Total Bridges
12,698
Public highway bridges in Louisiana
State profile · Above median Poor share
Louisiana bridge safety
According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Louisiana.
- 12,698
- Public bridges
- 38.7%
- Good condition
- 11.5%
- Poor condition
Louisiana holds 12,698 public highway bridges (#24 of 52 by inventory) with a 11.48% Poor share (#8 of 52 by Poor share).
That is 11.5% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 45 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.
Inventory: FHWA NBI 2024 · last ETL August 2026
Good Condition
38.7%
4,919 bridges rated 7-9
-11.3pp vs 50% benchmark
Poor Condition
11.5%
1,458 bridges whose lowest applicable component is rated 0-4
4.0pp vs national avg 7.5%
Louisiana vs national bridge condition
Louisiana - Good condition share 38.7%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Louisiana - Poor-condition share 38.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.
Louisiana in the national condition pattern
Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.
Louisiana vs all states by public bridge inventory
Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges
12,698 24th of 54 higher than 30 of 54 states
States and territories, banded by public bridge inventory size
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · 2024
Read the rank neighborhood for Louisiana
The highlighted point is Louisiana: 12,698 bridges and 11.48% in Poor condition, rank #45 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Louisiana on that same Poor-share ordering:
- North Dakota: 4,255 bridges · 10.98% Poor
- Michigan: 11,371 bridges · 11.27% Poor
- Louisiana: 12,698 bridges · 11.48% Poor
- Pennsylvania: 23,299 bridges · 12.58% Poor
- Guam: 47 bridges · 12.77% Poor
The full national sortable table lives on the rankings page.
Material families in Louisiana
Exclusive FHWA material families across all 12,698 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.
Who maintains Louisiana’s inventory
State agency holds 61.0% of the 12,698 public highway bridges filed under Louisiana in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.
When Louisiana’s bridges were built
Pre-1950 construction accounts for 4.2% of the 12,698 bridges with a recorded original year in Louisiana. Era bands are orthogonal to the Poor-share ranking above.
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 322 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.
ND
North Dakota
10.98% top marginal rate
MI
Michigan
11.27% top marginal rate
LA
Louisiana
11.48% top marginal rate
PA
Pennsylvania
12.58% top marginal rate
GU
Guam
12.77% 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.
Avenue E
PoorOver: DRESSER CANAL
0.10 MI WEST OF LA 1, Lafourche, LA
Built 1952 Load: 0.0 t
VALENTINE BRIDGE R
PoorOver: LAFOURCHE BAYOU
0.01 MI N OF LA 1, Lafourche, LA
Built 1969 Load: 0.0 t
UNNAMED RD
PoorOver: I-10
3.1 MI EAST OF I-510, Orleans, LA
Built 1969 Load: 0.0 t ADT: 28,550
UNNAMED RD
PoorOver: I-10
4.5 MI EAST OF I-510, Orleans, LA
Built 1969 Load: 0.0 t ADT: 28,550
Almonaster Ave
PoorOver: INNER HARBOR NAVIGATION
0.01 MI E OF FRANCE RD, Orleans, LA
Built 1919 Load: 0.0 t
Beiber Rd
PoorOver: NEZPIQUE BAYOU
