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

PROSPECT RD

Good

Over: DRY CREEK

0.86 MI. SOUTH OF LA 474, Sabine, LA

Built 1985 Load: 25.9 t ADT: 270

BRIDGES RD

Good

Over: KISATCHIE BAYOU

APP. 1.25 M. NE OF LA 118, Sabine, LA

Built 1984 Load: 25.9 t ADT: 60

BLACKWELL CREEK RD

Good

Over: BLACKWELL BAYOU

BLACKWELL CREEK ROAD, Sabine, LA

Built 1993 Load: 25.9 t ADT: 120

SHUTEYE RD

Good

Over: LEWIS CREEK

2.5 MILE WEST LA 6, Sabine, LA

Built 2005 Load: 25.9 t ADT: 210

TRAMEL RD

Good

Over: BAYOU SCIE TRIB.

1.5 MI. EAST OF LA 120, Sabine, LA

Built 1993 Load: 25.9 t ADT: 55

CATER RD

Good

Over: LITTLE SAN MIGUEL CREEK

CARTER ROAD, Sabine, LA

Built 1986 Load: 25.9 t ADT: 75

RYALS RD

Good

Over: LITON BRANCH

0.83 MI. SOUTH OF LA 174, Sabine, LA

Built 1986 Load: 25.9 t ADT: 160

Carr Dr

Good

Over: CANAL

INT. OF CARR DR AND US 11, St. Tammany, LA

Built 2010 Load: 25.9 t ADT: 502

Yucatan RD

Good

Over: BLUE HOLE

.73 Miles SE OF LA 608, Tensas, LA

Built 1992 Load: 25.9 t ADT: 120

LA0024

Good

Over: BAYOU TERREBONNE

LA0024, Terrebonne, LA

Built 1974 Load: 25.9 t ADT: 312

Romeal Rd

Good

Over: ROBINS CANAL

3.1 Mi W of Joe Rd, Vermilion, LA

Built 2010 Load: 25.9 t ADT: 150

HOLLYWOOD RD

Good

Over: BLUE BRANCH

0.2 M. E. OF LA 463, Vernon, LA

Built 1993 Load: 25.9 t ADT: 90

ROY LEE SNELL RD

Good

Over: ANACOCO CREEK

APP. 0.5 M W OF RIVERS RD, Vernon, LA

Built 1999 Load: 25.9 t ADT: 120

LA0010

Good

Over: ALLIGATOR BAYOU

2.27 MILES WEST OF US 61, West Feliciana, LA

Built 2010 Load: 25.9 t ADT: 5,763

Packton-Alexandria

Good

Over: BEAR CREEK

3.76 M. WEST OF US 167, Winn, LA

Built 1992 Load: 25.9 t ADT: 125

Perrin St.

