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
LA0506
PoorOver: BYRD CREEK
.7 MI EAST OF LA 849, Caldwell, LA
Built 1960 Load: 18.1 t ADT: 300
N Achord Rd
PoorOver: DRAINAGE BAYOU
3.8 MI NE JCT I-10 L, East Baton Rouge, LA
Built 1970 Load: 18.1 t ADT: 1,732
Old Baker Zachary
PoorOver: DRAINAGE BAYOU
0.7 MI. N.W. of LA 19, East Baton Rouge, LA
Built 1960 Load: 18.1 t ADT: 1,727
Eagle Dr
PoorOver: W. BRANCH CYPRESS BAYOU
EAGLE DR., ZACHARY,L, East Baton Rouge, LA
Built 1976 Load: 18.1 t ADT: 680
LA0376
PoorOver: BAYOU
3.5 MI WEST OF LA 13, Evangeline, LA
Built 1967 Load: 18.1 t ADT: 104
FDR 145-A
PoorOver: DRY PRONG CREEK
NO DATA ENTERED, Grant, LA
Built 1970 Load: 18.1 t ADT: 13
Monnot Rd
PoorOver: DELAHOUSSAYE CANAL
0.10 Mi SW of La 668, Iberia, LA
Built 1966 Load: 18.1 t ADT: 90
LA0556
PoorOver: DRY CREEK
3.81 MI WEST OF LA 144, Jackson, LA
Built 1968 Load: 18.1 t ADT: 376
LA0810
PoorOver: BROWN CREEK
1.30 MI EAST OF LA 4, Jackson, LA
Built 1968 Load: 18.1 t ADT: 374
FLAT CR RD
PoorOver: FLAT CREEK
1 MI. ENE INT. 461, Jackson, LA
Built 1965 Load: 18.1 t
Melody Dr
PoorOver: CANAL NO. 2
0.5 MI.N.OF.VETERANS, Jefferson, LA
Built 1960 Load: 18.1 t
EAST NICHOLS ST.
PoorOver: WELCH DRAINAGE CANAL
0.3 M EAST OF LA 99, Jefferson Davis, LA
Built 1983 Load: 18.1 t ADT: 500
Fenetre Rd.
PoorOver: ILE DES CANNES COULEE
.94 MI East of Tabb Rd, Lafayette, LA
Built 1983 Load: 18.1 t ADT: 200
LA0653
PoorOver: BAYOU DUMAR
3.7 MI EAST OF LA 182, Lafourche, LA
Built 1960 Load: 18.1 t ADT: 273
John L. Ln
PoorOver: CREEK BRIDGE
1.5MI S OF US 190-LA 1026, Livingston, LA
Built 1978 Load: 18.1 t ADT: 550
LA0603
PoorOver: ROUNDAWAY BAYOU
5.18 MI EAST OF SOUTH INT, Madison, LA
Built 1955 Load: 18.1 t ADT: 100
FDR 508
PoorOver: EIGHTMILE CREEK
NATIONAL FOREST ROAD, Natchitoches, LA
Built 1970 Load: 18.1 t ADT: 30
LA0485
PoorOver: LITTLE RIVER RELIEF
3.34 MI. NORTH OF LA 6, Natchitoches, LA
Built 1956 Load: 18.1 t ADT: 508
LA0119
PoorOver: CREEK
6.55 MI. NORTH OF LA 8, Natchitoches, LA
Built 1968 Load: 18.1 t ADT: 189
LA0119
PoorOver: CREEK
6.59 MI. NORHT OF LA 8, Natchitoches, LA
Built 1968 Load: 18.1 t ADT: 189
Government Rd
PoorOver: CYPRESS CR.
