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

US0084

Good

Over: DUGEMONA RIVER RELIEF

1.28 MI EAST JCT US 167, Winn, LA

Built 1996 Load: 42.6 t ADT: 4,317

US0084

Good

Over: PINEY WOODS CREEK

4.6 MI EAST OF LA 124, Winn, LA

Built 1998 Load: 42.6 t ADT: 891

US0084

Good

Over: LITTLE POLE LOG CREEK

5.94 MI. EASTOF LA 124, Winn, LA

Built 1998 Load: 42.6 t ADT: 891

US0084

Good

Over: POPE CREEK

9.2 MI EAST OF LA 124, Winn, LA

Built 1998 Load: 42.6 t ADT: 891

US0167

Good

Over: PORT DELUCE CREEK

0.25M S OF INT OF 167&501, Winn, LA

Built 1991 Load: 42.6 t ADT: 8,727

US0080

Good

Over: CROSS BAYOU RELIEF

1.89 MI E OF TEXAS LINE, Caddo, LA

Built 2016 Load: 42.8 t ADT: 3,924

GLEN LEAF DRIVE

Good

Over: TRIB TO GILMER BAYOU

0.2 MI. SOUTH OF LA 511, Caddo, LA

Built 2007 Load: 42.8 t ADT: 900

HORRIDGE STREET

Good

Over: HAMPTON COULEE

0.5 MI N OF US 90, Calcasieu, LA

Built 2020 Load: 42.8 t ADT: 1,118

FIREWOOD DR

Good

Over: KNOX BRANCH

0.4 MI W OF O'NEAL LN, East Baton Rouge, LA

Built 2018 Load: 42.8 t ADT: 1,600

MANHATTAN BLVD

Good

Over: BAYOU FATMA

0.5 M S OF LAPALCO BLVD, Jefferson, LA

Built 1990 Load: 42.8 t ADT: 9,700

Ayreshire Dr.

Good

Over: Rena Coulee

0.03 MI N of Rena Dr, Lafayette, LA

Built 2012 Load: 42.8 t ADT: 4,092

LA0726

Good

Over: COULEE BEAU

0.5 MI EAST OF LA 182, Lafayette, LA

Built 2005 Load: 42.8 t ADT: 13,175

STROZIER RD

Good

Over: STROZIER CREEK

4 MI N. CHENIERE, Ouachita, LA

Built 1985 Load: 42.8 t ADT: 650

LA0121

Good

Over: YELLOW DOG BRANCH

0.6 MILES WEST OF LA 28, Vernon, LA

Built 2015 Load: 42.8 t ADT: 1,700

LA0060

Good

Over: DRAIN

6.0M EAST LA 16 @ ENON, Washington, LA

Built 1993 Load: 42.8 t ADT: 749

Carter Crossing

Good

Over: DUGDEMONA RIVER

1.18 MILES NORTH OF LA 50, Winn, LA

Built 2014 Load: 42.8 t ADT: 380

KEITHVIL-SPRRDG RD

Good

Over: BUCHANAN BAYOU

3.44 MI E OF LA 525, Caddo, LA

Built 2019 Load: 43.1 t ADT: 140

KTHVL-SPRINGRIDGE

Good

Over: BUCHANAN BAYOU

0.7 MI W OF US 171, Caddo, LA

Built 2021 Load: 43.1 t ADT: 140

LINWOOD AVENUE

Good

Over: BOGGY BAYOU

3.0 MI S OF LA 526, Caddo, LA

Built 2021 Load: 43.1 t ADT: 4,925

BUNCOMBE ROAD

Good

Over: TRIB BOGGY BAYOU

2.8 Mi E of US 79, Caddo, LA

Built 2022 Load: 43.1 t ADT: 100

BIG WOODS ROAD

Good

Over: COON GULLY

5.3 MI N OF LA 3063, Calcasieu, LA

Built 2022 Load: 43.1 t ADT: 1,152

Anding Heights Rd

Good

Over: HURRICANE CREEK

0.1 MI E OF US 165, Caldwell, LA

Built 1996 Load: 43.1 t ADT: 840

LITTLE CHENIER RD

Good

Over: LITTLE CHENIER BAYOU

2.0 MI E OF LA 27, Cameron, LA

Built 2021 Load: 43.1 t ADT: 800

Passman Rd

Good

Over: CREEK

0.4 M S of BOGGY BAYOU RD, Concordia, LA

Built 2006 Load: 43.1 t ADT: 150

Morvant Rd

Good

Over: DRAINAGE BAYOU

0.7 MI OF LA 3006, East Baton Rouge, LA

Built 2016 Load: 43.1 t ADT: 994

Morvant Rd

Good

Over: DRAINAGE BAYOU

0.30 MI S OF LA 3006, East Baton Rouge, LA

Built 2017 Load: 43.1 t ADT: 994

Navy Rd.

