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

Total Bridges

12,699

Public highway bridges in Louisiana

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%.

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
Structure
Progressive
Burden @ $100K
$14,867

ND

North Dakota

10.84% top marginal rate
Structure
Progressive
Burden @ $100K
$4,242
Selected

LA

Louisiana

11.00% top marginal rate
Structure
Progressive
Burden @ $100K
$12,699

PR

Puerto Rico

11.98% top marginal rate
Structure
Progressive
Burden @ $100K
$2,387

ME

Maine

13.23% top marginal rate
Structure
Progressive
Burden @ $100K
$771

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.

All Bridges in Louisiana

SAM CLOUD RD

Fair

Over: SARGENT CREEK

2.3 MI EAST OF LA 112, Allen, LA

Built 2003 Load: 38.2 t ADT: 985

Lil California Rd

Fair

Over: DRAINAGE CANAL

1.39 M. E. OF END LA 1194, Avoyelles, LA

Built 1984 Load: 38.2 t ADT: 100

LONGVILLE RD

Fair

Over: CANEY CREEK

3.2 MI E OF US 171, Beauregard, LA

Built 1986 Load: 38.2 t ADT: 220

N BEARHEAD RD

Fair

Over: GUM SLOUGH CREEK

4.7 MI W of LA 27, Beauregard, LA

Built 2005 Load: 38.2 t ADT: 50

LUMAS RD

Fair

Over: BEE MOUTH BRANCH CREEK

2.1 MI E of US 171, Beauregard, LA

Built 2005 Load: 38.2 t ADT: 50

MCDONALD RD

Fair

Over: SUGAR CREEK

1.0 MI E. OF LA 113, Beauregard, LA

Built 2005 Load: 38.2 t ADT: 190

FRANKLIN RD

Fair

Over: PALMETTO CREEK

0.9 M N OF GRANBERRY RD, Beauregard, LA

Built 2005 Load: 38.2 t ADT: 160

FRANKLIN RD

Fair

Over: CREEK

1.0 M N OF GRANBERRY RD, Beauregard, LA

Built 2005 Load: 38.2 t ADT: 160

LA0154

Fair

Over: BLACK LAKE RELIEF

.57 MI NORTH OF US 80, Bienville, LA

Built 1971 Load: 38.2 t ADT: 1,489

LA0526

Fair

Over: SAND BEACH BAYOU

.96 MI N OF JCT LA 3132, Caddo, LA

Built 1977 Load: 38.2 t ADT: 19,314

LA0526

Fair

Over: SAND BEACH BAYOU

096 MI NO OF JCT LA 3132, Caddo, LA

Built 1977 Load: 38.2 t ADT: 19,314

FRIESEN RD

Fair

Over: GOVERNMENT DITCH 011

0.5 MI EAST OF LA 397, Calcasieu, LA

Built 2001 Load: 38.2 t ADT: 131

HOLBROOK PARK RD

Fair

Over: LITTLE RIVER

2.8 MI E of LA 27, Calcasieu, LA

Built 1998 Load: 38.2 t ADT: 618

US0165

Fair

Over: LITTLE BLACK BAYOU

0.05 M N of LA 506, Caldwell, LA

Built 2004 Load: 38.2 t ADT: 13,633

LA0028

Fair

Over: BAYOU BOEUF

4.38 M E OF E JCT. LA 121, Rapides, LA

Built 2005 Load: 38.2 t ADT: 9,482

LA0028

Fair

Over: BAYOU BOEUF

4.38 MI EAST OF LA 121, Rapides, LA

Built 2003 Load: 38.2 t ADT: 8,811

Browns Village Rd

Fair

Over: BAYOU VINCENT BRIDGE

.1 MI N. JCT I-10 & US 11, St. Tammany, LA

Built 1986 Load: 38.2 t ADT: 4,561

Davis Landing Rd

Fair

Over: GUM BAYOU BRIDGE

0.2 MI EAST OF 1090, St. Tammany, LA

Built 1986 Load: 38.2 t ADT: 1,392

LA1054

Fair

Over: SPRING CREEK

0.99 MILES EAST OF JCT US, Tangipahoa, LA

Built 2008 Load: 38.2 t ADT: 1,235

E. Bell Rd

Fair

Over: LITTLE CHAPIPEELA CREEK

4.0M SW OF JCT 16 & 445, Tangipahoa, LA

Built 1992 Load: 38.2 t ADT: 248

LA0022

Fair

Over: BAYOU CONWAY

0.1 M NORTH I-10 & LA 22, Ascension, LA

Built 1990 Load: 38.6 t ADT: 11,127

LA0114

Fair

Over: BAYOU DES CYPRAIRRES

1.45 MI N OF LA 1185, Avoyelles, LA

Built 1988 Load: 38.6 t ADT: 3,984