Good

Over: Little Cypress Bayou

0.4 Mi. S of LA 2, Bossier, LA

Built 2023 Load: 26.0 t ADT: 420

Redland Rd

Good

Over: Caney Creek

2.0 M NORTH OF LA 2, Bossier, LA

Built 1990 Load: 26.0 t ADT: 50

DEMOSS ROAD

Good

Over: ROGERS CREEK

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

Built 2019 Load: 26.1 t ADT: 42

Benny's Ln

Good

Over: DRAINAGE CANAL

1 MI. WEST OF LA 115, Avoyelles, LA

Built 1992 Load: 26.2 t ADT: 120

OCKLEY DRIVE

Good

Over: BAYOU PIERRE

0.9 MI WEST OF LA 1, Caddo, LA

Built 1991 Load: 26.2 t ADT: 2,558

Central Throughway

Good

Over: COMITE RIVER

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

Built 2011 Load: 26.2 t ADT: 10,400

E. McKinley St

Good

Over: CORPORATION CANAL

BATON ROUGE, East Baton Rouge, LA

Built 2009 Load: 26.2 t ADT: 500

Dawson Rd

Good

Over: DAWSON CREEK

2.7 MI. N. JCT LA10,, East Feliciana, LA

Built 1977 Load: 26.2 t ADT: 70

White Rd

Good

Over: DUNN CREEK

1.6 MI. N., FELPS, East Feliciana, LA

Built 1992 Load: 26.2 t ADT: 8

New Zion Rd

Good

Over: WEST TURKEY CREEK

LOGMI 2.47 FR 186 TO 123, Franklin, LA

Built 1993 Load: 26.2 t ADT: 380

Smithway Drive

Good

Over: Drain to Verret Canal

0.3 Mi. W. of Gretna BLVD, Jefferson, LA

Built 2010 Load: 26.2 t ADT: 976

I0010

Good

Over: VETERANS BLVD OFF RAMP

0.3 MILES NORTH OF I 10, Jefferson, LA

Built 2011 Load: 26.2 t ADT: 15,955

I0010

Good

Over: CANAL NO 3

1.9 MI EAST OF LA 49, Jefferson, LA

Built 1967 Load: 26.2 t ADT: 15,955

PALMETTO ST

Good

Over: 17 TH STREET CANAL

0.01M NORTH OF ORPHEUM, Jefferson, LA

Built 1991 Load: 26.2 t ADT: 1,000

Fortune Rd

Good

Over: ANSELM COULEE

0.1 MI E of LA 339, Lafayette, LA

Built 2002 Load: 26.2 t ADT: 3,650

Cockpit Rd.

Good

Over: CARENCRO BAYOU

1.64 Mi E of LA 93, Lafayette, LA

Built 1992 Load: 26.2 t ADT: 640

BESS LAKE RD

Good

Over: CREEK

1.0 MI N of LA 856, Richland, LA

Built 2011 Load: 26.2 t ADT: 100

W. Teche Ln.

Good

Over: BAYOU LITTLE TECHE

0.1 Mi SW. of La 743, St. Landry, LA

Built 2005 Load: 26.2 t ADT: 250

Levee Rd

Good

Over: LAKE ST. PETER CANAL

1.4 MI S OF ICE HOUSE RD, Tensas, LA

Built 2000 Load: 26.2 t ADT: 75

HOLMESVILLE RD

Good

Over: CYPRESS CREEK

1.1 MI W of LA 15, Union, LA

Built 1993 Load: 26.2 t ADT: 59

Bonner Cr. Rd

Good

Over: BONNER CREEK

0.7 MILE WEST OF HWY 25, Washington, LA

Built 2006 Load: 26.2 t ADT: 382

Dement Rd

Good

Over: TRIB. TO LAKE BISTINEAU

2.0 MILES EAST OF LA 163, Webster, LA

Built 2008 Load: 26.2 t ADT: 80

LA0010

Good

Over: MISSISSIPPI RIVER

3.143 MILES WEST OF US 61, West Feliciana, LA

Built 2011 Load: 26.2 t ADT: 5,763

LA0830-1

Good

Over: BAYOU BARTHOLOMEW

2.72 MI WEST OF US 425, Morehouse, LA

Built 1983 Load: 26.3 t ADT: 242

I0310

Good

Over: GROUND

0.01 M FROM I-10, St. Charles, LA

Built 1992 Load: 26.3 t ADT: 29,468

LA1063

Good

Over: NATALBANY RIVER

LA1063, Tangipahoa, LA

Built 1962 Load: 26.3 t ADT: 1,130

US0090

Good

Over: BAYOU TERREBONNE

.2 MI EAST OF LA 24, Terrebonne, LA

Built 1980 Load: 26.3 t ADT: 12,192

LA0013

Good

Over: GRAND COULEE

.1 MI NORTH OF LA 368, Acadia, LA

Built 1960 Load: 26.6 t ADT: 5,027

Keithvil-Keatchie

Good

Over: FOSTER CREEK

5.0 MI NORTH OF LA 789, Caddo, LA

Built 1993 Load: 26.6 t ADT: 100

Larto Lake Cutoff

Good

Over: POWELL CUT-OFF

1.7 miles SW of LA 3102, Catahoula, LA

Built 1999 Load: 26.6 t ADT: 130

John Williamson Dr

Good

Over: CREEK

0.06 MI W of Crestview Dr, Concordia, LA

Built 2014 Load: 26.6 t ADT: 60

Lemon Rd

Good

Over: DOYLE BAYOU

2.5 MI W of LA 67, East Baton Rouge, LA

Built 1993 Load: 26.6 t ADT: 542

Thompson Creek Rd

Good

Over: HURRICANE CREEK

4.5 Miles West of LA 19, East Feliciana, LA

Built 1990 Load: 26.6 t ADT: 70

Alice Shaw Rd

Good

Over: TURKEY CREEK

0.2 M W of LA 865, Franklin, LA

Built 2012 Load: 26.6 t ADT: 1,001

LA0004

Good

Over: BEOUF RIVER

6.50 M W of LA 135, Franklin, LA

Built 2004 Load: 26.6 t ADT: 1,558

Showing 7,301-7,350 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.