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

Perchville Rd

Good

Over: MALLET BAYOU

2.0 Mi W of La 367, Acadia, LA

Built 2012 Load: 23.7 t ADT: 528

Perchville Rd

Good

Over: MALLET BAYOU

2.1 Mi W of La 367, Acadia, LA

Built 1999 Load: 23.7 t ADT: 528

FUSELIER LN

Good

Over: OBERLIN DITCH

0.5 MI N of W 9TH AVE, Allen, LA

Built 2011 Load: 23.7 t ADT: 125

CARRIER RD

Good

Over: GUM BRANCH

3.1 MI EAST OF US 165, Allen, LA

Built 2011 Load: 23.7 t ADT: 180

River Rd

Good

Over: BAYOU CHOCTAW

1.3 MI. NORTH OF LA 1, Avoyelles, LA

Built 1989 Load: 23.7 t ADT: 150

US0080

Good

Over: UPRR

0.41 MI. E. OF I-20, Caddo, LA

Built 2016 Load: 23.7 t ADT: 11,342

Central Throughway

Good

Over: DRAIN

0.5 MI. N. OF US190, East Baton Rouge, LA

Built 2011 Load: 23.7 t ADT: 10,400

N Stewart Ln

Good

Over: DRAINAGE CREEK

1.6 MI SW LA67, LA422 JCT, East Feliciana, LA

Built 1999 Load: 23.7 t ADT: 14

NFSR 558

Good

Over: CREEK

NO DATA ENTERED, Grant, LA

Built 2003 Load: 23.7 t ADT: 30

NFSR 558

Good

Over: NO DATA ENTERED

NO DATA ENTERED, Grant, LA

Built 2007 Load: 23.7 t ADT: 30

Belle Place Rd

Good

Over: Teche Bayou

0.1 Mi. N. Of La 86, Iberia, LA

Built 1988 Load: 23.7 t ADT: 3,317

LAPALCO BLVD

Good

Over: OAKWOOD CANAL

0.1MI.W OF BELLCHASE, Jefferson, LA

Built 1960 Load: 23.7 t ADT: 20,000

CITRUS RD

Good

Over: SONIAT CANAL

0.01 MI.WEST.OF.HICK, Jefferson, LA

Built 1965 Load: 23.7 t ADT: 1,000

W. Congress St.

Good

Over: MINE COULEE

0.4 Miles SW of LA 3025, Lafayette, LA

Built 1968 Load: 23.7 t ADT: 15,700

LA0151

Good

Over: CREEK

3.36 MILES NORTH JCT LA54, Lincoln, LA

Built 2011 Load: 23.7 t ADT: 527

LA0151

Good

Over: CREEK

1.96 MILES NORTH JCT LA 5, Lincoln, LA

Built 2011 Load: 23.7 t ADT: 1,110

MAY'S CROSSING RD

Good

Over: D'ARBONNE BAYOU

2.4 MI N of LA 151, Lincoln, LA

Built 2001 Load: 23.7 t ADT: 165

US0090

Good

Over: RIGOLETS PASS

8.7 MILES EAST OF CHEF PA, Orleans, LA

Built 2008 Load: 23.7 t ADT: 1,215

STARS & STRIPES B

Good

Over: CITY STREET/RAILROAD

0.2 MI WEST OF LA 47, Orleans, LA

Built 1998 Load: 23.7 t ADT: 13,713

MARTHAVILLE RD

Good

Over: BAYOU DUPONT

MARTHAVILLE ROAD, Sabine, LA

Built 2000 Load: 23.7 t ADT: 170

LA0437

Good

Over: DRAIN

0.95 MI. NO. LA 25 INTER., St. Tammany, LA

Built 1997 Load: 23.7 t ADT: 4,871

Reid Rd

Good

Over: LITTLE NATALBANY RIVER

2.5 MI SW OF JCT OF 16&51, Tangipahoa, LA

Built 2002 Load: 23.7 t ADT: 32

Stateline Rd

Good

Over: TERRY'S CREEK

4.3 MI NW OF JCT 51 &1054, Tangipahoa, LA

Built 2002 Load: 23.7 t ADT: 40

LA0008

Good

Over: COMRADE CREEK

6.09 MI. E OF E JCT. LA 4, Vernon, LA

Built 2012 Load: 23.7 t ADT: 5,978

Claiborne St

Good

Over: COBURN CREEK

0.4 MILES NORTH OF LA 10, Washington, LA

Built 2010 Load: 23.7 t ADT: 520

NFSR 506

Good

Over: CYPRESS CREEK

NO DATA ENTERED, Winn, LA

Built 2003 Load: 23.7 t ADT: 20

NFSR 558

Good

Over: IATT CREEK

NO DATA ENTERED, Winn, LA

Built 2005 Load: 23.7 t ADT: 30

Zaunbrecher Rd.

