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

I0049

Good

Over: DOLET SWAMP

1.04 M N OF LA 177 INTR, De Soto, LA

Built 1989 Load: 36.3 t ADT: 22,806

I0049

Good

Over: I-49 OVER ASSEFF RD INTG

2.97 MI S OF US 84 INTG, De Soto, LA

Built 1987 Load: 36.3 t ADT: 29,022

I0049

Good

Over: I-49 OVER ASSEFF RD INTG

2.98 MI S OF US 84 INTG, De Soto, LA

Built 1987 Load: 36.3 t ADT: 28,142

I0049

Good

Over: I-49, KCS RR

0.56 MI N OF LA 5 OVP, De Soto, LA

Built 1987 Load: 36.3 t ADT: 29,022

I0049

Good

Over: I-49, KCS RR

0.56 MI NO OF LA 5 OVP, De Soto, LA

Built 1987 Load: 36.3 t ADT: 28,142

PECOS AVE

Good

Over: SHOE CREEK

0.3 MI W of Prairie Dr, East Baton Rouge, LA

Built 2019 Load: 36.3 t ADT: 1,603

Cuyhanga Pkwy

Good

Over: JONES CREEK

0.3 MI E OF MONTERREY BLV, East Baton Rouge, LA

Built 2017 Load: 36.3 t ADT: 25

LA0067

Good

Over: WHITE BAYOU

3.75M NORTH OF LA 3006, East Baton Rouge, LA

Built 1992 Load: 36.3 t ADT: 15,087

I0110

Good

Over: EVANGELINE ST. OFF RAMP

I0110, East Baton Rouge, LA

Built 1970 Load: 36.3 t ADT: 4,185

I0012

Good

Over: CEDARCREST DRIVE

I0012, East Baton Rouge, LA

Built 1986 Load: 36.3 t ADT: 28,013

I0012

Good

Over: CEDARCREST DRIVE

I0012, East Baton Rouge, LA

Built 1986 Load: 36.3 t ADT: 32,092

Cemetery Rd.

Good

Over: CREEK

0.70 Mi W of US 167, Evangeline, LA

Built 1986 Load: 36.3 t ADT: 402

LAMKIN RD

Good

Over: CYPRESS BAYOU

.25 MI. E. INT. 076, Jackson, LA

Built 1984 Load: 36.3 t ADT: 85

LA0023

Good

Over: VERRET CANAL

1.9 MI SOUTH OF US 90B, Jefferson, LA

Built 1975 Load: 36.3 t ADT: 25,594

11TH ST

Good

Over: 3 MILE CANAL

0.1 MI. EAST OF MANHATTAN, Jefferson, LA

Built 1985 Load: 36.3 t ADT: 500

LINSCOMB ROAD

Good

Over: ROGERS GULLY

1.2 MI E of LA 26, Jefferson Davis, LA

Built 2004 Load: 36.3 t ADT: 50

Chemin Metairie

Good

Over: Parc Perdu Bayou

.1 M West of Detente Rd., Lafayette, LA

Built 2008 Load: 36.3 t ADT: 2,284

Kidder Rd

Good

Over: DRAIN

1.49 MI N OF LA 1252, Lafayette, LA

Built 2013 Load: 36.3 t ADT: 317

S. Domingue Ave.

Good

Over: Ill Des Cannes-Lat 7

0.09 MI N of Ridge Rd, Lafayette, LA

Built 2007 Load: 36.3 t ADT: 1,782

Dulles Dr.

Good

Over: COULEE ILE DES CANNES

0.9 W of La 93, Lafayette, LA

Built 2004 Load: 36.3 t ADT: 1,703

LA0649

Good

Over: BAYOU LAFOURCHE

.01 MI NORTH OF LA 1, Lafourche, LA

Built 1996 Load: 36.3 t ADT: 1,991

Bellevue St.

