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

Willow St.

Good

Over: COULEE

1.2 Mi. W of LA 182, St. Mary, LA

Built 1957 Load: 17.2 t ADT: 1,350

PINE HILL ROAD

Good

Over: McCAIN CREEK

1.6 MI W OF LA 1, Caddo, LA

Built 2020 Load: 17.5 t ADT: 1,172

US0090

Good

Over: FRANCE RD/N.O. BELT R/R

0.50 M NORTH OF I-10, Orleans, LA

Built 1989 Load: 17.5 t ADT: 47,738

LA0986

Good

Over: DRAINAGE CANAL

0.6 M E of LA 415@LA 986, West Baton Rouge, LA

Built 1923 Load: 17.5 t ADT: 1,204

METZGER RD

Good

Over: GOVERNMENT DITCH

1.1 MI E of ARDOIN RD, Calcasieu, LA

Built 2017 Load: 17.8 t ADT: 46

FDR 814

Good

Over: COW BRANCH

2.0 MI. E. OF LA. 159, Webster, LA

Built 1979 Load: 17.8 t ADT: 30

LA0097

Good

Over: CREEK

0.1 MI SOUTH OF US 190, Acadia, LA

Built 1956 Load: 18.1 t ADT: 1,175

Green Valley Rd

Good

Over: COULEE

0.40 Mi NW of La 748, Evangeline, LA

Built 1993 Load: 18.1 t ADT: 41

Pine Prairie Loop

Good

Over: PINE CREEK

LOG MI 5.6 FR 186 TO 123, Franklin, LA

Built 1998 Load: 18.1 t ADT: 180

Brownell Rd

Good

Over: WEST TURKEY CREEK

0.02 MI W OF LA 4, Franklin, LA

Built 1996 Load: 18.1 t ADT: 143

Austria Rd.

Good

Over: BAYOU QUEUE DE TORTUE

0.30 MI SOUTH US 90, Lafayette, LA

Built 1997 Load: 18.1 t ADT: 40

NFSR 513

Good

Over: SALINE BAYOU

NATIONAL FOREST ROAD, Natchitoches, LA

Built 2003 Load: 18.1 t ADT: 30

PINE ST

Good

Over: WASHINGTON AVE. CANAL

0.04 MI NE OF STROELITZ S, Orleans, LA

Built 1991 Load: 18.1 t ADT: 1,000

MARVIN HEAD RD

Good

Over: PRAIRION BAYOU

0.17 MI SE of LA 557, Ouachita, LA

Built 1996 Load: 18.1 t ADT: 463

RED CUT RD

Good

Over: PRARION BAYOU

2.76 MI. NE HWY. 557, Ouachita, LA

Built 1978 Load: 18.1 t ADT: 135

CADEVILLE CUTOFF

Good

Over: GUYTON CREEK

0.40 MI NW of LA 34, Ouachita, LA

Built 1997 Load: 18.1 t ADT: 307

Falcon Rd

Good

Over: Bayou Mallet

1.09 MI SW of LA 104, St. Landry, LA

Built 2000 Load: 18.1 t ADT: 35

SUWANEE ST

Good

Over: ICE WATER BRANCH

0.25 MI. SOUTH OF HWY 10, Washington, LA

Built 1995 Load: 18.1 t ADT: 321

Lee Rd

Good

Over: BETTS CREEK

1.0M NORTH OF LA 1072, Washington, LA

Built 1993 Load: 18.1 t ADT: 265

IKES RD

Good

Over: KINDER DITCH

0.6 MI W of US 165, Allen, LA

Built 1999 Load: 18.5 t ADT: 136

MAHAFFEY RD

Good

Over: FLAT CREEK

2.5 MI SOUTH OF LA 26, Allen, LA

Built 1998 Load: 18.5 t ADT: 110

Elderwood Rd

Good

Over: DRAINAGE DITCH

APP. 1 MI. N. OF LA 114, Avoyelles, LA

Built 1992 Load: 18.5 t ADT: 530

LINE AVE

Good

Over: OCKLEY DITCH

1.8 MI NO OF LA 511, Caddo, LA

Built 1996 Load: 18.5 t ADT: 18,000

TANK FARM RD

Good

Over: CREEK

1.1 MI EAST OF LA 384, Calcasieu, LA

Built 1986 Load: 18.5 t ADT: 1,430

LA0959

Good

Over: LITTLE SANDY CK

3.1 M East of LA 67, East Feliciana, LA

Built 1960 Load: 18.5 t ADT: 1,679

LA0959

Good

Over: SCALAUS CREEK

1.8 M E of LA 959&LA 409, East Feliciana, LA

Built 1960 Load: 18.5 t ADT: 1,679

Kerrel Vidrine Rd.

