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
KIROLI RD
PoorOver: N TUPAWEK CREEK
2.0 MILES NW W.MONROE, Ouachita, LA
Built 1980 ADT: 300
LA0413
PoorOver: BAYOU DISCHARGE
2.1 Mi W of La 413, Pointe Coupee, LA
Built 1968 ADT: 5,896
LA0155
PoorOver: CONEY BAYOU
2.30 MI EAST OF US 71, Red River, LA
Built 1972 ADT: 1,130
LA0155
PoorOver: GRAND BAYOU
2.40 MI EAST OF US 71, Red River, LA
Built 1972 ADT: 1,130
Minden Rd
PoorOver: PH RD 230,STANLEY CR.
0.7 MI. EAST OF LA 5, Red River, LA
Built 1975 ADT: 72
LA0132
PoorOver: BOEUF RIVER
.07 MI NORTH OF US 561, Richland, LA
Built 1966 ADT: 1,913
JONES LANE
PoorOver: CREEK
LOGMI 0.30 FR 4 TO 8, Richland, LA
Built 1969 ADT: 40
BEE BAYOU RD
PoorOver: CREEK
LOGMI 2.40 FR 212 TO, Richland, LA
Built 1965 ADT: 210
COOK RD
PoorOver: ASH SLOUGH
LOGMI 2.70 FR 271 TO, Richland, LA
Built 1984 ADT: 70
MCMANUS RD
PoorOver: CYPRESS CREEK
LOGMI 5.43 FR 432 TO, Richland, LA
Built 1966 ADT: 150
DAIRY RD
PoorOver: CREEK
LOGMI 0.70 FR 172 TO, Richland, LA
Built 1965 ADT: 60
COMEAUX RD
PoorOver: CREEK
LOGMI 3.41 FR 487 TO, Richland, LA
Built 1960 ADT: 30
ADCOX RD
PoorOver: CREEK
LOGMI 0.96 FR 452 TO, Richland, LA
Built 1970 ADT: 40
JAGGERS LANE
PoorOver: BOGGY BAYOU
LOGMI 4.61 FR 455 TO, Richland, LA
Built 1955 ADT: 30
FORTENBERRY RD
PoorOver: BOGGY BAYOU
LOGMI 2.96 FR 443 TO, Richland, LA
Built 1960 ADT: 22
MIDWAY CHURCH RD
PoorOver: CREEK
LOGMI 1.44 FR 391 TO, Richland, LA
Built 1960 ADT: 90
LA0020
PoorOver: BAYOU CHEVREVIL
1.2 Mi N of LA 307, St. James, LA
Built 1959 ADT: 8,204
Conway Bayou
PoorOver: BARROW PIT
26 Ft E of US 61, St. James, LA
Built 1968 ADT: 163
Bellard Loop
PoorOver: Drainage Ditch
0.4 Mi. E. of La 35, St. Landry, LA
Built 1955 ADT: 100
Ducharme Rd.
PoorOver: DRAINAGE BAYOU
0.31 Mi SW of I-49, St. Landry, LA
Built 1974 ADT: 2,000
LA0016
PoorOver: DRAIN
2.5 M W OF LA 21, St. Tammany, LA
Built 1968 ADT: 1,388
Hosmer Mill Rd
PoorOver: BR. OV BOGUE FALAYA RIVE
2 MI NE OF LA 437, St. Tammany, LA
Built 1980 ADT: 839
Million Dollar Rd
PoorOver: BOGUE FALAYA RIVER
0.10 MI EAST OF LA 25, St. Tammany, LA
Built 1960 ADT: 1,768
LA0151
PoorOver: CREEK
0.1 MI WEST OF LA 33, Union, LA
Built 1961 ADT: 527
LINVILLE FIRE TWR
PoorOver: BAYOU DE LOUTRE
2.8 MI. NE INT. 470, Union, LA
Built 1975 ADT: 290
EUBANKS RD
PoorOver: PRAIRIE CREEK
0.8 Mi W. of LA 111, Vernon, LA
Built 1970 ADT: 50
Jones Connell Rd
PoorOver: CREEK
3.8M NW OF LA 10 JCT 421, West Feliciana, LA
Built 1991 ADT: 30
Plettenberg Rd.
PoorOver: POLLY CREEK
4.8 MI SW JCT LA 66 LA968, West Feliciana, LA
Built 1986 ADT: 110
Highland Rd
PoorOver: MADDEN CREEK
2.7 MI W of LA 66, West Feliciana, LA
Built 1970 ADT: 210
Sligo Rd
PoorOver: WALTER CREEK
3.9 M E OF LA 66, West Feliciana, LA
Built 1967 ADT: 100
Sligo Rd
PoorOver: BIG BAYOU SARA
4.2 MI.SW.US61,STATE, West Feliciana, LA
Built 1960 ADT: 80
Sligo Rd
PoorOver: GALES CREEK
3.2 MI.SW.US61,STATE, West Feliciana, LA
Built 1975 ADT: 130
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
Central St
PoorOver: HURRICANE CREEK
0.5 MI S OF US 165, Caldwell, LA
Built 1960 Load: 2.3 t
LA0010-S
PoorOver: ST JOSEPH BRANCH
1 mile east of LA 43, St. Helena, LA
Built 1959 Load: 2.3 t ADT: 225
GEORGE WAGONNER RD
PoorOver: MOODY CREEK
5 MI W LUNA, Ouachita, LA
Built 1960 Load: 2.7 t ADT: 15
LA0300
PoorOver: BAYOU LALOUTRE
8.70 MI FROM PARISH LINE, St. Bernard, LA
Built 1967 Load: 3.2 t ADT: 891
ARKADELPHIA RD
PoorOver: SIX MILE CREEK RELIEF
3.97 MI. N. OF LA 377, Allen, LA
Built 1977 Load: 3.4 t ADT: 260
LA0134
PoorOver: JOES BAYOU
2.8 MI NE OF LA 577, East Carroll, LA
Built 1967 Load: 3.4 t ADT: 759
LA0063
PoorOver: MCQUINNEY BAYOU
1.7 miles N of La 959, East Feliciana, LA
Built 1957 Load: 3.4 t ADT: 1,584
Cutt's Rd
PoorOver: HEMPHILL CREEK
1.25 MI. NW OF LA 121, Rapides, LA
Built 1983 Load: 3.4 t ADT: 275
Mitch Rd
PoorOver: PETERS CREEK
1.1 MI. W OF HWY. 21, Washington, LA
Built 1970 Load: 3.4 t ADT: 1,420
MINERAL SPRINGS RD
PoorOver: CLARK CREEK
3 MI N CADEVILLE, Ouachita, LA
Built 1960 Load: 3.6 t ADT: 271
Aristide Rd
PoorOver: COULEE
0.20 Mi W of LA 331, Vermilion, LA
Built 1978 Load: 3.6 t ADT: 300
Point ala Hache Fe
PoorOver: MISS. RIVER FERRY RAMP
0.15 EAST OF LA 23, Plaquemines, LA
Built 1960 Load: 4.2 t ADT: 50
Showing 11,351-11,400 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.