Good

Over: Hemphill Creek

0.4 MI SW OF E BRADFORD S, LaSalle, LA

Built 1997 Load: 36.3 t ADT: 250

DELLA RD

Good

Over: CYPRESS CREEK

2.0 MILES EAST OF US 167, Lincoln, LA

Built 2011 Load: 36.3 t

I0049

Good

Over: BAYOU BARBUE

0.84 MI. NORTH OF LA 490, Natchitoches, LA

Built 1984 Load: 36.3 t ADT: 18,305

I0610

Good

Over: OFF RP TO NEW ORLEANS

.02 MI EAST OF LA 3071, Orleans, LA

Built 1975 Load: 36.3 t ADT: 7,620

I0610

Good

Over: ON RP FROM ELYSIAN FIELD

.4 MI EAST OF LA 3071, Orleans, LA

Built 1975 Load: 36.3 t ADT: 7,620

I0610

Good

Over: OFF RP TO ELYSIAN FIELDS

.4 MI EAST OF LA 3071, Orleans, LA

Built 1975 Load: 36.3 t ADT: 7,620

I0610

Good

Over: OFF RP TO ELYSIAN FIELDS

.6 MI EAST OF LA 3071, Orleans, LA

Built 1975 Load: 36.3 t ADT: 7,620

I0610

Good

Over: ON RP FROM ELYSIAN FIELD

.7 MI EAST OF LA 3071, Orleans, LA

Built 1975 Load: 36.3 t ADT: 7,620

I0510

Good

Over: GROUND

1.27M NORTH OF US 90, Orleans, LA

Built 1992 Load: 36.3 t ADT: 7,620

I0010

Good

Over: CITY STREETS/RR

2.4 MI EAST OF LA 39, Orleans, LA

Built 1992 Load: 36.3 t ADT: 5,696

ADAMS ST

Good

Over: E PRONG YOUNGS BAYOU

1.6 MI W OF US 165, Ouachita, LA

Built 2017 Load: 36.3 t ADT: 36

larry henry road

Good

Over: Longs Creek

0.7 Mi. SE of La 34, Ouachita, LA

Built 2018 Load: 36.3 t ADT: 130

OLD STERLINGTON RD

Good

Over: CHAUVIN BAYOU

0.7 MI NE of US 165 N, Ouachita, LA

Built 2004 Load: 36.3 t ADT: 10,800

US0167

Good

Over: RED RIVER, GREER ST.

US 167 SOUTH @ RED RIVER, Rapides, LA

Built 1996 Load: 36.3 t ADT: 27,628

LA0112

Good

Over: ROCKY BAYOU

7.12 MI. WEST OF US 165, Rapides, LA

Built 1993 Load: 36.3 t ADT: 1,268

LA0457

Good

Over: WILSON BAYOU

4.53 MI. NE OF US 71, Rapides, LA

Built 1994 Load: 36.3 t ADT: 806

LA0457

Good

Over: BAYOU LATANIER

3.09 MI. SOUTH OF LA 3170, Rapides, LA

Built 1994 Load: 36.3 t ADT: 806

LA0113

Good

Over: SWETZ BRANCH

3.0 MI. EAST OF LA 462, Rapides, LA

Built 1994 Load: 36.3 t ADT: 822

LA0113

Good

Over: PRAIRIE BRANCH

2.04 MI. E OF INT LA112, Rapides, LA

Built 1994 Load: 36.3 t ADT: 2,071

LA0113

Good

Over: MASTERS CREEK

6.36 MI. E OF INT LA112, Rapides, LA

Built 1995 Load: 36.3 t ADT: 2,071

LA0116

Good

Over: FLAGON CREEK

2.83 MI NE JCT US 165, Rapides, LA

Built 1983 Load: 36.3 t ADT: 6,942

LA0028

Good

Over: CYPRESS BAYOU

4.22 MI. EAST OF LA 465, Rapides, LA

Built 1973 Load: 36.3 t ADT: 7,065

I0049

Good

Over: BAYOU JEAN DE JEAN

1.8 M NORTH OF LA 1200, Rapides, LA

Built 1989 Load: 36.3 t ADT: 11,969

LA1208-4

Good

Over: DITCH

0.45 MI. EAST OF US 71, Rapides, LA

Built 1989 Load: 36.3 t ADT: 4,598

LA3265

Good

Over: BAYOU CLEAR

0.25 MI. EAST OF US 165, Rapides, LA

Built 2005 Load: 36.3 t ADT: 4,368

LA0118

Good

Over: KIB CREEK

12.26 MI. EAST OF US 171, Sabine, LA

Built 2010 Load: 36.3 t ADT: 1,471

US0171

Good

Over: SAN JOSE CREEK

1.06 MI. S OF E JCT. LA 6, Sabine, LA

Built 2006 Load: 36.3 t ADT: 5,746

US0171

Good

Over: KCS RR

0.45 MI. NORTH OF LA 483, Sabine, LA

Built 2003 Load: 36.3 t ADT: 4,790

LA0191

Good

Over: BEECH BAYOU

2.08 MI. NORTH OF LA 1215, Sabine, LA

Built 1982 Load: 36.3 t ADT: 1,210

Showing 9,201-9,250 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.