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
Reese Rd
PoorOver: COULEE
0.2 Mi N La 14, Vermilion, LA
Built 1960 Load: 15.9 t ADT: 50
LA0008
PoorOver: CREEK
3.3 MI EAST OF LA 469, Vernon, LA
Built 1956 Load: 15.9 t ADT: 1,700
BLACKMON RD
PoorOver: CASTOR BAYOU
1.0 M. W. OF COOPER RD., Vernon, LA
Built 1978 Load: 15.9 t ADT: 90
CRAIGERVILLE RD
PoorOver: MAYHAW BRANCH
3.2 M. E. OF LA 117 NEAR, Vernon, LA
Built 1962 Load: 15.9 t ADT: 40
LA0159
PoorOver: CREEK
1.7 MI NORTH OF LA 615, Webster, LA
Built 1966 Load: 15.9 t ADT: 813
LA1229
PoorOver: REDLAND CREEK
.86 MI WEST OF LA 34, Winn, LA
Built 1949 Load: 15.9 t ADT: 39
LA0934
PoorOver: BLACK BAYOU
0.6 Mi. E of LA 44, Ascension, LA
Built 1971 Load: 16.2 t ADT: 5,367
James St.
PoorOver: SALINE BAYOU TRIBUTARY
0.4 M NORTH OF LA 147, Bienville, LA
Built 1991 Load: 16.2 t ADT: 100
Village Rd
PoorOver: TRIB. TO MACKS BAYOU
0.2 MI N OF HWY 72, Bossier, LA
Built 1977 Load: 16.2 t ADT: 100
LA0020
PoorOver: DRAINAGE CANAL
5.0 MI NORTH OF LA 308, Lafourche, LA
Built 1968 Load: 16.2 t ADT: 20,091
LA0308
PoorOver: DRAINAGE CANAL
.5 MI SOUTH OF LA 655, Lafourche, LA
Built 1965 Load: 16.2 t ADT: 11,623
LA1037
PoorOver: LIZARD CREEK
0.4 M S OF LA 42, Livingston, LA
Built 1964 Load: 16.2 t ADT: 1,668
Strothers Crossing
PoorOver: CALCASIEU RIVER
1.11 MILES EAST OF LA 112, Rapides, LA
Built 1981 Load: 16.2 t ADT: 90
LA0037
PoorOver: GLASS BRANCH
1.5 miles south of LA 10, St. Helena, LA
Built 1960 Load: 16.2 t ADT: 1,781
LA0178
PoorOver: BAYOU BOURBEAUX
0.40 MI EAST OF LA 182, St. Landry, LA
Built 1976 Load: 16.2 t ADT: 1,619
US0051
PoorOver: YELLOW WATER RIVER
0.3 MI N OF LA 3234, Tangipahoa, LA
Built 1953 Load: 16.2 t ADT: 16,234
LA3008
PoorOver: BLACK BAYOU RELIEF
1.2 MI SOUTH OF LA 160, Webster, LA
Built 1974 Load: 16.2 t ADT: 145
LA0076
PoorOver: STREAM NO NAME
0.9 MI W of LA 1, West Baton Rouge, LA
Built 1930 Load: 16.2 t ADT: 6,347
US0080
PoorOver: KCS RR
5.9 MI EAST PF I-220, Caddo, LA
Built 1927 Load: 16.3 t ADT: 11,856
WEST ST
PoorOver: BUXTON CREEK
0.1 MI N of PATRICIA H RD, Calcasieu, LA
Built 1955 Load: 16.3 t ADT: 50
Spec Garig Rd
PoorOver: LITTLE COMITE CREEK
0.9 M E of LA 19, East Feliciana, LA
Built 1965 Load: 16.3 t ADT: 40
LA0148
PoorOver: CREEK
6.19 MI WEST OF LA 146, Jackson, LA
Built 1955 Load: 16.3 t ADT: 532
6TH ST
PoorOver: KEYHOLE CANAL
260' East of Avenue H, Jefferson, LA
Built 1960 Load: 16.3 t ADT: 200
Homestead Ave
PoorOver: CANAL NO.2
0.4MI.N.OF.VETERANS, Jefferson, LA
Built 1970 Load: 16.3 t
PECAN ORCHARD ROAD
PoorOver: EAST BAYOU LACASSINE
0.3 MI E of LA 99, Jefferson Davis, LA
Built 1965 Load: 16.3 t ADT: 50
LA0485
PoorOver: LITTLE RIVER RELIEF
