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

LA0181

Good

Over: DITCH

2.7 MI. SOUTH OF US 71, Rapides, LA

Built 1992 Load: 34.0 t ADT: 739

MITCHINER RD

Good

Over: LITTLE COLEWA CREEK

4.1 MI W of LA 17, Richland, LA

Built 2009 Load: 34.0 t ADT: 175

BIG RIDGE RD

Good

Over: CREEK

1.8 MI E of LA 561, Richland, LA

Built 2011 Load: 34.0 t ADT: 100

SMALLING RD

Good

Over: CYPRESS CREEK

1.7 MI W of LA 183, Richland, LA

Built 2011 Load: 34.0 t ADT: 200

US0171

Good

Over: BAYOU SAN MIGUEL

0.96 MI. NORTH OF LA 120, Sabine, LA

Built 2002 Load: 34.0 t ADT: 5,192

US0171

Good

Over: MIDDLE RELIEF

1.24 MILES NORTH OF LA 12, Sabine, LA

Built 2002 Load: 34.0 t ADT: 5,192

MARIETTA DR

Good

Over: 20 ARPENT CANAL

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

Built 2015 Load: 34.0 t ADT: 516

THELMA ST

Good

Over: 20 ARPENT CANAL

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

Built 2015 Load: 34.0 t ADT: 195

Billeaux Road

Good

Over: Carencro Bayou

1.08 Miles E of LA 93, St. Landry, LA

Built 2018 Load: 34.0 t ADT: 680

Watercross Pkwy

Good

Over: Drain

0.1 Mi N of Ochsner Blvd, St. Tammany, LA

Built 2013 Load: 34.0 t ADT: 400

RICEVILLE RD

Good

Over: COULEE

2.3 MI. W. OF LA 91, Vermilion, LA

Built 2016 Load: 34.0 t ADT: 110

Juniper Rd

Good

Over: Sledge Canal

2.8 Mi E. of La 3093, Vermilion, LA

Built 2022 Load: 34.0 t ADT: 80

LA0008

Good

Over: COMRADE CREEK

5.3 MI. E OF E JCT. LA 46, Vernon, LA

Built 2012 Load: 34.0 t ADT: 5,978

DRAKES FORK RD

Good

Over: HORSE BRANCH TRIB

4.1 MILES SOUTH OF LA 10, Vernon, LA

Built 1992 Load: 34.0 t ADT: 360

Nursery Rd

Good

Over: TRIB TO BRUSHY CREEK

0.80 MILES EAST OF US 371, Webster, LA

Built 2011 Load: 34.0 t ADT: 435

Old Arcadia Rd

Good

Over: CROWS CREEK

4.2 MI E OF US 79, Webster, LA

Built 2010 Load: 34.0 t ADT: 263

LA0066

Good

Over: OPOSSUM HOLLOW CR

3.5 MILES W OF LA 969 ON, West Feliciana, LA

Built 2009 Load: 34.0 t ADT: 1,417

LA0066

Good

Over: BEAR CREEK

4.5 MI W OF LA 969, West Feliciana, LA

Built 2011 Load: 34.0 t ADT: 1,417

IRR BIA RTE 3004

Good

Over: TUNICA CREEK

2 KM S OF MARKSVILLE, LA, Avoyelles, LA

Built 1999 Load: 34.2 t ADT: 100

Fort Derussy Rd

Good

Over: JOHNSON BAYOU

0.49 MI. NE OF LA 1192, Avoyelles, LA

Built 2009 Load: 34.3 t ADT: 100

Regard Rd

Good

Over: BAYOU LACOMBE

MANSURA, REGARD ROAD, Avoyelles, LA

Built 2009 Load: 34.3 t ADT: 350

Helen's Crossing

Good

Over: BAYOU DES GLAISES

0.01 MI. EAST OF LA 451, Avoyelles, LA

Built 2003 Load: 34.3 t ADT: 300

Iron Bridge Rd

Good

Over: LEATHERMAN CREEK

1.2 MI W OF LA 157, Bienville, LA

Built 2013 Load: 34.3 t ADT: 80

Pine Grove Rd

Good

Over: MUDDY CREEK

0.2 MI. SOUTH OF LA 4, Bienville, LA

Built 2001 Load: 34.3 t ADT: 400

SOUTH LAKESHORE DR

Good

Over: TRIB. TO CROSS LAKE

1.1 MILES NORTHEAST OF I-, Caddo, LA