Good

Over: DURALDE BAYOU

0.50 Mi N of La 374, Evangeline, LA

Built 2004 Load: 43.1 t ADT: 110

Facile Rd

Good

Over: Coulee Ile Des Cannes

0.2 M. South Jenkins Rd, Lafayette, LA

Built 2019 Load: 43.1 t ADT: 442

S. Larriviere Rd.

Good

Over: LA SALLE COULEE

0.08 Mi S of LA 92, Lafayette, LA

Built 2005 Load: 43.1 t ADT: 766

Old Maurice Rd.

Good

Over: MINE COULEE

0.1 Mi NE of Vital Street, Lafayette, LA

Built 1974 Load: 43.1 t ADT: 760

Tiger Dr

Good

Over: BAYOU LAFOURCHE

0.1 MI. E. OF LA 1, Lafourche, LA

Built 2015 Load: 43.1 t ADT: 6,806

LA 15

Good

Over: Boeuf River

7 Mi S of Ouachita PL, Richland, LA

Built 2023 Load: 43.1 t ADT: 2,650

VERONICA DR.

Good

Over: 20 ARPENT CANAL

0.3 MI N OF LA 39, St. Bernard, LA

Built 2014 Load: 43.1 t ADT: 300

LA0360

Good

Over: Bayou Rouge

4.1 Mi. N. of La 10, St. Landry, LA

Built 2022 Load: 43.1 t ADT: 1,000

FAIRGROUND RD

Good

Over: MILE BRANCH

0.3 NORTH OF LA 25, Washington, LA

Built 2005 Load: 43.1 t ADT: 501

John Broussard Rd

Good

Over: WELCH GULLEY

1.3 Mi N of LA 42, Ascension, LA

Built 2000 Load: 43.4 t ADT: 150

Little River Rd

Good

Over: Bayou Rouge

0.67 M E of La 1190, Avoyelles, LA

Built 2020 Load: 43.4 t ADT: 450

E. Bryant Rd

Good

Over: Horsepen Creek

2.78 M N of La 115, Avoyelles, LA

Built 2020 Load: 43.4 t ADT: 75

Guillot Road

Good

Over: Prairie Bayou

1.9 Mi E of LA 115, Avoyelles, LA

Built 2023 Load: 43.4 t ADT: 25

Crouch Rd

Good

Over: White Oak Branch

2.7 MILES SOUTH OF LA HIG, Bossier, LA

Built 2009 Load: 43.4 t ADT: 1,200

I0049

Good

Over: PINEHILL RD

0.82 MI SOUTH OF LA 1, Caddo, LA

Built 2016 Load: 43.4 t ADT: 51,551

I0049

Good

Over: PINEHILL RD

0.82 MI SOUTH OF LA 1, Caddo, LA

Built 2016 Load: 43.4 t ADT: 6,846

Leonard Rd.

Good

Over: Creek

1.0 Mi. W of LA 1, Caddo, LA

Built 2023 Load: 43.4 t ADT: 3,900

Keitchie-Marshall

Good

Over: Little Creek

1.1 Mi. West of LA 169, Caddo, LA

Built 2023 Load: 43.4 t ADT: 59

LA 12

Good

Over: WASH OUT SLOUGH

2.2 MI W OF TEXAS LINE, Calcasieu, LA

Built 2023 Load: 43.4 t ADT: 4,600

LA 12

Good

Over: HURSEY SLOUGH

3.0 MI E OF TEXAS LINE, Calcasieu, LA

Built 2023 Load: 43.4 t ADT: 4,600

LA 12

Good

Over: ASHWORTH SLOUGH

3.2 MI E OF TEXAS LINE, Calcasieu, LA

Built 2023 Load: 43.4 t ADT: 4,600

LA0518

Good

Over: BEAR CREEK

4.79 MI. W. OF LA 154, Claiborne, LA

Built 2013 Load: 43.4 t ADT: 467

Rogers Field Rd

Good

Over: Clement Creek

1.5 Mi. S. of US 84, De Soto, LA

Built 2020 Load: 43.4 t ADT: 50

MOUNCE ROAD

Good

Over: GRAND CANE BAYOU

0.5 MI W OF BLUNT MILL RD, De Soto, LA

Built 2020 Load: 43.4 t ADT: 225

Showing 10,351-10,400 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.