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
COTTONGIN CASTOR
PoorOver: CASTOR CREEK
3.6 MI NE OF LA 26, Allen, LA
Built 1982 Load: 29.5 t ADT: 131
US0090
PoorOver: NEW IBERIA SOUTHERN CANA
1.3 MI E of LA 329, Iberia, LA
Built 1999 Load: 29.5 t ADT: 3,244
WALL BLVD
PoorOver: BAYOU FATMA
.80 MI.S. OF LAPALCO BLVD, Jefferson, LA
Built 1980 Load: 29.5 t ADT: 8,000
Joe Brown Memorial
PoorOver: LAGOON
0.2 MI. E. OF READ B, Orleans, LA
Built 1975 Load: 29.5 t
LA3094
PoorOver: TWELVE MILE BAYOU
.9 MI NORTH OF LA 173, Caddo, LA
Built 1968 Load: 29.8 t ADT: 14,003
US0165
PoorOver: LITTLE RIVER
2.9 MI SOUTH OF US 84, LaSalle, LA
Built 1956 Load: 29.9 t ADT: 4,700
US0084
PoorOver: CANEY BAYOU
1.4 MI EAST OF LA 566, Concordia, LA
Built 1932 Load: 30.1 t ADT: 6,163
NELSON ROAD
PoorOver: CANAL
0.3 MI N of LA 1126, Jefferson Davis, LA
Built 1973 Load: 30.1 t ADT: 50
I0020
PoorOver: M.P. RR
.6 MI EAST OF US80, Caddo, LA
Built 1965 Load: 30.5 t ADT: 98,318
LA0524
PoorOver: ELEM BRANCH
.93 MI WEST OF US 165, Grant, LA
Built 1931 Load: 30.5 t ADT: 14
FDR 337
PoorOver: MIDDLE CREEK
NATIONAL FOREST ROAD, Natchitoches, LA
Built 1970 Load: 30.5 t ADT: 30
I0010
PoorOver: SERVICE RD & UPT R/R
3.13 MI EAST OF I-610, Orleans, LA
Built 1960 Load: 30.8 t ADT: 154,311
US0190
PoorOver: LITTLE TECHE BAYOU
0.07 Mi W of LA 743, St. Landry, LA
Built 1962 Load: 30.8 t ADT: 10,487
I0020
PoorOver: CREEK
2.43 MI EAST OF LA 147, Lincoln, LA
Built 1963 Load: 31.1 t ADT: 50,895
Holiday Dr
PoorOver: HOLIDAY DR(SB)OVER ALGIE
0.01 MI.W.OF DEGAULLE, Orleans, LA
Built 1958 Load: 31.1 t
FDR 900
PoorOver: BARBER CREEK
0.39 MI. W. OF LA. 9, Claiborne, LA
Built 1976 Load: 31.4 t ADT: 50
US0061
PoorOver: BATON ROUGE BAYOU
4.0 MI S OF LA 64, East Baton Rouge, LA
Built 1961 Load: 31.4 t ADT: 9,721
LA0042
PoorOver: AMITE RIVER @ P'VINCENT
0.1 M S OF LA 16, Livingston, LA
Built 1963 Load: 31.8 t ADT: 13,122
Bob Davis Rd
PoorOver: GREER CREEK
1.3 MI. W. OF LA 9, Claiborne, LA
Built 2013 Load: 32.1 t ADT: 25
East 6th St
PoorOver: DRAIN CANAL
0.1 MI. S. OF LA 406, Orleans, LA
Built 1960 Load: 32.1 t
US0084
PoorOver: BAYOU PIERRE
2.44 MI WEST OF LA 1, Red River, LA
Built 1955 Load: 32.1 t ADT: 2,013
LA0473
PoorOver: BAYOU TORO
1.6 MI EAST OF LA 191, Sabine, LA
Built 1986 Load: 32.1 t ADT: 738
BERNARD FONTENOT
PoorOver: MUD CREEK
0.8 MI E of LA 113, Allen, LA
Built 1990 Load: 32.4 t ADT: 58
Doughty Rd
PoorOver: HAHA BAYOU
3.2 M NW of LA 922, Catahoula, LA
Built 1987 Load: 32.4 t ADT: 90
LA0524
PoorOver: JESSE BRANCH
1.1 MI WEST OF US 165, Grant, LA
Built 1931 Load: 32.4 t ADT: 14
Courtney Rd
PoorOver: DRY CREEK