Built 2013 Load: 34.3 t ADT: 1,550

LA0506

Good

Over: CREEK

2.1 MI SE OF LA 849, Caldwell, LA

Built 2001 Load: 34.3 t ADT: 300

LA0082

Good

Over: CANAL

26.6 MI E of LA 27, Cameron, LA

Built 2001 Load: 34.3 t ADT: 2,899

LA0082

Good

Over: CANAL

26.7 MI E of LA 27, Cameron, LA

Built 2001 Load: 34.3 t ADT: 2,899

Old Arcadia Rd

Good

Over: CROWS CREEK

3.4 MI S OF LA 518, Claiborne, LA

Built 2010 Load: 34.3 t ADT: 265

I0010

Good

Over: WARD CREEK

.7 MILES EAST OF LA3064 (, East Baton Rouge, LA

Built 2013 Load: 34.3 t ADT: 137,960

Carson Rd

Good

Over: SANDY CREEK

1.0 MILES NORTHEAST OF MI, East Baton Rouge, LA

Built 2012 Load: 34.3 t ADT: 115

Woodlake Dr

Good

Over: JONES CREEK

0.4 MILE SOUTH OF S. HARR, East Baton Rouge, LA

Built 2014 Load: 34.3 t ADT: 3,740

Rogers Rd

Good

Over: THOMPSON CREEK

5.2 MILES WEST OF NORWOOD, East Feliciana, LA

Built 2010 Load: 34.3 t ADT: 200

River Rd

Good

Over: COLLINS CREEK

8.4 MI. E. CLINTON, East Feliciana, LA

Built 2003 Load: 34.3 t ADT: 86

LA0863

Good

Over: CREEK

2.0 MI EAST OF LA 4, Franklin, LA

Built 2001 Load: 34.3 t ADT: 449

MT. LAUREL DR

Good

Over: OAKWOOD CANAL

0.7M SOUTH OF LA 23, Jefferson, LA

Built 1992 Load: 34.3 t ADT: 1,000

Oaklawn Ave.

Good

Over: MINE BRANCH COULEE

.58 Mi W of LA 182, Lafayette, LA

Built 1970 Load: 34.3 t ADT: 500

LA0778

Good

Over: WEST PRONG HEMPHILL CREE

0.30 M W of LA 127, LaSalle, LA

Built 2001 Load: 34.3 t ADT: 1,622

LA0778

Good

Over: HEMPHILL CREEK

0.45 M E of LA 127, LaSalle, LA

Built 2001 Load: 34.3 t ADT: 1,622

E. KENTUCKY AVE

Good

Over: COLVIN CREEK

0.90 MILES EAST OF US 167, Lincoln, LA

Built 2015 Load: 34.3 t ADT: 375

Jack Rhodus Rd

Good

Over: CREEK

0.1 MILES WEST OF LA. 441, Livingston, LA

Built 2013 Load: 34.3 t ADT: 4

Cline Rd

Good

Over: CANAL

1.2 MILES WEST OF LA. 16, Livingston, LA

Built 2013 Load: 34.3 t ADT: 10

LA0441

Good

Over: CAT BRANCH

0.4 MI. SO. INTER. 12, Livingston, LA

Built 1998 Load: 34.3 t ADT: 4,270

LA1019

Good

Over: WEST COLYELL CREEK

4.1 M EAST OF JCT. LA 16, Livingston, LA

Built 2000 Load: 34.3 t ADT: 11,852

BURNS RD

Good

Over: SUTT BAYOU

13 MI W TALLULAH, Madison, LA

Built 1983 Load: 34.3 t ADT: 24

Kisatchie Falls Rd

Good

Over: KISATCHIE BAYOU

1.3 MI. NE OF LA 118, Natchitoches, LA

Built 2012 Load: 34.3 t ADT: 28

Harrison Ave

Good

Over: BAYOU ST JOHN

0.1 Mi. E. OF Wisner Blvd, Orleans, LA

Built 2011 Load: 34.3 t

Harrison Ave

Good

Over: BAYOU ST. JOHN

0.1 MILE EAST OF WISNER B, Orleans, LA

Built 2011 Load: 34.3 t

US0190

Good

Over: US 190 OVER SERE BAYOU

0.3 M E of LA 1, Pointe Coupee, LA

Built 2006 Load: 34.3 t ADT: 20,176

US0190

Good

Over: US 190 OVER SERE BAYOU

0.29 M E of LA 1 @ US 190, Pointe Coupee, LA

Built 2006 Load: 34.3 t ADT: 20,176

Showing 8,901-8,950 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.