LA0726

Fair

Over: COULEE BEAU

0.01 MI EAST OF LA 182, Lafayette, LA

Built 2005 Load: 38.6 t ADT: 13,175

LA1268

Fair

Over: STAULKINGHEAD CREEK

1.4 MI. W. of US 165, Morehouse, LA

Built 1983 Load: 38.6 t ADT: 8,914

West River Rd

Fair

Over: PRAIRIE BRANCH

.8 MILE SOUTH JCT LA 113, Rapides, LA

Built 2005 Load: 38.6 t ADT: 115

Butter Cemetery Rd

Fair

Over: HURRICANE CREEK

2.6 MILES SE OF LA 497, Rapides, LA

Built 2005 Load: 38.6 t ADT: 250

Carroll Creek Rd

Fair

Over: FORKED PINE BRANCH

2.6 MI. NORTH OF LA 155, Red River, LA

Built 1985 Load: 38.6 t ADT: 141

NIELSON RD

Fair

Over: SERPENT BAYOU

1.0 MI W of LA 99, Allen, LA

Built 2000 Load: 38.9 t ADT: 61

New Home Rd

Fair

Over: SUGAR CREEK

3.55 MI SW OF LA HWY 9, Claiborne, LA

Built 1990 Load: 38.9 t ADT: 140

New Home Rd

Fair

Over: FRANKS CREEK

3.7M WEST OF LA 9, Claiborne, LA

Built 1991 Load: 38.9 t ADT: 140

LA0004

Fair

Over: HALFWAY CREEK

1.7 MI WEST OF LA 811, Jackson, LA

Built 2005 Load: 38.9 t ADT: 2,987

LA0004

Fair

Over: BROWN CREEK

1.19 MI EAST OF LA 505, Jackson, LA

Built 2005 Load: 38.9 t ADT: 2,992

W. Bayou Pkwy

Fair

Over: MINE COULEE CUT-OFF CANA

0.47M WEST OF LA 3025, Lafayette, LA

Built 1993 Load: 38.9 t ADT: 5,000

MILLARD HILL RD

Fair

Over: STOWE CREEK

4.9 MI EAST INT RT 278, Union, LA

Built 1987 Load: 38.9 t ADT: 138

Old Delhi Rd

Fair

Over: HURRICANE BAYOU

.5 MI.ESE. HWY. 17, West Carroll, LA

Built 1984 Load: 38.9 t ADT: 1,200

LA0092

Fair

Over: CANAL

3.30 MI E of LA 1124, Acadia, LA

Built 1975 Load: 39.0 t ADT: 1,274

LA0367

Fair

Over: BAYOU MALLET

2.87 MI NORTH OF LA 370, Acadia, LA

Built 1981 Load: 39.0 t ADT: 2,054

LA0070

Fair

Over: GRAND BAYOU

LA0070, Assumption, LA

Built 1958 Load: 39.0 t ADT: 5,760

LA0996

Fair

Over: BAYOU CREAUX

LA0966, Assumption, LA

Built 1973 Load: 39.0 t ADT: 524

LA0996

Fair

Over: BRUSLY ST.MARTIN C.

LA0996, Assumption, LA

Built 1973 Load: 39.0 t ADT: 524

LA0012

Fair

Over: COW PEN CREEK

8.03 MI. E OF E INT LA27, Beauregard, LA

Built 1993 Load: 39.0 t ADT: 4,041

DON PLUSH RD

Fair

Over: TROUT CREEK

1.3 MI N of US 190, Beauregard, LA

Built 2006 Load: 39.0 t ADT: 360

LA0517

Fair

Over: BEAR CREEK

0.06 MI W JCT LA 9, Bienville, LA

Built 1983 Load: 39.0 t ADT: 301

LA0516

Fair

Over: CREEK

2.64 MI EAST OF LA 154, Bienville, LA

Built 1980 Load: 39.0 t ADT: 178

LA0790

Fair

Over: GRAND BAYOU

0.5 MI WEST OF US 371, Bienville, LA

Built 1983 Load: 39.0 t ADT: 50

LA0614

Fair

Over: FOXSKIN BAYOU

0.2 MI EAST OF LA 157, Bossier, LA

Built 1982 Load: 39.0 t ADT: 1,148

I0220

Fair

Over: MACK'S BAYOU

2.6 MI EAST OF LA 3105, Bossier, LA

Built 1978 Load: 39.0 t ADT: 25,004

I0220

Fair

Over: MACK'S BAYOU

2.6 MI EAST OF LA 3105, Bossier, LA

Built 1978 Load: 39.0 t ADT: 25,004

LA0529

Fair

Over: PHILLIPS CREEK

.43 MI NORTH OF LA 160, Bossier, LA

Built 1973 Load: 39.0 t ADT: 494

LA0538

Fair

Over: CREEK

2.02 MI NORTH OF LA 767, Caddo, LA

Built 1980 Load: 39.0 t ADT: 1,273

Showing 5,251-5,300 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.

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.

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.