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
LA0952
PoorOver: MCKOWEN CREEK
1.7 miles N of La 10, East Feliciana, LA
Built 1966 Load: 11.0 t ADT: 1,341
LA0952
PoorOver: BEAVER CREEK
LA0952, East Feliciana, LA
Built 1966 Load: 11.0 t ADT: 1,341
LA1026
PoorOver: CREEK
1.6 M SW OF LA 16, Livingston, LA
Built 1961 Load: 11.0 t ADT: 8,669
Kings Dr
PoorOver: ALLEN BAYOU
PLANTATION ESTATES, Livingston, LA
Built 1988 Load: 11.0 t ADT: 450
Lake Forest BLVD
PoorOver: LAWRENCE CANAL
0.1 MI. E. OF BENTLE, Orleans, LA
Built 1975 Load: 11.0 t
HALES RD
PoorOver: CREEK
LOGMI 0.01 FR 0DE TO, Richland, LA
Built 1966 Load: 11.0 t ADT: 230
LA0120
PoorOver: BAYOU SCIE
3.55 MI EAST OF US 171, Sabine, LA
Built 1960 Load: 11.0 t ADT: 235
LA0010
PoorOver: STATE CANAL
1.50 MI WEST OF LA 105, St. Landry, LA
Built 1958 Load: 11.0 t ADT: 708
Lock # 3 Rd
PoorOver: CREEK
RT 778 1.55 MI E OF, St. Tammany, LA
Built 1960 Load: 11.0 t ADT: 100
Waterplant Rd.
PoorOver: TERREBONNE BAYOU
0.01 E OF LA 24, Terrebonne, LA
Built 1959 Load: 11.0 t ADT: 280
LA0082
PoorOver: EAST RELEIF
9.42 MI S. OF LA 3147, Vermilion, LA
Built 1958 Load: 11.0 t ADT: 2,899
LA1232
PoorOver: CREEK
4.64 MI EAST OF LA 501, Winn, LA
Built 1960 Load: 11.0 t ADT: 178
LA3116
PoorOver: CREEK
0.2 mi N. of LA 3123, Acadia, LA
Built 1953 Load: 11.3 t ADT: 654
Redbird Rd.
PoorOver: Coulee
1.1 Mi. S. of Istre Rd, Acadia, LA
Built 1965 Load: 11.3 t ADT: 24
LA1156
PoorOver: MILL CREEK
0.9 MI E of LA 112, Allen, LA
Built 1966 Load: 11.3 t ADT: 550
US0080
PoorOver: SLOUGH BRIDGE
0.6 MI EAST OF LA 154, Bienville, LA
Built 1953 Load: 11.3 t ADT: 780
LA0516
PoorOver: POLAND BRANCH
4.4 MI EAST OF LA 792, Bienville, LA
Built 1961 Load: 11.3 t ADT: 177
Palmetto Ave
PoorOver: Lil Cypress Bayou
0.6 MI E OF HWY 3, Bossier, LA
Built 1965 Load: 11.3 t ADT: 3,000
LA0169
PoorOver: S FORK CROSS B
.6 MI NORTH OF I-20, Caddo, LA
Built 1965 Load: 11.3 t ADT: 2,397
CARL MCCALL RD.
PoorOver: PORTIE BAYOU
0.5 MI. N. OF LA 82, Cameron, LA
Built 1967 Load: 11.3 t ADT: 156
LA0671
PoorOver: BAYOU TECHE JEAN.