3.65 Mi W of La 1160, Evangeline, LA
Built 1965 Load: 0.0 t ADT: 70
All Bridges in Louisiana
RANGE ROAD
FairOver: CLEAR LAKE
1.8 MI E OF LINDBERG RD, Bossier, LA
Built 1993 Load: 32.7 t ADT: 2,000
CONVOY ROUTE
FairOver: COOPER BAYOU
0.2 MI W. OF PERIMETER RD, Bossier, LA
Built 1987 Load: 32.7 t ADT: 25
MILL CREEK ROAD
FairOver: DRAKES CREEK
VE823384, Vernon, LA
Built 1978 Load: 32.7 t ADT: 100
MILL CREEK ROAD
FairOver: WHISKEY CHITTO CREEK
VE 858 387, Vernon, LA
Built 1978 Load: 32.7 t ADT: 50
MILL CREEK ROAD
FairOver: WHISKEY CHITTO CREEK
VE 859 388, Vernon, LA
Built 1978 Load: 32.7 t ADT: 50
RIVERTON DRIVE
FairOver: BAYOU ZOURIE TRIB
VE 814 412, Vernon, LA
Built 1990 Load: 32.7 t ADT: 300
PERIMETER ROAD
FairOver: COMRADE CREEK
VE 818 668, Vernon, LA
Built 1978 Load: 32.7 t ADT: 40
PERIMETER ROAD
FairOver: MARTIN CREEK
VE 753 653, Vernon, LA
Built 1978 Load: 32.7 t ADT: 40
PERIMETER ROAD
FairOver: DOWDEN CREEK
VE 713 664, Vernon, LA
Built 1978 Load: 32.7 t ADT: 40
TRAM ROAD
FairOver: LYLES CREEK
VE757727, Sabine, LA
Built 1987 Load: 32.7 t ADT: 40
TRAM ROAD
FairOver: LITTLE SANDY CREEK
VE 765 716, Sabine, LA
Built 1964 Load: 32.7 t ADT: 40
TRAM ROAD
FairOver: STAGESTAND CREEK
PEASON RIDGE TRAIN. AREA, Natchitoches, LA
Built 2007 Load: 32.7 t ADT: 40
ROCK QUARRY ROAD
FairOver: ODOM CREEK
VE817710, Natchitoches, LA
Built 2005 Load: 32.7 t ADT: 40
HAYNES SETTLEMENT
FairOver: DOWDEN CREEK
VE 713 688, Vernon, LA
Built 1967 Load: 32.7 t ADT: 40
DOWDEN CREEK RD
FairOver: DOWDEN CREEK
VE 703 688, Vernon, LA
Built 1968 Load: 32.7 t ADT: 40
YELLOW BRICK ROAD
FairOver: COMRADE CREEK
VE 801 680, Vernon, LA
Built 1969 Load: 32.7 t ADT: 40
OAKIE FLAT ROAD
FairOver: TRIB OF COMRADE CREEK
V 803 670, Vernon, LA
Built 2000 Load: 32.7 t ADT: 40
ROCK QUARRY ROAD
FairOver: TIGER CREEK
VE 823 727, Vernon, LA
Built 1990 Load: 32.7 t ADT: 40
RIVERTON ROAD
FairOver: DRAINAGE TO ZOURIE BAYOU
NEAR WILLIAM ST, Vernon, LA
Built 1990 Load: 32.7 t ADT: 300
PENDLETON DR
FairOver: ZOURIE BAYOU
NEAR RYAN, Vernon, LA
Built 1989 Load: 32.7 t ADT: 300
BEN WEST RD
FairOver: UNKNOWN CREEK
Fort Polk, Vernon, LA
Built 2018 Load: 32.7 t ADT: 40
MILL CREEK ROAD
FairOver: BIRDS CREEK
FORT POLK, Vernon, LA
Built 1987 Load: 32.7 t ADT: 200
MILL CREEK ROAD
FairOver: BIRDS CREEK
FORT POLK, Vernon, LA
Built 1987 Load: 32.7 t ADT: 200
MAV LZ
FairOver: W FORK 6MI CREEK
FORT POLK, Vernon, LA
Built 2009 Load: 32.7 t ADT: 40
SIXMILE CREEK RD
FairOver: TRIB TO W FORK 6 MI CRK
VE 981 379, Vernon, LA
Built 1994 Load: 32.7 t ADT: 300
SIXMILE CREEK RD
FairOver: TRIB TO W FORK 6 MI CRK
VE 965 374, Vernon, LA
Built 1994 Load: 32.7 t ADT: 300
MILL CREEK ROAD
FairOver: BIRDS CREEK
VE 919 379, Vernon, LA
Built 1987 Load: 32.7 t ADT: 300
DRAKES CREEK ROAD
FairOver: OBANION BRANCH
VE 840 326, Vernon, LA
Built 1994 Load: 32.7 t ADT: 320
DRAKES CREEK ROAD
FairOver: TRIB TO DRAKES CREEK
VE 853 335, Vernon, LA
Built 1994 Load: 32.7 t ADT: 350
DRAKES CREEK ROAD
FairOver: TRIB TO DRAKES CREEK
VE 852 334, Vernon, LA
Built 1994 Load: 32.7 t ADT: 320
US0090-B
FairOver: ON RAMP FM SERVICE ROAD
1.3 MI WEST OF LA 23, Jefferson, LA
Built 1987 Load: 33.0 t ADT: 15,955
US0090-B
FairOver: ON RAMP FM STUMPF BLVD.