0.4 MI. EAST OF LA 783, Red River, LA
Built 1986 Load: 32.4 t ADT: 46
LA0015
PoorOver: CREEK
.8 MI NORTH OF LA 549, Union, LA
Built 1953 Load: 32.4 t ADT: 5,557
LINVILLE FIRE TWR
PoorOver: ROCK CREEK
6.7 MI. ENE INT. 470, Union, LA
Built 1982 Load: 32.4 t ADT: 457
I0020
PoorOver: LK SHORE DR&KCSRR
.5 MI EAST OF US 80, Caddo, LA
Built 1965 Load: 32.7 t ADT: 98,318
LA0108
PoorOver: BAYOU D'INDE
1.0 M S of I-10, Calcasieu, LA
Built 1945 Load: 32.7 t ADT: 10,981
DRAKE AVE
PoorOver: BAYOU SEGNETTE
0.5 M NORTH OF LAPALCO, Jefferson, LA
Built 1960 Load: 32.7 t ADT: 200
AIRFIELD ROAD
PoorOver: BUNDICK CREEK
VE 821 349, Vernon, LA
Built 1979 Load: 32.7 t ADT: 2
Lee Price Rd
PoorOver: WHITTEN CREEK
3.4 M. E. PRIDE LOOKOUT, East Baton Rouge, LA
Built 1980 Load: 32.9 t ADT: 89
LA0046
PoorOver: SISTER STREET
2.34 MI SOUTH OF LA 39, Orleans, LA
Built 1960 Load: 33.4 t ADT: 23,049
Charlie Overton Rd
PoorOver: CHOCTAW CREEK
3.8MI.E OF 349, St. Helena, LA
Built 1966 Load: 33.4 t
LA0550
PoorOver: VILLAGE CREEK
4.1 MI NORTH OF LA 2, Union, LA
Built 1982 Load: 33.4 t ADT: 464
I0020
PoorOver: MARSHALL ST&LA&KCI-20
I-20 RAMP TO LA 1, Caddo, LA
Built 1965 Load: 33.6 t ADT: 87,567
LA0027
PoorOver: CHOUPIQUE BAYOU
3.4 MI SOUTH OF LA 1133, Calcasieu, LA
Built 1979 Load: 33.6 t ADT: 6,981
Fir Ave.
PoorOver: Blanc Bayou
0.8 Mi. W. of LA 13, Acadia, LA
Built 1967 Load: 33.7 t ADT: 2,592
Devall Rd
PoorOver: DRAINAGE BAYOU
1.4 M E OF LA 44, Ascension, LA
Built 1970 Load: 33.7 t ADT: 200
LA0046
PoorOver: NO PUBLIC BELT R/R
2.21 MI SOUTH OF LA 39, Orleans, LA
Built 1960 Load: 34.0 t ADT: 23,049
AVERY RD
PoorOver: BRANCH OF CYPRESS CREEK
3 MI SW LUNA, Ouachita, LA
Built 1965 Load: 34.0 t ADT: 32
LA0511
PoorOver: RED R.,C.FANT PKWY,AR TE
1.0 MI WEST OF US 71, Bossier, LA
Built 1968 Load: 34.3 t ADT: 28,999
LA0001
PoorOver: CANE RIVER
.8 MI. N OF S INT LA490, Natchitoches, LA
Built 1963 Load: 34.5 t ADT: 748
HOPEWELL CROSSING
PoorOver: BUNDICK CREEK
1.8 MI N of LA 394, Beauregard, LA
Built 1984 Load: 34.7 t ADT: 825
US0011
PoorOver: IRISH BAYOU
4.83 MI NORTH OF US 90, Orleans, LA
Built 1978 Load: 35.0 t ADT: 3,912
LA0015
PoorOver: BAYOU LAFOUCHE
5.4 MI EAST OF LA 841, Ouachita, LA
Built 1953 Load: 35.3 t ADT: 2,382
LA0159
PoorOver: KCS RR MINDEN
3.6 MI N OF LA164, Webster, LA
Built 1960 Load: 35.3 t ADT: 9,864
LA0004
PoorOver: GRAND BAYOU
1.0 MI NORTH OF LA 790, Bienville, LA
Built 1977 Load: 35.4 t ADT: 1,013
LA0015
PoorOver: TENSAS RIVER @ CLAYTON
.01 MI WEST OF LA 566, Catahoula, LA
Built 1971 Load: 35.4 t ADT: 4,592
Showing 12,551-12,600 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.