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

Jot Em Down Rd

Fair

Over: SALINE BAYOU

3.3 MI NORTH OF LA 507, Bienville, LA

Built 1986 Load: 27.9 t ADT: 85

US0171

Fair

Over: BOGGY BAYOU

2.0 MI. S. OF LA 526, Caddo, LA

Built 1953 Load: 27.9 t ADT: 16,911

Springridge-Texas

Fair

Over: MILL CREEK

0.4 MI. EAST OF TEX, Caddo, LA

Built 1977 Load: 27.9 t ADT: 5,102

Keith-Hall Rd

Fair

Over: BUCHANAN BAYOU

0.2 MI. SOUTHOF PH. RD.22, Caddo, LA

Built 1998 Load: 27.9 t ADT: 95

Keithvil-Sprrdg Rd

Fair

Over: KHVL SPGRD6 RD,TRB BUCH

3.8 M.W.OLD MANSFIEL, Caddo, LA

Built 1975 Load: 27.9 t ADT: 140

MT ZION RD

Fair

Over: BRUSH BAYOU

0.6 MI WEST OF LINWOOD AV, Caddo, LA

Built 1988 Load: 27.9 t ADT: 3,127

MT ZION RD

Fair

Over: BRUSH BAYOU

0.6 MI WEST OF LINWOOD AV, Caddo, LA

Built 1979 Load: 27.9 t ADT: 2,828

Mooringsport-Latex

Fair

Over: GARDNER BAYOU

1.1 MI. EAST OF TEX.LINE, Caddo, LA

Built 1981 Load: 27.9 t ADT: 59

PATTON STREET

Fair

Over: D'INDE BAYOU

0.3 MI E OF LA 27, Calcasieu, LA

Built 2021 Load: 27.9 t ADT: 3,593

US0079

Fair

Over: BEAVER BRANCH

1.03 MI NORTH OF LA 9, Claiborne, LA

Built 1979 Load: 27.9 t ADT: 5,728

Lisbon Hebron Rd

Fair

Over: D'ARBONNE BAYOU TRIBUTAR

2.29 MI. S. OF LA 2, Claiborne, LA

Built 1986 Load: 27.9 t ADT: 90

LA0015

Fair

Over: CREEK

4.14 M S of LA 565, Concordia, LA

Built 2004 Load: 27.9 t ADT: 399

Old Hermitage Pkwy

Fair

Over: DRAIN CANAL

.25 MI E. OF GARDERE LN., East Baton Rouge, LA

Built 1979 Load: 27.9 t ADT: 1,572

Meadow Bend Dr

Fair

Over: DRAIN CANAL

.30 MI N. OF BURBANK BLVD, East Baton Rouge, LA

Built 1984 Load: 27.9 t ADT: 351

Jackson Rd

Fair

Over: LITTLE SANDY CREEK

5.5 MI.N.LA409, LA64, East Baton Rouge, LA

Built 1971 Load: 27.9 t ADT: 1,379

LA0148

Fair

Over: CREEK

4.53 MI SOUTH OF LA 34, Jackson, LA

Built 1978 Load: 27.9 t ADT: 318

LA1130

Fair

Over: DRAIN

.49 MI NORTH OF US 190, Jefferson Davis, LA

Built 1964 Load: 27.9 t ADT: 448

LA1019

Fair

Over: Canada Branch

0.4 miles west of LA 447, Livingston, LA

Built 1998 Load: 27.9 t ADT: 11,852

LA0153

Fair

Over: ANTOINE CREEK

9.55 MI. N OF INT LA9, Natchitoches, LA

Built 1977 Load: 27.9 t ADT: 609

A. TOUSSAINT BLVD

Fair

Over: BAYOU ST. JOHN

0.6 MI S OF LAKESHOR, Orleans, LA

Built 1963 Load: 27.9 t

US0071

Fair

Over: UP RAILROAD

.3 MI. N OF INT I-49, Rapides, LA

Built 1974 Load: 27.9 t ADT: 17,593

Turkey Creek Rd

Fair

Over: LITTLE SPRING CREEK

1.0 MILE EAST OF US 165, Rapides, LA

Built 1997 Load: 27.9 t ADT: 950

Plantation Rd

Fair

Over: BAYOU RAPIDES

1.84 MI. NORTH OF LA 496, Rapides, LA

Built 1992 Load: 27.9 t ADT: 1,340

Hooper Rd

Fair

Over: FLAGON BAYOU

0.76 MI. NORTH OF LA 3225, Rapides, LA

Built 1990 Load: 27.9 t ADT: 1,200

DEER CREEK DR

Fair

Over: 20 ARPENT CANAL

0.05 MI NE OF LA 39, St. Bernard, LA

Built 1985 Load: 27.9 t ADT: 880

OAK RIDGE BLVD

Fair

Over: 20 ARPENT CANAL

0.05 MI E OF LA 39, St. Bernard, LA

Built 1986 Load: 27.9 t ADT: 385

Veterans Blvd.

