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
Bordelon Crossing
PoorOver: BAYOU ROUGE
4 MI. SOUTH OF EVERG, Avoyelles, LA
Built 1950 Load: 11.8 t ADT: 80
LA0506
PoorOver: CASTOR RELIEF
7.3 MI WEST OF US 165, Caldwell, LA
Built 1931 Load: 11.8 t ADT: 306
LA0506
PoorOver: CASTOR RELIEF
6.8 MI WEST OF US 165, Caldwell, LA
Built 1931 Load: 11.8 t ADT: 306
Lemon B Rd
PoorOver: DRAINAGE BAYOU
2 MI. S. of LA 412, East Baton Rouge, LA
Built 1980 Load: 11.8 t ADT: 105
Par Rd 4-100
PoorOver: PALMERS BRANCH
0.7 MI. N CLINT-WILSON RD, East Feliciana, LA
Built 1958 Load: 11.8 t ADT: 362
LA0343
PoorOver: INDIAN BAYOU
0.2 MI NORTH OF LA 342, Lafayette, LA
Built 1957 Load: 11.8 t ADT: 3,757
LA0485
PoorOver: LITTLE RIVER
1.53 MI N OF JCT LA 1222, Natchitoches, LA
Built 1956 Load: 11.8 t ADT: 508
RIVER RD
PoorOver: PRAIRION BAYOU
6.22 MI SE of LA 557, Ouachita, LA
Built 1968 Load: 11.8 t ADT: 75
HULL GEORGE RD
PoorOver: ROGERS CREEK
2 MI SE OKALOOSA, Ouachita, LA
Built 1960 Load: 11.8 t ADT: 56
LA0040
PoorOver: BULL BRANCH
3.3 M E OF LA 445, Tangipahoa, LA
Built 1957 Load: 11.8 t ADT: 2,778
Hinson Rd
PoorOver: CANAL
1.5 M E/SE OF I-12&LA 124, Tangipahoa, LA
Built 1975 Load: 11.8 t ADT: 4
Nuccio Rd
PoorOver: YELLOW WATER RIVER
0.5 NW OF JCT LA442& US51, Tangipahoa, LA
Built 1975 Load: 11.8 t ADT: 1,035
LA0399
PoorOver: CREEK
.55 MI NORTH OF LA 458, Vernon, LA
Built 1964 Load: 11.8 t ADT: 396
LA0501
PoorOver: MEDENHAUSE CREEK
1.62 MI SOUTH OF LA 156, Winn, LA
Built 1975 Load: 11.8 t ADT: 1,026
LA0091
PoorOver: B. PLAQ. BRULE/ESTHERWOO
1.2 MI N of US 90, Acadia, LA
Built 1975 Load: 12.0 t ADT: 1,617
LA0082
PoorOver: SUPERIOR CANAL
27.0 MI E OF LA 27, Cameron, LA
Built 1956 Load: 12.0 t ADT: 2,899
Goodwood Blvd
PoorOver: JONES CREEK
1.5 MI E OF US 61, East Baton Rouge, LA
Built 1960 Load: 12.0 t ADT: 10,543
LA0472
PoorOver: INDIAN CREEK
5.02 MI EAST OF US 167, Grant, LA
Built 1938 Load: 12.0 t ADT: 88
LA0308
PoorOver: SCULLY CANAL
.6 MI SOUTH OF LA 308 SPU, Lafourche, LA
Built 1954 Load: 12.0 t ADT: 5,198
US0080
PoorOver: BAYOU MACON
.7 MI EAST OF LA 17, Madison, LA
Built 1955 Load: 12.0 t ADT: 1,451
KITES LANDING RD
PoorOver: WILSON BRANCH
KITES LANDING ROAD, Sabine, LA
Built 1967 Load: 12.0 t ADT: 110
LA0631
PoorOver: DRAIN CANAL
.6 MI EAST OF LA 306, St. Charles, LA
Built 1962 Load: 12.0 t ADT: 1,544
LA0037
PoorOver: GLASS BRANCH
1.6 M SW OF LA 10, St. Helena, LA
Built 1958 Load: 12.0 t ADT: 1,781
LA0324
PoorOver: BAYOU TECHE
0.1 MI WEST OF LA 326, St. Mary, LA
Built 1941 Load: 12.0 t ADT: 883
POPLAR ST
PoorOver: MILL CREEK
0.2 MI SOUTH OF LA 1156, Allen, LA
Built 1965 Load: 12.3 t ADT: 750
LA0308
PoorOver: HALWAY CANAL