Good

Over: COULEE

4.4 Mi W of La 91, Vermilion, LA

Built 2015 Load: 23.8 t ADT: 12

COONEY BONNETT RD

Good

Over: ROGERS CREEK

3.0 MI. S. OF LA 34, Ouachita, LA

Built 2018 Load: 23.9 t ADT: 183

LA0933

Good

Over: RODDY BAYOU

0.9 Mi. S. of LA 42, Ascension, LA

Built 2007 Load: 24.0 t ADT: 6,131

Dutch John Rd

Good

Over: Dutch John Branch

0.6 MI SE OF LA 2, Bossier, LA

Built 1994 Load: 24.0 t ADT: 90

LA 1256

Good

Over: DRAIN

.04 MI N of LA 27, Calcasieu, LA

Built 1984 Load: 24.0 t ADT: 20,278

LA0014

Good

Over: JACQUES COULEE

1.05 MI EAST OF LA 27, Calcasieu, LA

Built 1959 Load: 24.0 t ADT: 2,023

LA0146

Good

Over: L&NW RAILROAD

0.06 MI E OF US 79, Claiborne, LA

Built 2010 Load: 24.0 t ADT: 1,360

Whitney AVE

Good

Over: Verret Canal

1.5 Mi S of US 90, Jefferson, LA

Built 2004 Load: 24.0 t ADT: 250

LAPALCO BLVD

Good

Over: WEYRAUCH CANAL

0.6MI.E.OF MANHATTAN, Jefferson, LA

Built 1976 Load: 24.0 t ADT: 30,000

Ridge Rd.

Good

Over: DRAINAGE CANAL

.3 MI E of Rue Du Beller, Lafayette, LA

Built 1997 Load: 24.0 t ADT: 13,000

US0190

Good

Over: AMITE RIVER

3 MILES WEST OF LA 1032, Livingston, LA

Built 2009 Load: 24.0 t ADT: 10,200

US0190

Good

Over: AMITE RIVER

3 MILES WEST OF LA 1032, Livingston, LA

Built 2010 Load: 24.0 t ADT: 23,971

LA0428

Good

Over: ALGIERS CANAL

1.0 MILES SOUTH OF US 90B, Orleans, LA

Built 1987 Load: 24.0 t ADT: 7,178

OAK ST

Good

Over: COON CREEK

MONROE, Ouachita, LA

Built 1993 Load: 24.0 t ADT: 200

LA0043

Good

Over: CREEK

0.41 MI. SOUTH OF LA 10, St. Helena, LA

Built 1947 Load: 24.0 t ADT: 2,252

LA0083

Good

Over: KELLY CANAL

2.80 MI WEST OF US 90, St. Mary, LA

Built 1954 Load: 24.0 t ADT: 3,078

LA0700

Good

Over: HUNTER CANAL

0.5 MI E of LA 35, Vermilion, LA

Built 1955 Load: 24.0 t ADT: 1,685

Como Rd

Good

Over: SANDERS CREEK

4.2 MI W OF LA 968, West Feliciana, LA

Built 2018 Load: 24.0 t ADT: 19

Countrywood Rd

Good

Over: WHITE OAK CREEK

1.01M NW of LA 846, Caldwell, LA

Built 1996 Load: 24.3 t ADT: 40

Stilt St

Good

Over: MONTE SANO BAYOU

.30 MI EAST OF HIWAY 19, East Baton Rouge, LA

Built 1994 Load: 24.3 t ADT: 177

Pride-Baywood Rd

Good

Over: COTTON CREEK

3.4 MI. E. of LA 409, East Baton Rouge, LA

Built 1968 Load: 24.3 t ADT: 1,118

Leman Rd

Good

Over: MARSH BAYOU

0.90 Mi N of La 106, Evangeline, LA

Built 2004 Load: 24.3 t ADT: 130

W Metairie Ave

Good

Over: Canal #5

0.3 Miles W of David D, Jefferson, LA

Built 2002 Load: 24.3 t ADT: 387

Showing 7,101-7,150 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.