1.46 M. E. OF LA 153 NEAR, Natchitoches, LA
Built 1965 Load: 18.1 t ADT: 152
Peoples Ave
PoorOver: DRAINAGE DITCH
0.0 MI.N.OF FLORIDA, Orleans, LA
Built 1960 Load: 18.1 t
LA0134
PoorOver: BAYOU DESAIRD
1.2 MI EAST OF US 165, Ouachita, LA
Built 1979 Load: 18.1 t ADT: 3,462
LA1204
PoorOver: KITCHEN CREEK
1.71 MI. E OF LA3225, Rapides, LA
Built 1973 Load: 18.1 t ADT: 2,440
US0080
PoorOver: BOEUF RIVER
.4 MI EAST OF LA 133, Richland, LA
Built 1958 Load: 18.1 t ADT: 2,747
LA0576
PoorOver: LITTLE CREEK
1.22 MI EAST OF LA 135, Richland, LA
Built 1968 Load: 18.1 t ADT: 163
Sawmill Rd
PoorOver: CREEK
0.4MI.S.OF LA.16, St. Helena, LA
Built 1964 Load: 18.1 t ADT: 700
Palmer Ln
PoorOver: CREEK
WEST OF BROWN LANE, Tangipahoa, LA
Built 1980 Load: 18.1 t ADT: 8
LA0058
PoorOver: DRAINAGE CANAL
.36 MI EAST OF LA 56, Terrebonne, LA
Built 1966 Load: 18.1 t ADT: 5,194
LA0550
PoorOver: CREEK
4.12 MI NORTH OF LA 15, Union, LA
Built 1936 Load: 18.1 t ADT: 464
LA0550
PoorOver: LION CREEK
8.9 MI NORTH OF LA 15, Union, LA
Built 1950 Load: 18.1 t ADT: 464
LA0331
PoorOver: CREEK
2.1 Mi S. of LA 14, Vermilion, LA
Built 1940 Load: 18.1 t ADT: 1,518
LA0585
PoorOver: CREEK
.9 MI WEST OF LA 577, West Carroll, LA
Built 1948 Load: 18.1 t ADT: 422
Powell Station Rd
PoorOver: WEST FORK BAYOU
1.7 MI S OF US61, West Feliciana, LA
Built 1976 Load: 18.1 t ADT: 60
LA0126
PoorOver: SALINE BAYOU RELIEF
1.2 MI WEST OF LA 1233, Winn, LA
Built 1941 Load: 18.1 t ADT: 310
LA1234
PoorOver: DRAIN
1.76 MI NORTH OF LA 126, Winn, LA
Built 1967 Load: 18.1 t ADT: 94
LA0147
PoorOver: DRY CREEK
0.4 MI S OF LA 507, Bienville, LA
Built 1980 Load: 18.5 t ADT: 1,988
Green Acres Blvd
PoorOver: TRIB. TO MACKS BAYOU
0.5 MI E OF HWY 3, Bossier, LA
Built 1979 Load: 18.5 t ADT: 120
HENDERSON BAYOU RD
PoorOver: HENDERSON BAYOU
.2 MI W of W PRIEN LAKE R, Calcasieu, LA
Built 1960 Load: 18.5 t ADT: 1,869
LA0409
PoorOver: SANDY CREEK
6.7 MI. N of LA 64, East Baton Rouge, LA
Built 1979 Load: 18.5 t ADT: 3,092
S Campus Dr
PoorOver: CORPORATION CANAL
L.S.U CAMPUS, East Baton Rouge, LA
Built 1955 Load: 18.5 t
Gurney Rd
PoorOver: DRAINAGE BAYOU
0.8 Mi E of LA 410, East Baton Rouge, LA
Built 1966 Load: 18.5 t ADT: 4,025
Daniels St
PoorOver: BRUSHY BAYOU
0.6 M E OF LA 19, East Baton Rouge, LA
Built 1967 Load: 18.5 t ADT: 500
McCullough Rd
PoorOver: DRAINAGE BAYOU
1.6 Mi E of LA 410, East Baton Rouge, LA
Built 1967 Load: 18.5 t ADT: 1,028
Hubbs Rd
PoorOver: HUB BAYOU
0.1 MI. S. of LA 64, East Baton Rouge, LA
Built 1968 Load: 18.5 t ADT: 1,386
LA1131
PoorOver: DRAIN
2.8 MI S OF US 90, Jefferson Davis, LA
Built 1976 Load: 18.5 t ADT: 315
BROADMORE ROAD
PoorOver: BROADMORE BAYOU
1.5 MI N of LA 380, Jefferson Davis, LA
Built 1976 Load: 18.5 t ADT: 160
GUIDRY RD.
PoorOver: BROADMORE DITCH
0.08 MI W of BROADMORE RD, Jefferson Davis, LA
Built 1973 Load: 18.5 t ADT: 100
NEW COMER RD.
PoorOver: GULLY
1.2 MI E of LA 383, Jefferson Davis, LA
Built 1971 Load: 18.5 t ADT: 40
W. Congress Rd.
PoorOver: ILE DES CANNES COULEE
0.82 Mi W of La 93, Lafayette, LA
Built 1973 Load: 18.5 t ADT: 3,160
Showing 12,101-12,150 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.