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
E WOODLAWN RANCH R
PoorOver: GRAND CAILLOU BAYOU
0.2 MI E OF LA 57, Terrebonne, LA
Built 1980 Load: 16.5 t ADT: 4,278
Savanne Rd
PoorOver: HANSON CANAL
00.82 N. of LA 182, Terrebonne, LA
Built 1967 Load: 16.5 t ADT: 2,200
Joe Sevario Rd
PoorOver: Sides Bayou
0.8 Mi S. of LA 933, Ascension, LA
Built 1969 Load: 16.8 t ADT: 700
US0080
PoorOver: CROWS CREEK
1.98 MI NORTH OF I-20, Bienville, LA
Built 1954 Load: 16.8 t ADT: 780
LA0009
PoorOver: BLOOMS MILL CREEK
4.3 MI NORTH OF NORTH INT, Bienville, LA
Built 1971 Load: 16.8 t ADT: 771
US0071
PoorOver: ICG RR
.5 MI NORTH OF I-20, Caddo, LA
Built 1937 Load: 16.8 t ADT: 5,484
LOUISIANA AVE
PoorOver: CONTRABAND BAYOU
0.3 MI. N. OF LA 3186, Calcasieu, LA
Built 1957 Load: 16.8 t ADT: 8,942
Cedarcrest Ave
PoorOver: WEINER CREEK
1 MI S OF LA 426, East Baton Rouge, LA
Built 1965 Load: 16.8 t ADT: 12,417
Troy St
PoorOver: DRAIN BAYOU
TROY STREET, East Baton Rouge, LA
Built 1975 Load: 16.8 t ADT: 600
Carney Rd
PoorOver: BAYOU BATON ROUGE
0.2 M W OF LA 964, East Baton Rouge, LA
Built 1965 Load: 16.8 t ADT: 180
Sanchez Rd
PoorOver: GRAND BAYOU
0065 LOG MI FROM INT, Lafourche, LA
Built 1955 Load: 16.8 t ADT: 901
US0071
PoorOver: SALINE BAYOU
.7 MI. N OF INT LA477, Natchitoches, LA
Built 1956 Load: 16.8 t ADT: 1,691
GRAVOLET RD
PoorOver: DRAINAGE CANAL
0.01 MI. W. OF HWY. 39, Plaquemines, LA
Built 1968 Load: 16.8 t ADT: 150
LA0970
PoorOver: CREEK
1.40 M E of LA 417, Pointe Coupee, LA
Built 1971 Load: 16.8 t ADT: 84
LA0331
PoorOver: BAYOU TIGRE
0.55 MI S. OF LA 14, Vermilion, LA
Built 1977 Load: 16.8 t ADT: 1,518
US0371
PoorOver: BRUSHY CREEK
2.8 Mi. North of LA 531, Webster, LA
Built 1950 Load: 16.8 t ADT: 6,469
LA0127
PoorOver: FLAT CREEK RELIEF
4.18 MI. NW CALDWELL LINE, Winn, LA
Built 1980 Load: 16.8 t ADT: 291
L Williams Rd
PoorOver: UNAMED CREEK
0.7 M N of LA 961, East Feliciana, LA
Built 1975 Load: 17.0 t ADT: 304
JOSEPH THOMAS RD
PoorOver: PATRICK CREEK
1 MI S HWY 80, Ouachita, LA
Built 1960 Load: 17.0 t ADT: 104
MLK Jr. Dr.
