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

NICOLLE BLVD

Good

Over: MAIN CANAL

1.4M SOUTH OF LAPALCO BLV, Jefferson, LA

Built 1992 Load: 30.8 t ADT: 1,000

Eraste Landry Rd.

Good

Over: Ile Des Cannes Bayou

0.40 MI E of LA 93, Lafayette, LA

Built 2008 Load: 30.8 t ADT: 7,088

St. Esprit Rd.

Good

Over: COULEE

1.60 Mi E of I-49, Lafayette, LA

Built 2013 Load: 30.8 t ADT: 1,188

Camellia Blvd.

Good

Over: VERMILION RIVER

0.9 MI S. of US 167, Lafayette, LA

Built 2003 Load: 30.8 t ADT: 13,385

Cajundome Blvd.

Good

Over: CREEK

0.62 OF MI. W. OF US 167, Lafayette, LA

Built 1981 Load: 30.8 t ADT: 2,360

LA0127

Good

Over: CHICKASAW CREEK

01.44 MILES SOUTHEAST OF, LaSalle, LA

Built 2005 Load: 30.8 t ADT: 3,888

LA0127

Good

Over: CREEK

01.34 MILES SOUTHEAST OF, LaSalle, LA

Built 2005 Load: 30.8 t ADT: 3,888

Eaves Rd

Good

Over: W. Branch of Dugdemona

1.2 Mi. W. of LA 507, Lincoln, LA

Built 2021 Load: 30.8 t ADT: 250

Walnut Creek Rd

Good

Over: Walnut Creek

2.6 Miles NW of LA 507, Lincoln, LA

Built 2021 Load: 30.8 t ADT: 250

US0090

Good

Over: EAST SERVICE ROAD

.56 MI SOUTH OF I-10, Orleans, LA

Built 1994 Load: 30.8 t ADT: 7,620

HORACE ST

Good

Over: MAGELLAN CANAL

0.1 MI. N. OF WALL BLVD., Orleans, LA

Built 1988 Load: 30.8 t ADT: 400

ODEON ST

Good

Over: MAGELLAN CANAL

0.1 MI. N. OF WALL BLVD., Orleans, LA

Built 1988 Load: 30.8 t ADT: 400

FARRAGUT ST

Good

Over: MAGELLAN CANAL

0.4 MI N OF GEN. DEGAULLE, Orleans, LA

Built 1988 Load: 30.8 t ADT: 400

NUMA ST

Good

Over: MAGELLAN CANAL

0.4 MI N OF GEN. DEGAULLE, Orleans, LA

Built 1988 Load: 30.8 t ADT: 400

CASA CALVO ST

Good

Over: MAGELLAN CANAL

0.5 M N OF DEGAULLE AVE, Orleans, LA

Built 1990 Load: 30.8 t ADT: 400

I0049

Good

Over: HILL BAYOU

3.09 MI. NORTH OF LA 3250, Rapides, LA

Built 1995 Load: 30.8 t ADT: 53,224

Bennetts Bay Rd

Good

Over: HURRICANE CREEK

2.07 M. S. OF BLUE LAKE R, Rapides, LA

Built 2001 Load: 30.8 t ADT: 100

Brookwood Dr

Good

Over: BAYOU CLEAR

0.01 MI. WEST OF US 165, Rapides, LA

Built 1994 Load: 30.8 t ADT: 150

I0049

Good

Over: HORSESHOE CANAL

0.03 MI. N. OF LA 1208-1, Rapides, LA

Built 1993 Load: 30.8 t ADT: 6,767

MARTHAVILLE RD

Good

Over: HARPOON BAYOU

MARTHAVILLE ROAD, Sabine, LA

Built 1999 Load: 30.8 t ADT: 350

KAREN DR

Good

Over: 20 ARPENT CANAL

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

Built 2013 Load: 30.8 t ADT: 198

I0310

Good

Over: M P RR

.05 MI SOUTH OF LA 18, St. Charles, LA

Built 1979 Load: 30.8 t ADT: 15,642

US0190

Good

Over: SLOW BAYOU E.B.

5.02 MI EAST OF LA 741, St. Landry, LA

Built 2004 Load: 30.8 t ADT: 13,476

US0190

Good

Over: SLOW BAYOU W.B.

