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

ESPLANADE U-TURN

Good

Over: CANAL NO.2

0.01MI.S.OF.W.ESPLAN, Jefferson, LA

Built 1970 Load: 74.5 t ADT: 10,000

US0090

Good

Over: BAYOU BLUE

1.2 MILES NORTH OF US 90, Lafourche, LA

Built 1995 Load: 74.5 t ADT: 12,192

US0090

Good

Over: BAYOU BLUE

1.2 MILES SOUTH OF US 90, Lafourche, LA

Built 1995 Load: 74.5 t ADT: 12,192

US0165

Good

Over: LITTLE RIVER

LOCATED AT GRANT PARISH L, LaSalle, LA

Built 2008 Load: 74.5 t ADT: 4,538

US0165

Good

Over: COCKERHAM CREEK

0.55 MILES FROM GRANT PAR, LaSalle, LA

Built 2008 Load: 74.5 t ADT: 4,538

Terral St

Good

Over: CREEK

0.3 M W of LA 459, LaSalle, LA

Built 1984 Load: 74.5 t ADT: 250

Ash St. (Olla)

Good

Over: CREEK

LOG MI 0.37 FR ODE TO 001, LaSalle, LA

Built 2001 Load: 74.5 t ADT: 250

South Satsuma Rd

Good

Over: Canal

1.05 Mi. S of I-12, Livingston, LA

Built 2020 Load: 74.5 t ADT: 2,100

LA0016

Good

Over: DRAIN

2.0 MI NO. LA 1019 INTER., Livingston, LA

Built 1996 Load: 74.5 t ADT: 7,654

LA1025

Good

Over: CREEK

4.96 MILES EAST OF JCT LA, Livingston, LA

Built 2008 Load: 74.5 t ADT: 7,211

Hammack Rd

Good

Over: CREEK

7.4 MI S OF LS 447 EXIT, Livingston, LA

Built 1998 Load: 74.5 t ADT: 500

Perkins Rd

Good

Over: MOLAR BAYOU

10.5M NE OF 3002 EXIT, Livingston, LA

Built 1993 Load: 74.5 t ADT: 400

LA0478

Good

Over: BAYOU DEMUSE RELIEF

2.33 MI. WEST OF LA 117, Natchitoches, LA

Built 1996 Load: 74.5 t ADT: 60

LA0118

Good

Over: UNNAMED CREEK

1.9 MI. EAST LA 117, Natchitoches, LA

Built 1998 Load: 74.5 t ADT: 164

LA1221

Good

Over: WHITLOCK CREEK

0.29 MI. NORTH OF LA 120, Natchitoches, LA

Built 1993 Load: 74.5 t ADT: 96

LA1221

Good

Over: HASKIN CREEK

1.55 MI. NORTH OF LA 120, Natchitoches, LA

Built 1993 Load: 74.5 t ADT: 96

JOE HOLTON RD

Good

Over: BRANCH OF CLEAR CREEK

1.5 MILES SOUTH OF LA 34, Ouachita, LA

Built 2015 Load: 74.5 t ADT: 58

VOCATIONAL PARKWAY

Good

Over: PATRICK BAYOU

0.7 MILES WEST OF CAMP RO, Ouachita, LA

Built 2013 Load: 74.5 t ADT: 2,191

LA0015

Good

Over: HICKS CREEK

5.64 MI N of US 80, Ouachita, LA

Built 1998 Load: 74.5 t ADT: 6,512

LA0008

Good

Over: DRAIN

1.5 MI. EAST OF LA 119, Rapides, LA

Built 1996 Load: 74.5 t ADT: 1,456

LA0028

Good

Over: DRAIN

4.04 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: DRAIN

3.6 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: TIGER BAYOU

3.43 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: TIGER BAYOU

3.34 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: DRAIN

2.28 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: DRAIN

