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

Pepper Rd

Fair

Over: COULEE

0.8 Mi S of US 90, St. Mary, LA

Built 1967 Load: 18.8 t ADT: 330

US0051

Fair

Over: PONCHATOULA CREEK

US0051, Tangipahoa, LA

Built 1931 Load: 18.8 t ADT: 21,457

Wadesboro Rd

Fair

Over: NAV. PONCHATOULA

3.3 MI SW OF SR 22 E, Tangipahoa, LA

Built 1980 Load: 18.8 t ADT: 585

W. Palmetto St

Fair

Over: CREEK

1.2 MI SW/JCT16 PALMETTA, Tangipahoa, LA

Built 1975 Load: 18.8 t ADT: 545

PAUL VICE BRIDGE

Fair

Over: DULARGE BAYOU

0001 LOG MI FROM IN, Terrebonne, LA

Built 1966 Load: 18.8 t ADT: 240

N. Hollywood Rd

Fair

Over: ST. LOUIS CANAL

0.8 MI E OF LA 24, Terrebonne, LA

Built 1986 Load: 18.8 t ADT: 8,236

Funderburk Ave

Fair

Over: BAYOU TERREBONNE

0.01 M W OF LA 24, Terrebonne, LA

Built 1965 Load: 18.8 t ADT: 5,001

DEADWOOD RD

Fair

Over: COULEE

0.3 MI NORTH OF LA 20, Terrebonne, LA

Built 1966 Load: 18.8 t ADT: 358

LA0696

Fair

Over: COULEE KENNY

2.3 MI W. OF LA 343, Vermilion, LA

Built 1964 Load: 18.8 t ADT: 736

LA0017

Fair

Over: CREEK

2.5 MI NORTH OF LA 577, West Carroll, LA

Built 1924 Load: 18.8 t ADT: 2,238

Fournerat Rd

Fair

Over: Bayou Des Cannes

2.1 Mi. W. Of La 91, Acadia, LA

Built 1986 Load: 19.1 t ADT: 720

US0190

Fair

Over: CREEK

7.3 MI. E OF INT LA 113, Allen, LA

Built 1954 Load: 19.1 t ADT: 3,923

LA0026

Fair

Over: BAYOU BLUE RELIEF

3.5 MI S OF LA 104, Allen, LA

Built 1957 Load: 19.1 t ADT: 2,027

LA0026

Fair

Over: BAYOU BLUE

4.0 MI. N OF US190, Allen, LA

Built 1957 Load: 19.1 t ADT: 1,088

PALESTINE RD

Fair

Over: CREEK

2.6 MI EAST OF LA 377, Allen, LA

Built 1970 Load: 19.1 t ADT: 609

LA0429

Fair

Over: NEW RIVER

LA0429, Ascension, LA

Built 1957 Load: 19.1 t ADT: 9,071

LA0621

Fair

Over: BLACK BAYOU CANAL

0.6 M E of US 61, Ascension, LA

Built 1967 Load: 19.1 t ADT: 7,519

LA0012

Fair

Over: COWARDS GULLY

3.9 MI. W OF INT LA 389, Beauregard, LA

Built 1956 Load: 19.1 t ADT: 3,097

LA0110

Fair

Over: HOOSIER CREEK

3.8 MI. SE OF US190, Beauregard, LA

Built 1959 Load: 19.1 t ADT: 1,947

LA0110

Fair

Over: BEAR HEAD CREEK

3.1 MI. W OF US190, Beauregard, LA

Built 1959 Load: 19.1 t ADT: 1,947

LA0110

Fair

Over: BEAR HEAD MARSH

2.5 MI. E OF LA27, Beauregard, LA

Built 1959 Load: 19.1 t ADT: 1,947

LA0110

Fair

Over: BECKWITH CREEK RELIEF

2.27 MI. E OF INT LA27, Beauregard, LA

Built 1961 Load: 19.1 t ADT: 2,079

LA0110

Fair

Over: COLE CREEK

7.45 MI. E OF INT LA27, Beauregard, LA

Built 1961 Load: 19.1 t ADT: 2,079

LA0003

Fair

Over: DRAIN

.71 MI NORTH OF LA 2, Bossier, LA

Built 1960 Load: 19.1 t ADT: 2,638

HAYWOOD DRIVE

Fair

Over: HOLLYWOOD DITCH

200 FT.EAST OF BETHU, Caddo, LA

Built 1961 Load: 19.1 t ADT: 1,850

Clyde Place-Vivian

Fair

Over: CLYDE PL VIV RD,BLACK B.