3.00 Mi W of US 71, St. Landry, LA

Built 2005 Load: 30.8 t ADT: 20,176

McElveen Rd

Good

Over: HOPE BRANCH

1.3 MILES NORTHWEST OF JC, Tangipahoa, LA

Built 2011 Load: 30.8 t ADT: 250

I0055

Good

Over: ON RAMP SOUTH US 51

9.9 M S OF LA 22, Tangipahoa, LA

Built 1979 Load: 30.8 t ADT: 8,115

BLACKMON RD

Good

Over: SIX MILE CREEK

0.7 M. SW OF LA 377, Vernon, LA

Built 2002 Load: 30.8 t ADT: 150

COOPER CHURCH RD

Good

Over: CASTOR BAYOU

3.97 M. W. OF US 171, Vernon, LA

Built 2003 Load: 30.8 t ADT: 200

LA0025

Good

Over: DRAIN

1.7 M N OF LA 38, Washington, LA

Built 1963 Load: 30.8 t ADT: 2,272

Shelby Booty Rd

Good

Over: LITTLE SILVER CREEK

0.39 MI NORTH OF LA 1056, Washington, LA

Built 2004 Load: 30.8 t ADT: 375

Max Brumfield Rd

Good

Over: BRIDGE OVER HAY'S CREEK

0.4 MI W. OF PARISH RD 39, Washington, LA

Built 2005 Load: 30.8 t ADT: 227

Catfish House

Good

Over: WOLF CREEK

2.94 MI. NW OF LA 499, Winn, LA

Built 2004 Load: 30.8 t ADT: 130

LA0013

Good

Over: BAYOU PLAQUEMINE

0.9 MILES NORTH OF I-10, Acadia, LA

Built 2008 Load: 31.1 t ADT: 9,371

Bon Terre Blvd

Good

Over: NEW RIVER BAYOU

1.5 MI E I-10-LA 429 JCT, Ascension, LA

Built 1988 Load: 31.1 t ADT: 75

OLD RIVER RD

Good

Over: CANEY CREEK RELIEF

1.8 MI SOUTH OF LA 389, Beauregard, LA

Built 2005 Load: 31.1 t ADT: 70

Danville Rd

Good

Over: DUKEDALL CREEK

3.5 MI. E OF LA 155, Bienville, LA

Built 2006 Load: 31.1 t ADT: 100

LA0082

Good

Over: CANAL

18.7 MI W OF LA3147, Cameron, LA

Built 2002 Load: 31.1 t ADT: 2,899

LA0002

Good

Over: DRAIN

3.34 MI EAST OF JCT LA9, Claiborne, LA

Built 2012 Load: 31.1 t ADT: 2,020

Camp Hardtner Rd

Good

Over: Carson Branch

5.6 M. S. OF JCT. US 165, Grant, LA

Built 2011 Load: 31.1 t ADT: 100

West Napoleon Ave

Good

Over: Soniat Canal

1.3 MI E OF WILLIAMS BLVD, Jefferson, LA

Built 2005 Load: 31.1 t ADT: 21,463

West Napoleon Ave

Good

Over: Soniat Canal

0.06 mi W of David Drive, Jefferson, LA

Built 2005 Load: 31.1 t ADT: 24,341

PATRIOT ST

Good

Over: DRAIN CANAL

0.2 MI E. OF BARATARIA, Jefferson, LA

Built 1970 Load: 31.1 t ADT: 250

W. Canal Dr.

Good

Over: ELMWOOD CANAL

0.4 Mi N of Veterans BLVD, Jefferson, LA

Built 1999 Load: 31.1 t

LA0343

Good

Over: HWY 343 OVER CREEK

0.49 MI S LA 342, Lafayette, LA

Built 2012 Load: 31.1 t ADT: 3,340

Bruce St

Good

Over: ACADIANA CANAL

.08 Mi E of Raymond St, Lafayette, LA

Built 2012 Load: 31.1 t ADT: 436

Stump Rd

Good

Over: STUMP ROAD CREEK

0.1 Mi N of McClendon Ln, LaSalle, LA

Built 2006 Load: 31.1 t ADT: 200

Linder Road

Good

Over: Canal

0.1 MI. N. of LA 1026, Livingston, LA

Built 2020 Load: 31.1 t ADT: 3,615

Hart Rd

Good

Over: BAYOU BOURBEAUX

0.01 MILES NORTH OF LA 48, Natchitoches, LA

Built 2010 Load: 31.1 t ADT: 309

EARHART BLVD EB

Good

Over: EARHART BLVD @ WASH. CAN

.2 MI EAST JEFF DAVIS PKW, Orleans, LA

Built 2005 Load: 31.1 t

EARHART BLVD WB

Good

Over: EARHART BLVD @ WASH. CAN

.2 MI EAST JEFF DAVIS PKW, Orleans, LA

Built 2005 Load: 31.1 t

Showing 7,701-7,750 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.