFF RD
PoorOver: BAYOU COULEE
.4 MI. W. INT. 045, Morehouse, LA
Built 1981 Load: 10.0 t ADT: 40
Showing 11,501-11,550 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.