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
LA1232
PoorOver: LITTLE CREEK
3.12 MI EAST OF LA 501, Winn, LA
Built 1960 Load: 6.8 t ADT: 178
Fish Creek Camp Rd
PoorOver: Fish Creek
0.28 M. W of Fish Creek R, Grant, LA
Built 1988 Load: 7.1 t ADT: 5
LA0682
PoorOver: NORRIS CANAL
0.84 MI NORTH OF LA 675, Iberia, LA
Built 1967 Load: 7.3 t ADT: 750
DONALDSON AVE
PoorOver: HORSE BAYOU/DONALDSON ST
.1 MI. E. INT. 014, Morehouse, LA
Built 1978 Load: 7.3 t ADT: 100
Bobby Morgan Rd
PoorOver: TWELVE MILE CREEK
1.3 MI.W.OF D.E., St. Helena, LA
Built 1958 Load: 7.3 t ADT: 60
Randall Rd
PoorOver: CREEK
3.7 MI NW OF RT 190, Tangipahoa, LA
Built 1960 Load: 7.3 t ADT: 2,110
Mill Cr. Rd
PoorOver: MILL CREEK
3.9 MI E OF JCT 433, Washington, LA
Built 1960 Load: 7.3 t ADT: 160
Spring Valley Rd
PoorOver: CREEK
0.2 MI WEST OF LA 1075, Washington, LA
Built 1970 Load: 7.3 t ADT: 838
Cleve Kennedy Rd
PoorOver: MORGAN BRANCH
0.6 MI. N OF HWY. 43, Washington, LA
Built 1960 Load: 7.3 t ADT: 330
Grand Rd
PoorOver: DRAINAGE CANAL
0.5 Mi. E. of LA 69, Iberville, LA
Built 1975 Load: 7.5 t ADT: 90
LA1226
PoorOver: BAYOU CHEVREUILLE
2.7 MI. N OF INT US71, Natchitoches, LA
Built 1967 Load: 7.5 t ADT: 41
Leggit Crossing
PoorOver: BAYOU MACON
1.9 Mi. E. of LA 588, East Carroll, LA
Built 1960 Load: 7.8 t ADT: 200
Sparrow Lane
PoorOver: MARTEAU BAYOU
0.3 M. SE OF LA 492, Grant, LA
Built 1919 Load: 7.8 t ADT: 40
Bryn Mawr St
PoorOver: Hynson Bayou
0.32 MI. NW OF US 165B, Rapides, LA
Built 1951 Load: 7.8 t ADT: 1,500
Moses Ln
PoorOver: CHOCTAW BAYOU
1.3 MI. EAST OF LA 1, Avoyelles, LA
Built 1950 Load: 8.0 t ADT: 90
LAKESIDE LOOP
PoorOver: YOCUM CR
LAKESIDE LOOP, Sabine, LA
Built 1967 Load: 8.1 t ADT: 110
LOCUST HILL RD
PoorOver: TRIB TO BOGGY BAYOU
0.3 Mi. W. of US 79, Caddo, LA
Built 1984 Load: 8.4 t ADT: 78
Old Baker Rd.
PoorOver: DRAIN
LA 1209, East Baton Rouge, LA
Built 1963 Load: 8.4 t ADT: 2,717
Buck Horn Dr
PoorOver: DRAINAGE BAYOU
1.3 MILES EAST OF FRED, East Baton Rouge, LA
Built 1985 Load: 8.4 t ADT: 314
FDR 127
PoorOver: HURRICANE CREEK
NO DATA ENTERED, Grant, LA
Built 1975 Load: 8.4 t ADT: 30
Veazie Rd
PoorOver: FISH BAYOU
1 Mi N. of La 10, St. Landry, LA
Built 1977 Load: 8.4 t ADT: 250
LA0160
PoorOver: DORCHEAT B RELIEF
0.87 MI West OF LA 3008, Webster, LA
Built 1966 Load: 8.4 t ADT: 537
LA0537
PoorOver: POSTEN BAYOU
6.30 MI NORTH OF LA 2, Bossier, LA
Built 1971 Load: 8.7 t ADT: 67
Labit Rd
PoorOver: COULEE
0.3 MI North of LA 88, Iberia, LA
Built 1965 Load: 8.7 t ADT: 829
BOLLES RD.
PoorOver: GULLY
1.5 MI W of LA395, Jefferson Davis, LA
Built 1975 Load: 8.7 t ADT: 25
Switzerland Rd.