Fair

Over: CANAL

0.2 Mi S of Hickory St., St. Mary, LA

Built 1978 Load: 27.9 t ADT: 330

WINFRED RD

Fair

Over: COULEE

1.06 MI N. OF LA 92, Vermilion, LA

Built 2014 Load: 27.9 t ADT: 246

LA0342

Fair

Over: QUEUE DE TORTUE BAYOU

0.60 MI E. OF LA 35, Acadia, LA

Built 1953 Load: 28.1 t ADT: 1,075

LA0098

Fair

Over: BAYOU PLAQUEMINE BRULE

1.9 MI EAST OF LA 1110, Acadia, LA

Built 1956 Load: 28.1 t ADT: 994

LA0091

Fair

Over: CREEK

2.33 MI NORTH OF US 90, Acadia, LA

Built 1963 Load: 28.1 t ADT: 1,617

LA1008

Fair

Over: BAYOU LAFOURCHE

LA1008, Assumption, LA

Built 1952 Load: 28.1 t ADT: 3,279

LA0002

Fair

Over: MIDDLEFORK B.DARBONNE RL

3.0 MI EAST OF LA 152, Claiborne, LA

Built 1949 Load: 28.1 t ADT: 990

LA0002

Fair

Over: NICK CREEK

3.6 MI EAST OF LA 152, Claiborne, LA

Built 1949 Load: 28.1 t ADT: 990

Ellerslie Dr

Fair

Over: NORTHDALE CANAL

0.1 MI W of LA 3164, East Baton Rouge, LA

Built 1960 Load: 28.1 t ADT: 156

LA0019

Fair

Over: LITTLE COMITE RIVER

LA0019, East Feliciana, LA

Built 1951 Load: 28.1 t ADT: 3,188

LA0063

Fair

Over: MCQUINNEY BAYOU R

4.4 M NW of LA 37&LA 63, East Feliciana, LA

Built 1957 Load: 28.1 t ADT: 1,584

LA0115

Fair

Over: COCODRIE BAYOU

.74 MI NORTH OF LA 106, Evangeline, LA

Built 1957 Load: 28.1 t ADT: 711

Freeland Road

Fair

Over: Bayou

3.2 Mi N. of LA 102, Jefferson Davis, LA

Built 2017 Load: 28.1 t ADT: 50

LA0042

Fair

Over: TICKFAW RIVER

LA0042, Livingston, LA

Built 1962 Load: 28.1 t ADT: 4,071

LA0022

Fair

Over: AMITE DIVERSION CANAL

LA0022, Livingston, LA

Built 1960 Load: 28.1 t ADT: 8,068

OLD HWY 602

Fair

Over: MILL BAYOU

1.56 MI SOUTH OF I-20, Madison, LA

Built 1951 Load: 28.1 t ADT: 420

LA0142

Fair

Over: SHILD CREEK

.54 MI NORTH OF LA 543, Morehouse, LA

Built 1950 Load: 28.1 t ADT: 4,706

LA0183

Fair

Over: HURRICANE BAYOU

1.2 MI NORTH OF US 80, Richland, LA

Built 1950 Load: 28.1 t ADT: 1,467

US0171

Fair

Over: CHOCTAW BAYOU

1.1 MI. NORTH OF LA 174, Sabine, LA

Built 1962 Load: 28.1 t ADT: 4,790

LA0083

Fair

Over: IVANHOE CANAL

2.8 Mi EAST OF LA 319, St. Mary, LA

Built 1959 Load: 28.1 t ADT: 3,078

US0190

Fair

Over: BIG BRANCH

US0190, St. Tammany, LA

Built 1932 Load: 28.1 t ADT: 9,941

LA0433

Fair

Over: BAYOU BONFOUCA

LA0433, St. Tammany, LA

Built 1976 Load: 28.1 t ADT: 9,174

US0065

Fair

Over: BIG CHOCTAW BAYOU

.1 MI NORTH OF LA 896, Tensas, LA

Built 1959 Load: 28.1 t ADT: 1,247

Clarence Lege Rd

Fair

Over: MAREE MICHEL CANAL

0.5 Mi S of LA 14, Vermilion, LA

Built 1960 Load: 28.1 t ADT: 100

Showing 3,201-3,250 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.