Good

Over: DE MANUEL COULEE

0.50 Mi N of La 104, Evangeline, LA

Built 1987 Load: 18.5 t ADT: 37

Mike Ln.

Good

Over: GRAND LOUIS BAYOU

0.17 Mi S of La 1160, Evangeline, LA

Built 1993 Load: 18.5 t ADT: 36

Whispering Pine Rd

Good

Over: DE MANUEL COULEE

2.0M EAST OF LA 29, Evangeline, LA

Built 1992 Load: 18.5 t ADT: 113

Bayou Toureau Rd.

Good

Over: TAUREAU BAYOU

0.73 Mi NW of La 115, Evangeline, LA

Built 1993 Load: 18.5 t ADT: 15

ABELL ROAD

Good

Over: EAST BAYOU LACASSINE

0.5 MI W of LA 99, Jefferson Davis, LA

Built 1999 Load: 18.5 t ADT: 350

ESTES ROAD

Good

Over: DRAIN

0.7 MI E of US 165, Jefferson Davis, LA

Built 1999 Load: 18.5 t ADT: 200

FLOWERS RD

Good

Over: D'ARBONNE BAYOU

1.2 MI SW of US 167, Lincoln, LA

Built 2001 Load: 18.5 t ADT: 70

RED CUT RD

Good

Over: RAWLS BRANCH

0.90 MI W of LA 557, Ouachita, LA

Built 1992 Load: 18.5 t ADT: 354

Odon Meche Rd.

Good

Over: DRAINAGE BAYOU

0.6 Mi W of Meche Rd, St. Landry, LA

Built 1987 Load: 18.5 t ADT: 150

Curleys Rd.

Good

Over: BAYOU BOURBEAUX

1.93 Mi SE of LA 754, St. Landry, LA

Built 1992 Load: 18.5 t ADT: 175

Robert Dailey Rd

Good

Over: Bayou Bourbeaux

0.3 Mi. SE Of La 754, St. Landry, LA

Built 1994 Load: 18.5 t ADT: 470

Homer Richard Rd.

Good

Over: Bayou Plaquemine Brule

0.5 Mi. E. of La 35, St. Landry, LA

Built 1994 Load: 18.5 t ADT: 400

Falcon Rd

Good

Over: Drainage Canal

0.48 Mi N of US 190, St. Landry, LA

Built 1994 Load: 18.5 t ADT: 35

marion St

Good

Over: CREEK

1.2 MI E LA 59 MARION ST., St. Tammany, LA

Built 1996 Load: 18.5 t ADT: 300

COUNTRY DR

Good

Over: BAYOU TERREBONNE

0.02 MI S. OF LA 24, Terrebonne, LA

Built 2013 Load: 18.5 t ADT: 2,390

DOUBLE BRIDGES RD

Good

Over: CANE CREEK

1.5 MI SE of US 167, Union, LA

Built 1994 Load: 18.5 t ADT: 223

PILGRIM REST CH RD

Good

Over: DAVIS CREEK

5.2 MI NW of LA 15, Union, LA

Built 1998 Load: 18.5 t ADT: 366

S. Aladin Rd

Good

Over: TIGRE BAYOU

0.3 Mi S of Jude Rd, Vermilion, LA

Built 1987 Load: 18.5 t ADT: 324

Sic Jenkins Rd

Good

Over: BOGUE LUSA CREEK

1.3 MILES N. OF HWY LA 60, Washington, LA

Built 1995 Load: 18.5 t ADT: 543

Monroe Cr. Rd

Good

Over: THOMAS CREEK BRIDGE

6.53 MI W. OF HWY 21, Washington, LA

Built 1996 Load: 18.5 t ADT: 390

Old Columbia Rd

Good

Over: ARD CREEK BRIDGE

1.6 MI N. OF HWY 438, Washington, LA

Built 1996 Load: 18.5 t ADT: 334

NORTH NINTH ST

Good

Over: CREEK

0.2 MI N of LA 26, Allen, LA

Built 2007 Load: 18.8 t ADT: 119

LA0070

Good

Over: BAYOU CHOUPIQUE

0.4 M E of LA 69&LA 70, Assumption, LA

Built 1958 Load: 18.8 t ADT: 5,760

Dinkins Drive

Good

Over: DINKINS DR.@MO.PAC.RR

0.3 MI.S. LA.511, Caddo, LA

Built 1982 Load: 18.8 t ADT: 259

Showing 6,751-6,800 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.