PoorOver: DARBY COULEE
0.37 Mi SW of LA 339, Lafayette, LA
Built 1985 Load: 8.7 t ADT: 16
Larock Rd
PoorOver: NATALBANY CREEK
0.9 Mi W of US 51, Tangipahoa, LA
Built 1950 Load: 8.7 t ADT: 14
GRAND CAILLOU RD
PoorOver: PLATT BAYOU
0119 LOG MI FROM IN, Terrebonne, LA
Built 1978 Load: 8.7 t ADT: 128
LA3147
PoorOver: HUMBLE CANAL
5.5 MI S. OF LA 82, Vermilion, LA
Built 1982 Load: 8.7 t ADT: 221
Airport Rd
PoorOver: Coulee Triet
1.6 Mi. E. of La 1124, Acadia, LA
Built 1965 Load: 9.1 t ADT: 40
CHARLIE KUNTZ RD
PoorOver: KINDER DITCH
0.6 MI N OF LA 3086, Allen, LA
Built 1952 Load: 9.1 t ADT: 150
PARK RD
PoorOver: CREEK
0.1 MI. S OF LA 383, Allen, LA
Built 1965 Load: 9.1 t ADT: 480
LOFTIN RD
PoorOver: PALMETTO CREEK
0.2 MI. N OF SAND BED RD, Beauregard, LA
Built 1990 Load: 9.1 t ADT: 125
Foster Arbor Rd
PoorOver: TOPY CREEK
3.3 MI. WEST OF LA 1, Bienville, LA
Built 1975 Load: 9.1 t ADT: 100
VASTAR ROAD
PoorOver: CENTRAL CANAL
VASTAR ROAD, Cameron, LA
Built 1983 Load: 9.1 t ADT: 10
Monte Sano Ave
PoorOver: DRAIN TO MONTE SANO BAYO
0.3 MI E OF I-110/US190EX, East Baton Rouge, LA
Built 1980 Load: 9.1 t ADT: 192
Dyer Rd
PoorOver: SOUTH BAYOU
3.5 MI.S.LA67,LA64 I, East Baton Rouge, LA
Built 1960 Load: 9.1 t ADT: 1,636
Port Hudson-Pride
PoorOver: INDIAN BAYOU
0.8 M E OF LA 19, East Baton Rouge, LA
Built 1965 Load: 9.1 t ADT: 2,562
LA0963
PoorOver: REDWOOD CREEK
0.9 MI WEST OF LA 19, East Feliciana, LA
Built 1958 Load: 9.1 t ADT: 905
Selma Loop Rd
PoorOver: CREEK
0.41 M. S. OF PARISH ROAD, Grant, LA
Built 1970 Load: 9.1 t ADT: 130
Grand Staff Rd
PoorOver: CREEK
GRAND STAFF ROAD, Grant, LA
Built 1970 Load: 9.1 t ADT: 40
ABELL ROAD
PoorOver: DITCH
2.0 MI E of LA 101, Jefferson Davis, LA
Built 1978 Load: 9.1 t ADT: 50
JOSEPH STREET
PoorOver: CREEK
0.6 MI N of US 90, Jefferson Davis, LA
Built 1968 Load: 9.1 t ADT: 200
ROSTROM ROAD
PoorOver: DRAIN
3.6 MI S of LA 102, Jefferson Davis, LA
Built 1980 Load: 9.1 t ADT: 70
Garber Rd.
PoorOver: COULEE
1.17 MI NE of US 90, Lafayette, LA
Built 1977 Load: 9.1 t ADT: 1,660
Zeagler Rd
PoorOver: CREEK
0.7 miles S of LA 503, LaSalle, LA
Built 1990 Load: 9.1 t ADT: 145
Frank Ballard Rd
PoorOver: CAT BRANCH
0.7 MI NW OF LA 441 EXIT, Livingston, LA
Built 1982 Load: 9.1 t ADT: 150
LA0485
PoorOver: LITTLE RIVER RELIEF
3.5 MI. NORTH OF LA 6, Natchitoches, LA
Built 1956 Load: 9.1 t ADT: 508
LAURELI RD
PoorOver: BRANCH OF CYPRESS CREEK
4 MILES SW LUNA, Ouachita, LA
Built 1980 Load: 9.1 t ADT: 16
AVERY RD
PoorOver: CYPRESS CREEK
3 MI W LUNA, Ouachita, LA
Built 1965 Load: 9.1 t ADT: 32
Showing 11,451-11,500 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.