3.85 MI. NORTH OF LA 6, Natchitoches, LA
Built 1956 Load: 16.3 t ADT: 508
PATRICIA ST
PoorOver: CHALMETTE VISTA CANAL
O.1MI.W.OF VILLAGE S, St. Bernard, LA
Built 1960 Load: 16.3 t ADT: 4,562
LA0037
PoorOver: CREEK
2.6 M SW OF LA 10, St. Helena, LA
Built 1958 Load: 16.3 t ADT: 1,730
Sibley Rd
PoorOver: CREEK
4 MI SE OF JCT 190 &, Tangipahoa, LA
Built 1974 Load: 16.3 t ADT: 611
LA0463
PoorOver: LITTLE BRUSHY CREEK
3.7 MI NORTH OF LA 10, Vernon, LA
Built 1944 Load: 16.3 t ADT: 482
LA0463
PoorOver: BRUSHY CREEK
6.3 MI NORTH OF LA 10, Vernon, LA
Built 1944 Load: 16.3 t ADT: 482
LA0463
PoorOver: DRAIN
12.7 MI NORTH OF LA 10, Vernon, LA
Built 1944 Load: 16.3 t ADT: 482
Doc Steed Rd
PoorOver: SAUSMAN CREEK
3.5 MI S OF HWY 7, Webster, LA
Built 1979 Load: 16.3 t ADT: 159
Canfield Rd
PoorOver: WESTFORK BAYOU-CANFIELD
.7 MI NE LA 965-US 61 JCT, West Feliciana, LA
Built 1993 Load: 16.3 t ADT: 180
Muddy Creek Rd
PoorOver: MUDDY CREEK
.8 MI.N.OF LA44, LA4, Ascension, LA
Built 1978 Load: 16.5 t ADT: 150
LA0513
PoorOver: BRUSHY BAYOU
1.81 MI NORTH OF LA 483, De Soto, LA
Built 1969 Load: 16.5 t ADT: 243
Buchanan St
PoorOver: CORPORATION CANAL
.01 Mi W. of Highland Rd, East Baton Rouge, LA
Built 1960 Load: 16.5 t ADT: 2,500
IOWA AVENUE
PoorOver: DRAINAGE DITCH
0.4 MI N OF 3rd ST, Jefferson Davis, LA
Built 1968 Load: 16.5 t ADT: 200
DUGAS RD.
PoorOver: DITCH
0.5 MI. W. of LA 26, Jefferson Davis, LA
Built 1976 Load: 16.5 t ADT: 100
SOUTH ADAMS STREET
PoorOver: EAST LACASSINE BAYOU
0.1 MI S of US 90, Jefferson Davis, LA
Built 1970 Load: 16.5 t ADT: 300
ESTES RD.
PoorOver: DRAIN
1.7 MI W of LA 102, Jefferson Davis, LA
Built 1970 Load: 16.5 t ADT: 130
LA0001-X
PoorOver: CANE RIVER
.01 MI. S OF INT LA1224, Natchitoches, LA
Built 1936 Load: 16.5 t ADT: 6,362
LA0413
PoorOver: FALSE BAYOU
0.1 Mi. N of LA 414, Pointe Coupee, LA
Built 1972 Load: 16.5 t ADT: 5,896
Potato Farm Rd
PoorOver: CAMPGROUND CREEK
0.49 MI. N. OF SUNSET RD., Rapides, LA
Built 1978 Load: 16.5 t ADT: 75
Potato Farm Rd
PoorOver: LEMEUSE CREEK
2.5 MI. N. OF SUNSET RD., Rapides, LA
Built 1978 Load: 16.5 t ADT: 70
LA0752
PoorOver: DRAINAGE CANAL
0.64 MI WEST OF LA 751, St. Landry, LA
Built 1968 Load: 16.5 t ADT: 475
US0011
PoorOver: NO&NE RAILROAD
1.05 MI S OF I-12 EB, St. Tammany, LA
Built 1937 Load: 16.5 t ADT: 15,607
Tiger branch
PoorOver: BR. OVER TIGER BRANCH
1.40 EAST OF LA 25, St. Tammany, LA
Built 1987 Load: 16.5 t ADT: 300
W. Yellow water Rd
PoorOver: CREEK
1.2 MI NW OF LA 51 E, Tangipahoa, LA
Built 1978 Load: 16.5 t ADT: 1,220
LA0887
PoorOver: BLACK RIVER BAYOU
1.0 MI SOUTH OF LA 887, Tensas, LA
Built 1970 Load: 16.5 t ADT: 58
Showing 11,951-12,000 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.