Total Bridges
12,699
Public highway bridges in Louisiana
State profile · Above national median SD
Louisiana bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Louisiana — drawn straight from the FHWA National Bridge Inventory.
- 12,699
- Public bridges
- 36.2%
- Good condition
- 11.0%
- Poor condition
- 11.0%
- Structurally deficient
Good Condition
36.2%
4,603 bridges rated 7-9
-13.8pp vs 50% benchmark
Poor Condition
11.0%
1,397 bridges rated 0-4
Structurally Deficient
11.0%
1,397 bridges flagged for repair priority
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 — Structurally deficient share 36.7%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — Louisiana (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Louisiana on the same metric.
42
Pennsylvania
10.50% top marginal rate
38
North Dakota
10.84% top marginal rate
22
Louisiana
11.00% top marginal rate
72
Puerto Rico
11.98% top marginal rate
23
Maine
13.23% top marginal rate
Bridges Needing Most Attention in Louisiana
Six lowest-condition bridges in Louisiana, ranked by composite NBI rating. Each is inspected at least every 24 months.
Layton Coco Xing
Structurally DeficientOver: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Built 1986 Load: 0.9 t ADT: 40
LA1077
Structurally DeficientOver: BLACK BAYOU
1.1 M S OF LA 22, St. Tammany, LA
Built 1965 Load: 0.9 t ADT: 1,019
LA0308
Structurally DeficientOver: 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
Structurally DeficientOver: 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
OWENS RD
FairOver: CURRY CREEK
0.2 MI S of US 80 W, Ouachita, LA
Built 1994 Load: 63.2 t ADT: 408
LEBOUEF LN
FairOver: BAYOU POINTE AU CHENE
2.65 MI FROM LA 55, Lafourche, LA
Built 1987 Load: 63.5 t ADT: 66
Barron Chapel Rd
FairOver: HAINES CREEK
0.38 M. N. OF PHILADELPHI, Rapides, LA
Built 1985 Load: 63.5 t ADT: 425
I0010
FairOver: CANAL NO. 3
6.7 MI EAST OF LA 49, Jefferson, LA
Built 1966 Load: 64.4 t ADT: 15,876
GRAFTON CROSSING
FairOver: DRY CREEK
1.0 MI E of US 167, Union, LA
Built 1992 Load: 65.1 t ADT: 75
US0084
FairOver: UNNAMED CREEK
8.53 MI EAST OF SALINE BA, Winn, LA
Built 1997 Load: 65.4 t ADT: 2,963
Southridge Drive
FairOver: COOLEY CREEK
0.3 MILES SOUTH OF US 79, Webster, LA
Built 1980 Load: 67.1 t ADT: 92
WRENWOOD DRIVE
FairOver: TRIBUTARY TO BRUSHY BAYO
0.37 MI SO OF LA 526, Caddo, LA
Built 1985 Load: 68.0 t ADT: 90
ROAD QUARY RD
FairOver: STAGESTAND CR
FORT POLK, Vernon, LA
Built 2005 Load: 68.7 t ADT: 40
WEST PORT UNION RD
FairOver: TUCKER CREEK
0.8 MI E of LA 826, Union, LA
Built 2003 Load: 69.3 t ADT: 132
LA0016
FairOver: CURTIS CREEK
0.34 WEST OF LA 449 INTER, St. Helena, LA
Built 1997 Load: 71.0 t ADT: 4,844
LA0399
FairOver: BR. OF WHISKEY CHITTO CR
3.1 MI. SOUTH OF LA 10, Vernon, LA
Built 2001 Load: 71.9 t ADT: 938
EMILY ST
FairOver: BAYOU POINT AU CHENE
2.55 MI FROM LA 55, Lafourche, LA
Built 1987 Load: 73.2 t ADT: 92
LA0109
FairOver: DRAIN
5.9 MI N OF LA 12, Beauregard, LA
Built 1961 Load: 73.5 t ADT: 1,749
LA0867
FairOver: BULLS BAYOU
LA0867, Franklin, LA
Built 1965 Load: 74.2 t ADT: 129
Eight Mile Loop
FairOver: YOUNGS BAYOU
0.85 M. W. OF LA 504, Natchitoches, LA
Built 1980 Load: 74.2 t ADT: 22
Carroll Creek Rd
FairOver: Forked Pine Branch
1.4 MI. SOUTH OF LA 786, Red River, LA
Built 1985 Load: 74.2 t ADT: 141
LA1072
FairOver: DRAIN
2.12M EAST LA 16, Washington, LA
Built 1992 Load: 74.2 t ADT: 1,105
LA0178
FairOver: DRAINAGE CANAL
0.4 MI NE of LA 95, Acadia, LA
Built 1978 Load: 74.5 t ADT: 3,177
LA0368
FairOver: GRAND COULEE DTCH
0.6 MI E of LA 370, Acadia, LA
Built 1962 Load: 74.5 t ADT: 105
LA0370
FairOver: BAYOU MALLET
1.84M EAST OF LA 13, Acadia, LA
Built 1993 Load: 74.5 t ADT: 1,145
LA0098
FairOver: CREEK
1 MI S of LA 1101, Acadia, LA
Built 1962 Load: 74.5 t ADT: 3,050
LA1100
FairOver: DITCH
0.8 MI S of LA 365, Acadia, LA
Built 1963 Load: 74.5 t ADT: 198
LA0095
FairOver: CREEK
0.4 MI E of LA 1100, Acadia, LA
Built 1963 Load: 74.5 t ADT: 5,166
LA0091
FairOver: CREEK
0.4 MI S of I-10, Acadia, LA
Built 1964 Load: 74.5 t ADT: 1,617
Puma Rd.