3.3MI S OF LA HWY.17, Caddo, LA

Built 1980 Load: 19.1 t ADT: 40

LA0012

Fair

Over: BEAR HEAD CREEK

2.13 MI EAST OF LA 109, Calcasieu, LA

Built 1956 Load: 19.1 t ADT: 3,097

LA0014

Fair

Over: INDIAN BAYOU CANAL

3.0 MI EAST OF LA 27, Calcasieu, LA

Built 1959 Load: 19.1 t ADT: 2,023

5TH AVE

Fair

Over: DRAIN

0.2 MI N. OF LA 3186, Calcasieu, LA

Built 1975 Load: 19.1 t ADT: 2,449

BANKEN RD

Fair

Over: BAYOU ARCENEAUX

2.3 MI EAST OF LA 27, Calcasieu, LA

Built 1955 Load: 19.1 t ADT: 1,076

DOUGLAS RD

Fair

Over: BUXTON CREEK

.4 MILES EAST OF LA 27, Calcasieu, LA

Built 1997 Load: 19.1 t ADT: 1,000

BILL PHILLIPS RD

Fair

Over: CREEK

0.9 MI. N. of LA 389, Calcasieu, LA

Built 1991 Load: 19.1 t ADT: 980

US0084

Fair

Over: DRAIN

1.4 MI EAST OF LA 191, De Soto, LA

Built 1951 Load: 19.1 t ADT: 4,251

US0084

Fair

Over: B.GRAND CANE RLF

1.7 MI EAST OF LA 191, De Soto, LA

Built 1951 Load: 19.1 t ADT: 4,251

Elvin Dr

Fair

Over: DRAIN BAYOU

.50 MI SOUTH OF BURBANK, East Baton Rouge, LA

Built 1984 Load: 19.1 t ADT: 1,762

Baird Dr

Fair

Over: WALDEN LAKE

0.1 Mi. S of Walden Rd, East Baton Rouge, LA

Built 1973 Load: 19.1 t ADT: 522

Southfork Ave

Fair

Over: DRAIN BAYOU

.20 MI N.SHERWOOD FR.BLVD, East Baton Rouge, LA

Built 1983 Load: 19.1 t ADT: 2,436

Chester Rd

Fair

Over: CREEK

LOGMI 5.66 FR 037 TO, Franklin, LA

Built 1965 Load: 19.1 t ADT: 53

FDR 115

Fair

Over: CYPRESS CREEK

NO DATA ENTERED, Grant, LA

Built 1965 Load: 19.1 t ADT: 43

FDR 120

Fair

Over: GRAY BRANCH

NO DATA ENTERED, Grant, LA

Built 1970 Load: 19.1 t ADT: 28

FDR 165

Fair

Over: N FORK FISH CREEK

NO DATA ENTERED, Grant, LA

Built 1965 Load: 19.1 t ADT: 28

FDR 558

Fair

Over: FRIDAY CREEK

LOGMI 1.25 FR 569 TO, Grant, LA

Built 1966 Load: 19.1 t ADT: 34

FDR 558

Fair

Over: SCHOOL HOUSE BRANCH

LOGMI 0.41 FR 569 TO, Grant, LA

Built 1965 Load: 19.1 t ADT: 34

LA0008

Fair

Over: LITTLE SANDY BAYOU

4.25 MI EAST OF LA 1, Grant, LA

Built 1948 Load: 19.1 t ADT: 1,977

Estis Rd

Fair

Over: Segura Branch Canal

0.5 MI E of US 90 Serv Rd, Iberia, LA

Built 1966 Load: 19.1 t ADT: 323

LA0146

Fair

Over: CHOUDRANT CREEK

.4 MI SOUTH OF LA 145, Jackson, LA

Built 1951 Load: 19.1 t ADT: 882

LA0556

Fair

Over: SO CHOUDRANT CR

4.05 MI WEST OF LA 144, Jackson, LA

Built 1968 Load: 19.1 t ADT: 376

LA0542

Fair

Over: CREEK

.49 MI SOUTH OF LA 813-3, Jackson, LA

Built 1959 Load: 19.1 t ADT: 485

DRAKE AVE

Fair

Over: BAYOU SEGNETTE

0.5 M NORTH OF LAPALCO, Jefferson, LA

Built 1960 Load: 19.1 t ADT: 200

CLUB DR

Fair

Over: CANAL NO.3

0.005 MI N OF VETERANS B, Jefferson, LA

Built 1970 Load: 19.1 t

Showing 1,701-1,750 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.