0.7 MI WEST OF LA 23, Jefferson, LA
Built 1987 Load: 33.0 t ADT: 15,955
US0190
FairOver: ATCHAFALAYA R @ KSPNGS
0.25 Mi W of LA 975, St. Landry, LA
Built 1973 Load: 33.0 t ADT: 20,176
LA3032
FairOver: RED RIVER FANT&TEAGUE PK
0.31 MILES WEST OF US 71, Caddo, LA
Built 2008 Load: 33.0 t ADT: 14,900
WILLIAMSON WAY
FairOver: SUMMER GROVE DITCH
1.61NI E OF US HWY, Caddo, LA
Built 1972 Load: 33.0 t ADT: 4,404
US0167
FairOver: CREEK
1.2 MI NORTH OF LA 505, Jackson, LA
Built 1960 Load: 33.0 t ADT: 8,018
US0167
FairOver: CREEK
2.6 MI NORTH OF LA 505, Jackson, LA
Built 1960 Load: 33.0 t ADT: 8,018
US0080
FairOver: BAYOU
3.0 MI EAST OF LA 852, Richland, LA
Built 1953 Load: 33.0 t ADT: 1,451
GARLAND GIN RD
FairOver: MILL CREEK
.3 MI. NE INT. 426, Union, LA
Built 1983 Load: 33.0 t ADT: 1,077
ALLEN MANN RD
FairOver: DRAIN TO DARBONNE LAKE
.7 MI. SE INT. 343, Union, LA
Built 1983 Load: 33.0 t ADT: 317
STANSBURY RD
FairOver: DRAIN TO DARBONNE LAKE
1.1 MI. N. INT. 269, Union, LA
Built 1983 Load: 33.0 t ADT: 201
CAMP EDGEWOOD RD
FairOver: HICKORY CREEK
2.8 MI WEST OF US 171, Beauregard, LA
Built 1994 Load: 33.0 t ADT: 700
1ST PENT CHURCH RD
FairOver: HICKORY BRANCH
1.7 MI W OF US 171, Beauregard, LA
Built 1983 Load: 33.0 t ADT: 500
LAKE ST
FairOver: CONTRABAND BAYOU
1.0 MILES SOUTH OF I-210, Calcasieu, LA
Built 2012 Load: 33.0 t ADT: 19,793
LA0014
FairOver: DRAIN
0.3 MI N of BUS. US 90, Calcasieu, LA
Built 1962 Load: 33.0 t ADT: 22,885
I0010
FairOver: KIRKMAN STREET
2.2 MI W of US 171, Calcasieu, LA
Built 1961 Load: 33.0 t ADT: 11,437
RIGMAIDEN CEM. RD.
FairOver: BUXTON CREEK
0.4 MI N of JOHNSON RD, Calcasieu, LA
Built 1991 Load: 33.0 t ADT: 341
FDR 337
FairOver: TIGER BRANCH
NATIONAL FOREST ROAD, Natchitoches, LA
Built 1970 Load: 33.0 t ADT: 30
Rapides Station Rd
FairOver: BIG BAYOU
1.0 M SOUTH OF LA 1, Rapides, LA
Built 1989 Load: 33.0 t ADT: 610
COTTONWOOD RD
FairOver: POCOSIN CREEK
3.4 M. S. OF JIM CRYER RD, Vernon, LA
Built 1987 Load: 33.0 t
Showing 3,801-3,850 of 12,698 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.
What to do with this
Use Louisiana's inventory picture to drill to a county or a specific span.
- Browse counties in Louisiana and open the highest-Poor shares first. County list
- See where this state sits among peers on Poor-condition share. State rankings
- Compare this state with another jurisdiction on the same measures. State compare
NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Louisiana Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.