FairOver: Coulee
0.1 MI S of LA 1119, Acadia, LA
Built 1984 Load: 74.5 t ADT: 96
Standard Mill Rd
FairOver: COULEE
0.5 Mi W. of La 35, Acadia, LA
Built 1986 Load: 74.5 t ADT: 2,400
Goodrich Rd.
FairOver: DE SAULE COULEE
0.85 Mi E of La 3070, Acadia, LA
Built 1986 Load: 74.5 t ADT: 192
Heinen Rd.
FairOver: PRATHER GULLY
0.4 Mi. North of La 367, Acadia, LA
Built 1992 Load: 74.5 t ADT: 96
LA0377
FairOver: CARTER CREEK
1.1 MI N. OF LA 112, Allen, LA
Built 1997 Load: 74.5 t ADT: 238
LA0377
FairOver: CREEK
1.90 MI. N. OF LA 112, Allen, LA
Built 1997 Load: 74.5 t ADT: 275
Deshotel Ln
FairOver: DRAINAGE CANAL
0.2 MILES SOUTH OF LA 114, Avoyelles, LA
Built 2015 Load: 74.5 t ADT: 80
US0190
FairOver: PALMETTO CREEK
2.5 MI E of LA 3226, Beauregard, LA
Built 2012 Load: 74.5 t ADT: 18,056
LA0112
FairOver: DRAIN
1.3 MI E OF LA 113, Beauregard, LA
Built 1962 Load: 74.5 t ADT: 1,202
LA0154
FairOver: CANAL
9.00 MI EAST OF US 71, Bienville, LA
Built 2003 Load: 74.5 t ADT: 1,559
Viking Dr
FairOver: TRIB. TO MACKS BAYOU
1.7 MILES EAST OF LA 3, Bossier, LA
Built 2009 Load: 74.5 t ADT: 200
LA0614
FairOver: CREEK
.16 M. S. OF US 80, Bossier, LA
Built 1998 Load: 74.5 t ADT: 3,476
Coy Rd
FairOver: FLAT RIVER
2.8 M W PARISH RD 27, Bossier, LA
Built 1989 Load: 74.5 t ADT: 613
Linton-Bellevue Rd
FairOver: Dry Cypress Bayou
2 MILES S. OF LA 162, Bossier, LA
Built 2005 Load: 74.5 t ADT: 400
Leila Rd
FairOver: Boggs Creek
2 MI. E. OF LA 3, Bossier, LA
Built 2006 Load: 74.5 t ADT: 125
Stillhouse Rd
FairOver: Stillhouse Bayou
3.0 MI N. OF LA 537, Bossier, LA
Built 2005 Load: 74.5 t ADT: 250
Rodessa St Line Rd
FairOver: DRAIN
0.68 MI EAST OF TEXAS STA, Caddo, LA
Built 1982 Load: 74.5 t ADT: 30
I0049
FairOver: MCCAIN CREEK TRIB.
0.27 MI. N OF LA 3194, Caddo, LA
Built 2016 Load: 74.5 t ADT: 59,221
LA0001
FairOver: DRAIN
1.50M NW LA1/US71 INTR, Caddo, LA
Built 1993 Load: 74.5 t ADT: 25,434
LA0001
FairOver: MCAIN CREEK TRIB
2.09M NW LA1/US71 INTR, Caddo, LA
Built 1993 Load: 74.5 t ADT: 25,434
LA0001
FairOver: MCAIN CREEK TRIB
2.59M NW LA1/US71 INTR, Caddo, LA
Built 1993 Load: 74.5 t ADT: 21,933
LA0001
FairOver: MCCAIN CREEK TRIBUTARY
2.85M NW LA1/US71 INTR, Caddo, LA
Built 1993 Load: 74.5 t ADT: 21,933
LA0001
FairOver: DRAIN
3.19M NW LA1/US71 INTR, Caddo, LA
Built 1993 Load: 74.5 t ADT: 21,933
LA0538
FairOver: CREEK
5.64 MI N OF LA 173, Caddo, LA
Built 1998 Load: 74.5 t ADT: 662
Johns Gin Rd
FairOver: JOHNS GIN RD,TRBY MILL C
4 MI SO OF SPRINGRDG, Caddo, LA
Built 1982 Load: 74.5 t ADT: 27
Showing 6,501-6,550 of 12,699 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |