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
HOLLY SPRINGS ROAD
GoodOver: BIRDS CREEK
VE 926 368, Vernon, LA
Built 2008 Load: 97.2 t ADT: 120
ARTILLERY ROAD
GoodOver: WHISKEY CHITTO CREEK
VE 867 417, Vernon, LA
Built 2008 Load: 97.2 t ADT: 1,200
CARPENTERS BRDG RD
PoorOver: WHISKEY CHITTO CREEK
7.6 MI S of LA 26, Allen, LA
Built 1965 ADT: 100
Bayou Boeuf Rd
PoorOver: DRAINAGE CANAL
0.5 Mi. N. of US 90, Assumption, LA
Built 1950 ADT: 4
Chuck Davis Rd
PoorOver: BOGGY BAYOU CANAL
3.0M EAST LA 1190/LA 452, Avoyelles, LA
Built 1970 ADT: 40
DRU RD
PoorOver: COLE CREEK
0.2 MI N OF SUSIE ALSTON, Beauregard, LA
Built 2003 ADT: 2
Jot Em Down Rd
PoorOver: TRIBUTARY TO SALING BAYO
1.8 MI. NO. OF LA 50, Bienville, LA
Built 1952 ADT: 85
Calhoun Rd
PoorOver: TRIBUTARY TO BEAR CREEK
0.2 MI E OF LA 9, Bienville, LA
Built 1978 ADT: 40
Saline Ridge Rd
PoorOver: TRIBUTARY TO SALINE BAYO
1.0 MI. S.E. OF U.S., Bienville, LA
Built 1980 ADT: 130
Grover Jones Rd
PoorOver: WILLIAMS CREEK
3.6 MI. S.E. OF U.S., Bienville, LA
Built 1977 ADT: 150
Grover Jones Rd
PoorOver: TRIB. TO BLACKLAKE CREEK
1.0 MI. S.E. OF U.S., Bienville, LA
Built 1972 ADT: 170
Smith Rd
PoorOver: Red Chute Bayou
1.6 MI E. OF US 71, Bossier, LA
Built 1984 ADT: 250
Leila Rd
PoorOver: Boggs Creek Trib
3 MI E OF HWY 3, Bossier, LA
Built 1979 ADT: 60
LA0012
PoorOver: MUD LAKE
2.4 MI W of LA 109, Calcasieu, LA
Built 1952 ADT: 3,365
I0010
PoorOver: SABINE RELIEF
2.1 MI WEST OF LA 109, Calcasieu, LA
Built 1954 ADT: 86,969
PACKING HOUSE RD
PoorOver: KINNER GULLY
0.5 MI N of US 90, Calcasieu, LA
Built 1995 ADT: 653
LA0506
PoorOver: DRAIN
6.7 MI WEST OF US 165, Caldwell, LA
Built 1931 ADT: 306
LA0009
PoorOver: CREEK
9.96 MI NORTH OF LA 2, Claiborne, LA
Built 1949 ADT: 1,635
LA0009
PoorOver: CREEK
10.09 MI NORTH OF LA 2, Claiborne, LA
Built 1949 ADT: 1,635
LA0009
PoorOver: MIDDLEFORK BAYOU DARBONN
10.29 MI NORTH OF LA 2, Claiborne, LA
Built 1949 ADT: 1,635
LA0534-S
PoorOver: CANEY CREEK
.7 MI NORTH OF LA 2, Claiborne, LA
Built 1976 ADT: 118
Hinds Rd
PoorOver: WALLACE BAYOU
2.3 MI. E. OF LA. 17, De Soto, LA
Built 1966 ADT: 55
LA0409
PoorOver: LITTLE SANDY CREEK
1.6 Mi N of LA 64, East Baton Rouge, LA
Built 1955 ADT: 3,092
LA0410
PoorOver: BLACKWATER BAYOU
1.6 M N of LA 408&LA 410, East Baton Rouge, LA
Built 1957 ADT: 3,664
LA0580
PoorOver: JONES BAYOU
4.6 MI EAST OF LA 877, East Carroll, LA
Built 1958 ADT: 212