PoorOver: PONCHATOULA CREEK
1.2 MI NE OF JCT 190&1065, Tangipahoa, LA
Built 1982 Load: 17.0 t ADT: 2,010
Tom Crichton Rd
PoorOver: MILE CREEK
0.3 MI W OF HWY 7, Webster, LA
Built 1976 Load: 17.0 t ADT: 49
Benton Rd
PoorOver: Lyons Point Gully
0.1 Mi. S. of La 92, Acadia, LA
Built 1974 Load: 17.1 t ADT: 96
HerbertJuneau Xing
PoorOver: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Built 1979 Load: 17.1 t ADT: 80
Ridge Rd
PoorOver: CASTOR CREEK
1.8 MI. EAST OF LA 4, Bienville, LA
Built 1976 Load: 17.1 t ADT: 100
Grover Jones Rd
PoorOver: BAKER CREEK
2.7 MI. S.E. OF U.S., Bienville, LA
Built 1977 Load: 17.1 t ADT: 150
Boggy Bayou Rd
PoorOver: CREEK
LOGMI 5.8 MI E Hwy 129, Concordia, LA
Built 1960 Load: 17.1 t
ARDOIN COVE ROAD
PoorOver: CREEK
1.9 M EAST OF INT 262, Jefferson Davis, LA
Built 1990 Load: 17.1 t ADT: 50
Nelson Rd
PoorOver: BRUSHY CREEK
0.13 M. W. OF LA 120, Natchitoches, LA
Built 1978 Load: 17.1 t ADT: 72
LA0594
PoorOver: CANEY CREEK
4.02 MI NORTH OF US 80, Ouachita, LA
Built 1954 Load: 17.1 t ADT: 2,642
BUCKY MURDOCK RD
PoorOver: BAYOU SCIE
0.75 MI. SOUTH OF US 171, Sabine, LA
Built 1965 Load: 17.1 t ADT: 200
LA0038
PoorOver: DRAIN
0.6 M E OF LA 432, St. Helena, LA
Built 1954 Load: 17.1 t ADT: 933
Shingle Mill Rd
PoorOver: ANDERSON CANAL
0.3 N. OF RT. 142 MILLRD, Tangipahoa, LA
Built 1975 Load: 17.1 t ADT: 10
Lanier Ln
PoorOver: CREEK
5 MI NE OF SR 22 EXI, Tangipahoa, LA
Built 1970 Load: 17.1 t ADT: 12
Sibley Rd
PoorOver: MORAN BRANCH
4 MI SW OF 442 EXIT, Tangipahoa, LA
Built 1960 Load: 17.1 t ADT: 204
Stateline Rd
PoorOver: DRAIN
1.1 MI SE US 51 & LA 1054, Tangipahoa, LA
Built 1984 Load: 17.1 t ADT: 128
Pistol Thomas Rd
PoorOver: BLACK BAYOU
0.48 MI. E. OF LA. 159, Webster, LA
Built 1956 Load: 17.1 t ADT: 110
LA0943
PoorOver: BAYOU MCCALL
1.4 M W of LA 1&LA 943, Ascension, LA
Built 1972 Load: 17.2 t ADT: 350
LA0110
PoorOver: CREEK
4.3 MI W of LA 27, Beauregard, LA
Built 1982 Load: 17.2 t ADT: 1,947
US0071
PoorOver: ICG RR
.5 MI NORTH OF I-20, Caddo, LA
Built 1940 Load: 17.2 t ADT: 5,484
SHELL BEACH DR
PoorOver: DRAINAGE CANAL
0.3 MI S of LA 385, Calcasieu, LA
Built 1937 Load: 17.2 t ADT: 8,548
Robinson Rd
PoorOver: FLANAGAN BAYOU
1 MI N. NW. OF PRIDE, LA, East Baton Rouge, LA
Built 1980 Load: 17.2 t ADT: 790
Line Rd
PoorOver: BLACK CREEK
1.6 Mi. S. of LA 10, East Feliciana, LA
Built 1982 Load: 17.2 t ADT: 126
LA0016
PoorOver: CANAL
0.5 M S OF I-12, Livingston, LA
Built 1955 Load: 17.2 t ADT: 10,776
Morrison Rd
PoorOver: SAINT CHARLES CANAL
0.5 M E. OF NEW CASTLE, Orleans, LA
Built 1960 Load: 17.2 t
LA0134
PoorOver: CREEK
2.8 MI EAST OF LA 136, Ouachita, LA
Built 1957 Load: 17.2 t ADT: 3,462
Turkey Cr Cut-off
PoorOver: CLEAR CREEK
3.6 MILES SE OF US 165, Rapides, LA
Built 1980 Load: 17.2 t ADT: 300
MCLEMORE RD
PoorOver: BEE BAYOU
LOGMI 5.05 FR 0DE TO, Richland, LA
Built 1966 Load: 17.2 t ADT: 320
LA0008
PoorOver: FORKER CREEK
0.1 M E OF W JCT. LA 111, Vernon, LA
Built 1950 Load: 17.2 t ADT: 1,229
LA0160
PoorOver: DORCHEAT BAYOU RELIEF
1.22 MI West OF LA 3008, Webster, LA
Built 1977 Load: 17.2 t ADT: 537
Double Church
PoorOver: COULEY CREEK
APP. 2.5 MI. S. OF US 84, Winn, LA
Built 1979 Load: 17.2 t ADT: 39
Showing 12,001-12,050 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.