4.3 M N of LA 70, Assumption, LA
Built 1969 Load: 12.3 t ADT: 1,825
LA0162
PoorOver: BLACK BAYOU
00.76 MI EAST OF LA 3, Bossier, LA
Built 1967 Load: 12.3 t ADT: 4,595
LA0109
PoorOver: GULLY
0.1 MI S OF LA 12, Calcasieu, LA
Built 1957 Load: 12.3 t ADT: 1,749
Hunt Rd
PoorOver: DRAINAGE BAYOU
0.4 Mi N of Milldale Rd, East Baton Rouge, LA
Built 1965 Load: 12.3 t ADT: 220
LA0182
PoorOver: SANDAGER CANAL
2.5 MI SE OF LA 320, Iberia, LA
Built 1930 Load: 12.3 t ADT: 6,242
FREELAND RD
PoorOver: DRAIN
0.4 MI S of LA 102, Jefferson Davis, LA
Built 1979 Load: 12.3 t ADT: 30
US0090
PoorOver: CHEF MENTEUR PASS
3.7 MI EAST OF US 11, Orleans, LA
Built 1930 Load: 12.3 t ADT: 1,215
LA0010
PoorOver: BAYOU MORRIS
0.9 M E of LA 417&LA 10, Pointe Coupee, LA
Built 1923 Load: 12.3 t ADT: 15
HALES RD
PoorOver: HURRICANE CREEK
LOGMI 0.54 FR 0DE TO, Richland, LA
Built 1966 Load: 12.3 t ADT: 230
LA0120
PoorOver: BAYOU SCIE RELIEF 3
3.64 MI EAST OF US 171, Sabine, LA
Built 1960 Load: 12.3 t ADT: 235
LA0421
PoorOver: THOM CREEK
0.8 M E of LA 957&LA 421, West Feliciana, LA
Built 1968 Load: 12.3 t ADT: 739
LA0118
PoorOver: CREEK
3.7 MILES WEST OF LA 117, Natchitoches, LA
Built 1976 Load: 12.4 t ADT: 1,471
LA0121
PoorOver: CREEK
0.28 MI. SW. OF LA 461, Rapides, LA
Built 1973 Load: 12.4 t ADT: 1,932
BOUNDARY RD
PoorOver: SIX MILE CREEK
0.75 MILES EAST OF LA 399, Vernon, LA
Built 1950 Load: 12.4 t ADT: 240
H H Wilson Rd
PoorOver: DRAINAGE BAYOU
1.2 M NW OF PORT VINCENT, Ascension, LA
Built 1989 Load: 12.5 t ADT: 10
Piney Woods Rd
PoorOver: SIX MILE CREEK
4.7 MI W OF LA 9, Bienville, LA
Built 1977 Load: 12.5 t ADT: 30
LA0038
PoorOver: PETERS CREEK
1.0 M E OF LA 441, St. Helena, LA
Built 1952 Load: 12.5 t ADT: 1,535
McLIN Rd
PoorOver: DUTCHMAN CREEK
1.4MI FROM LA 449, St. Helena, LA
Built 1964 Load: 12.5 t ADT: 70
Jarrell town Rd
PoorOver: MUSTER GROUND CREEK
1.6 MI. S. OF HWY. 4, Washington, LA
Built 1960 Load: 12.5 t ADT: 473
LA0173
PoorOver: MAHLIN BAYOU
.48 MI EAST OF LA 1, Caddo, LA
Built 1965 Load: 12.6 t ADT: 713
E Flanacher Rd
PoorOver: DRAINAGE BAYOU
3.7 MI.NW.LA64,LA19, East Baton Rouge, LA
Built 1968 Load: 12.6 t ADT: 933
Brian Rd
PoorOver: DRAINAGE BAYOU
3.3 MI N JCT LA.64 L, East Baton Rouge, LA
Built 1965 Load: 12.6 t ADT: 86
Big Creek Rd
PoorOver: BIG CREEK
LOGMI 1.50 FR 325 TO, Franklin, LA
Built 1976 Load: 12.6 t ADT: 77
ARDOIN COVE ROAD
PoorOver: CREEK
1.2 MI E of LA 101, Jefferson Davis, LA
Built 1968 Load: 12.6 t ADT: 70
SOUTH ST.
PoorOver: WELCH DRAINAGE CANAL
0.35 M EAST OF LA 99, Jefferson Davis, LA
Built 1983 Load: 12.6 t ADT: 500
Showing 11,651-11,700 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.