BULLRUN RD
PoorOver: BRIDGE CREEK
.6 MILES SOUTH LA 88, East Carroll, LA
Built 1975 ADT: 190
SCHROCK RD
PoorOver: BUSHY BAYOU
1.8 M. E OF BAYOU MA, East Carroll, LA
Built 1960 ADT: 130
LENSING LANE
PoorOver: BAYOU PROVIDENCE
.2 MI. SO. INT. 043, East Carroll, LA
Built 1960
Midway Rd
PoorOver: BLACK CREEK
0.4 M E of LA 955, East Feliciana, LA
Built 1965 ADT: 130
Singletary St
PoorOver: REDWOOD CREEK
270 Ft W of LA 19, East Feliciana, LA
Built 1999 ADT: 118
Bennett Rd
PoorOver: HURRICANE CREEK
3.9 M W of LA 19, East Feliciana, LA
Built 1999 ADT: 12
Par Rd 4-106
PoorOver: UNNAMED CREEK
0.80 MI E OF LA19, East Feliciana, LA
Built 1989 ADT: 40
Beiber Rd
PoorOver: NEZPIQUE BAYOU
3.65 Mi W of La 1160, Evangeline, LA
Built 1965 ADT: 70
LA0075
PoorOver: BAYOU BREAUX
1.1 Mi N of La 141, Iberville, LA
Built 1973 ADT: 2,943
Avenue E
PoorOver: DRESSER CANAL
0.10 MI WEST OF LA 1, Lafourche, LA
Built 1952
VALENTINE BRIDGE R
PoorOver: LAFOURCHE BAYOU
0.01 MI N OF LA 1, Lafourche, LA
Built 1969
MONDY RD
PoorOver: MADDEN CREEK
3 MI S SIMMSBORO, Lincoln, LA
Built 1977 ADT: 155
MITCHELL RD
PoorOver: LITTLE CREEK
3 MI N SIMSBORO, Lincoln, LA
Built 1978 ADT: 77
Lod Stafford Rd
PoorOver: COLYELL CREEK
3.06 MI EAST OF 1024, Livingston, LA
Built 1986 ADT: 300
W BEAR LAKE RD
PoorOver: TENSAS RIVER
9 MI W TALLA BENA, Madison, LA
Built 1950 ADT: 187
LAKE IRWIN RD
PoorOver: IRWIN LAKE
3.2 MI. NE INT. 505, Morehouse, LA
Built 1978 ADT: 150
EVERGLADES RD
PoorOver: DRAIN TO LITTLE BYU BOEU
.6 MI. E. HWY. 139, Morehouse, LA
Built 1972 ADT: 150
JOHN CRYMES RD
PoorOver: PATTEN SLOUGH
1.3 MI EAST INT. 474, Morehouse, LA
Built 1985 ADT: 80
OLEN HUGHES
PoorOver: BAYOU BONNEIDEE
0.8 MI SE of US 165, Morehouse, LA
Built 1991 ADT: 20
DUMMIE LINE RD
PoorOver: SHACKLEFORD BAYOU
4.7 MI. E. INT. 192, Morehouse, LA
Built 1960 ADT: 60
Almonaster Ave
PoorOver: INNER HARBOR NAVIGATION
0.01 MI E OF FRANCE RD, Orleans, LA
Built 1919
PINE BLUFF RD
PoorOver: DRAIN TO CYPRESS CREEK
2.4 MI. S. HWY. 557, Ouachita, LA
Built 1978 ADT: 360
HARMON JOHNSON RD
PoorOver: DRAIN TO PRAIRIE BAYOU
2.2 MI. E. U.S. HWY., Ouachita, LA
Built 1968 ADT: 570
SHORT WASHNGTON ST
PoorOver: E. PRONG YOUNGS BAYOU
SHORT WASHINGTON ST., Ouachita, LA
Built 1972 ADT: 200
FLYNN ST
PoorOver: ROOTS CANAL
FLYNN ST. IN MONROE, Ouachita, LA
Built 1985 ADT: 250
Showing 11,301-11,350 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.