0.16 MI EAST OF LA 182, Iberia, LA
Built 1944 Load: 11.3 t ADT: 496
LYONS RD
PoorOver: BAYOU CHENE
0.7 MI S of LA 1126, Jefferson Davis, LA
Built 1978 Load: 11.3 t ADT: 80
WEST RACCA ROAD
PoorOver: EAST GRAND MARAIS DITCH
1.7 MI W of LA 26, Jefferson Davis, LA
Built 1979 Load: 11.3 t ADT: 50
Oak Ridge Park Rd
PoorOver: CANAL
0.5M WEST OF LA 1, Lafourche, LA
Built 1981 Load: 11.3 t ADT: 81
US0084
PoorOver: M P R/R
.91 MI EAST OF US 165, LaSalle, LA
Built 1932 Load: 11.3 t ADT: 1,473
Ginny Ln
PoorOver: BLOOD RIVER
0.70 MILES SOUTH OF LA.42, Livingston, LA
Built 1995 Load: 11.3 t ADT: 8
Meadow Ln
PoorOver: SPILLERS CREEK
0.4 Miles South of LA 16, Livingston, LA
Built 1995 Load: 11.3 t ADT: 352
LA0119
PoorOver: CREEK
0.40 MILES NORTH OF LA 8, Natchitoches, LA
Built 1971 Load: 11.3 t ADT: 189
HARRISON/COLLIER
PoorOver: CONCRETE CANAL
W1 BLOCK FROM POWELL AVE., Ouachita, LA
Built 1961 Load: 11.3 t
MARTIN LN
PoorOver: DRAINAGE CANAL
0.2 MI SOUTH OF HWY 23, Plaquemines, LA
Built 1987 Load: 11.3 t
LA0474
PoorOver: MIDKIFF CREEK
7.57 MI EAST OF LA 191, Sabine, LA
Built 1958 Load: 11.3 t ADT: 1,105
Beach Rd
PoorOver: CREEK
.9 MI SW OF JCT 445, Tangipahoa, LA
Built 1960 Load: 11.3 t ADT: 16
JEAN ST
PoorOver: CASTOR BAYOU TRIB.
1.2 MILES WEST OF US 171, Vernon, LA
Built 1970 Load: 11.3 t ADT: 3,600
CLYDE SMITH RD
PoorOver: CREEK
0.2 MI. N. OF HWY. 4, Washington, LA
Built 1970 Load: 11.3 t ADT: 315
LA0159
PoorOver: CYPRESS CR RELIEF
3.5 MI NORTH OF LA 615, Webster, LA
Built 1966 Load: 11.3 t ADT: 866
Como Rd
PoorOver: POLLY CREEK
2.2 MI.SW LA66, LA968 JCT, West Feliciana, LA
Built 1982 Load: 11.3 t ADT: 30
LINWOOD AVE
PoorOver: KCS,MOPAC & PAC RRS
0.1 MI. SO. OF U.S. 80, Caddo, LA
Built 1950 Load: 11.7 t ADT: 22,308
LA3256
PoorOver: ENGLISH BAYOU
.74 MI NORTH OF US 90, Calcasieu, LA
Built 1969 Load: 11.7 t ADT: 1,062
Fraternity St
PoorOver: MONTE SANO BAYOU
.5 MI N. OF SCOTLANDVILLE, East Baton Rouge, LA
Built 1982 Load: 11.7 t ADT: 553
Ave G
PoorOver: ROADSIDE DITCH
7' W OF LA 19, East Baton Rouge, LA
Built 1978 Load: 11.7 t ADT: 350
Government Rd
PoorOver: CYPRESS CR.
0.86 M. E. OF LA 153 NEAR, Natchitoches, LA
Built 1965 Load: 11.7 t ADT: 152
LA0134
PoorOver: MILL BAYOU
2.0 MI EAST OF LA 136, Ouachita, LA
Built 1957 Load: 11.7 t ADT: 3,462
LAKESIDE LOOP
PoorOver: YOCUM CREEK
APP. 2.75 M. W. OF LA 191, Sabine, LA
Built 1967 Load: 11.7 t ADT: 110
US0090
PoorOver: WEST MIDDLE RIVER
1.9 mi NE of US 190, St. Tammany, LA
Built 1933 Load: 11.7 t ADT: 1,215
Chappepeela Rd
PoorOver: BRUSHY BRANCH
2 MI.NE.OF JCT.1064, Tangipahoa, LA
Built 1974 Load: 11.7 t ADT: 1,520
W. P. Stewart
PoorOver: LEES CREEK
1.5 MI. W OF 1075, Washington, LA
Built 1970 Load: 11.7 t ADT: 430
J. W. Riles Rd
PoorOver: DEER LICK CR.
1.3 MI. SW. OF LA 38, Washington, LA
Built 1983 Load: 11.7 t ADT: 415
LA0589
PoorOver: ALLIGATOR BAYOU
.6 MI EAST OF LA 17, West Carroll, LA
Built 1957 Load: 11.7 t ADT: 233
LA1123
PoorOver: CREEK
2.23 MI WEST OF LA 98, Acadia, LA
Built 1954 Load: 11.8 t ADT: 134
Istre Rd
PoorOver: Lazy Point Canal
1.1 Mi. W. of La 92, Acadia, LA
Built 1965 Load: 11.8 t ADT: 96
Showing 11,601-11,650 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.