2.0 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: DRAIN

1.62 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: DRAIN

1.43 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

LA0028

Good

Over: DRAIN

0.69 MI. WEST OF LA 3054, Rapides, LA

Built 1997 Load: 74.5 t ADT: 9,482

O.M. Walker Rd

Good

Over: East Fork Creek

0.2 Mi. E of LA 183, Richland, LA

Built 2017 Load: 74.5 t ADT: 25

OAK ST

Good

Over: CREEK

0.53 MI. EAST OF US 171 B, Sabine, LA

Built 2010 Load: 74.5 t ADT: 760

LA0632

Good

Over: DRAIN CANAL

2.3 MILES SOUTH OF HWY 90, St. Charles, LA

Built 1990 Load: 74.5 t ADT: 1,297

US0090

Good

Over: DAVIS POND DIVERSION

3.0 MILES EAST OF LA 632, St. Charles, LA

Built 2002 Load: 74.5 t ADT: 25,051

R.O. Stewart

Good

Over: Joiner Creek

0.65 Mi. S. of LA 38, St. Helena, LA

Built 2018 Load: 74.5 t ADT: 133

Charlie Overton rd

Good

Over: Spring Creek

2.5 Mi. south of LA 1042, St. Helena, LA

Built 2018 Load: 74.5 t ADT: 285

Sharkey Rd

Good

Over: SPILLER BRANCH PIPE

0.5 NI N OF LA 1045, St. Helena, LA

Built 1998 Load: 74.5 t ADT: 120

LA0744

Good

Over: LITTLE BAYOU TECHE

0.89 MI E OF I-49, St. Landry, LA

Built 2001 Load: 74.5 t ADT: 1,336

CHRIST THE KING RD

Good

Over: BAYOU BOURDEAUX

0.72 Mi NE of LA 178, St. Landry, LA

Built 1987 Load: 74.5 t ADT: 400

Babineaux Rd

Good

Over: Drainage Canal

0.6 Mi N. of La 358, St. Landry, LA

Built 1987 Load: 74.5 t ADT: 210

Thomas Ave

Good

Over: Coulee Garrigue

1.5 Mi. SW of US 167, St. Landry, LA

Built 1994 Load: 74.5 t ADT: 125

US0090

Good

Over: CREEK

2.0 MI EAST OF LA 182, St. Mary, LA

Built 1964 Load: 74.5 t ADT: 9,896

US0090

Good

Over: CREEK

2.1 MI EAST OF LA 182, St. Mary, LA

Built 1964 Load: 74.5 t ADT: 7,885

US0090

Good

Over: CREEK

2.1 MI EAST OF LA 182, St. Mary, LA

Built 1964 Load: 74.5 t ADT: 10,035

Clipper Drive

Good

Over: S. Eden Isles Canal

0.5 Mi. E of US 11, St. Tammany, LA

Built 2019 Load: 74.5 t ADT: 2,433

LA0433

Good

Over: Salt Bayou

2.27 Mi. N. of US 90, St. Tammany, LA

Built 2019 Load: 74.5 t ADT: 4,240

Vitrano Rd

Good

Over: PONCHATOULA CREEK

ON VITRANO ROAD 0.20 MILE, Tangipahoa, LA

Built 2015 Load: 74.5 t ADT: 145

N. River Rd

Good

Over: CREEK

3.20 MILES NORTH OF LA. 1, Tangipahoa, LA

Built 2015 Load: 74.5 t ADT: 218

LA0568

Good

Over: VAN BUREN BAYOU

0.40 M N of LA 3024, Tensas, LA

Built 1995 Load: 74.5 t ADT: 329

LA0604

Good

Over: CREEK

1.10 M E of LA 605, Tensas, LA

Built 1962 Load: 74.5 t ADT: 1,151

LA3252

Good

Over: CHOCTAW BAYOU

LOG MI 3.20 FROM 24 TO 26, Tensas, LA

Built 1986 Load: 74.5 t ADT: 38

Showing 11,201-11,250 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.