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

Maryview Farm Rd

Fair

Over: MANOR PARK COULEE

1.15 Mi NE of I-10, Lafayette, LA

Built 1986 Load: 36.9 t ADT: 340

St. Claire Rd.

Fair

Over: ST. CLAIR BAYOU

1.4 Mi W of Sawmill Hwy, Lafayette, LA

Built 1986 Load: 36.9 t ADT: 720

LA0146

Fair

Over: SUGAR CREEK

3.13 MILES WEST OF LA 545, Lincoln, LA

Built 2011 Load: 36.9 t ADT: 1,360

PRAIRIE DEBUTTE RD

Fair

Over: BAYOU DEBUTTE

0.7 MI W of LA 593, Morehouse, LA

Built 1997 Load: 36.9 t ADT: 180

LA0557

Fair

Over: BAYOU LAPINE

1.09 MI SOUTH OF LA 34, Ouachita, LA

Built 2002 Load: 36.9 t ADT: 3,528

RED CUT RD

Fair

Over: DRAIN INTO LAPINE BAYOU

.3 MI NE INT. 63, Ouachita, LA

Built 1985 Load: 36.9 t ADT: 354

St. Andrews Blvd.

Fair

Over: CANAL

1.6 MILES EAST OF LA 3188, St. John the Baptist, LA

Built 1997 Load: 36.9 t ADT: 300

St. Andrews Blvd.

Fair

Over: CANAL

1.6 MILES EAST OF LA 3188, St. John the Baptist, LA

Built 1997 Load: 36.9 t ADT: 300

US0167

Fair

Over: CREEK

1.0 MI. S OF LA 9, Union, LA

Built 2012 Load: 36.9 t ADT: 422

Leggitt Crossing

Fair

Over: LYON BAYOU

0.8 MI E of LA 588, West Carroll, LA

Built 1997 Load: 36.9 t ADT: 425

LA0013

Fair

Over: STREETS & R.R. TRACKS

.01 MI SOUTH OF US 90, Acadia, LA

Built 1982 Load: 37.2 t ADT: 7,361

LA0026

Fair

Over: OUISKA CHITTO CK.

4.22 MI. E OF INT LA377, Allen, LA

Built 1975 Load: 37.2 t ADT: 2,151

LA1152

Fair

Over: CREEK

0.7 MI W OF US 165, Allen, LA

Built 1970 Load: 37.2 t ADT: 511

LA0308

Fair

Over: BAYOU VALANCE

0.20 MI N JCT LA 1011, Assumption, LA

Built 1982 Load: 37.2 t ADT: 4,729

LA0403

Fair

Over: BAYOU LAFOURCHE

0.01 Mi E of LA 1, Assumption, LA

Built 1972 Load: 37.2 t ADT: 347

LA0402

Fair

Over: BAYOU ST;VINCENT.

2.8 M SE of LA 1&LA 70, Assumption, LA

Built 1980 Load: 37.2 t ADT: 174

LA0012

Fair

Over: BECKWITH CREEK

4.2 MI E of LA 27, Beauregard, LA

Built 1961 Load: 37.2 t ADT: 4,041

LA0012

Fair

Over: HICKORY BRANCH

3.2 MI W of US 171, Beauregard, LA

Built 1993 Load: 37.2 t ADT: 3,530

LA0394

Fair

Over: CREEK

8.77 MI. E OF US171, Beauregard, LA

Built 1973 Load: 37.2 t ADT: 490

LA0110

Fair

Over: CREEK

1.8 MI W OIF US 171, Beauregard, LA

Built 1948 Load: 37.2 t ADT: 2,079

LA0147

Fair

Over: DRAIN

5.6 MI NORTH OF LA 155, Bienville, LA

Built 1980 Load: 37.2 t ADT: 1,988

LA0147

Fair

Over: DRAIN

1.97 MI WEST OF LA 815, Bienville, LA

Built 1980 Load: 37.2 t ADT: 1,988

LA0508

Fair

Over: HURRICANE CREEK

0.3 MI EAST OF LA 507, Bienville, LA

Built 1979 Load: 37.2 t ADT: 475

LA0516

Fair

Over: KEPLER CREEK

5.50 MI EAST OF LA 154, Bienville, LA

Built 1980 Load: 37.2 t ADT: 178

US0071

Fair

Over: LOGGY BAYOU

.75 MI SOUTH OF LA 515, Bossier, LA

Built 1990 Load: 37.2 t ADT: 816

LA0157

Fair

Over: FOX SKIN BAYOU

0.1 MI SOUTH OF LA 614, Bossier, LA

Built 1979 Load: 37.2 t ADT: 5,436

I0220

Fair

Over: ST.LOUIS-S.W.R.R.

2.51 MI EAST OF LA 3049, Bossier, LA

Built 1978 Load: 37.2 t ADT: 13,700

LA0537

Fair

Over: DRY BAYOU

2.43 MI NORTH OF LA 2, Bossier, LA

Built 1983 Load: 37.2 t ADT: 21

LA0537

Fair

Over: FLOAT CANAL

3.33 MI NORTH OF LA 2, Bossier, LA

Built 1983 Load: 37.2 t ADT: 21

LA3049

Fair

Over: CREEK

4.7 MI NORTH OF LA 169, Caddo, LA

Built 1978 Load: 37.2 t ADT: 399

LA3049

Fair

Over: HORSE SHOE BAYOU

.8 MI NORTH OF LA 530, Caddo, LA

Built 1978 Load: 37.2 t ADT: 399

LA3132

Fair

Over: BRUSH BAYOU

1.1 MI. E. OF US 171, Caddo, LA

Built 1979 Load: 37.2 t ADT: 53,886

I0020

Fair

Over: CROSS BAYOU

3.04 MI WEST OF LA 169, Caddo, LA

Built 1964 Load: 37.2 t ADT: 98,318

I0020

Fair

Over: CROSS BAYOU

3.04 MI WEST OF LA 169, Caddo, LA

Built 1964 Load: 37.2 t ADT: 98,318

I0049

Fair

Over: HOLLYWOOD AVENUE

0.9 M. N. OF LA 511, Caddo, LA

Built 1993 Load: 37.2 t ADT: 87,568

LA3059

Fair

Over: BURT BAYOU

4.8 MI E of US 171, Calcasieu, LA

Built 1976 Load: 37.2 t ADT: 2,383

I0010

Fair

Over: HAMPTONS COULEE

0.08 MI N OF I-10 WB, Calcasieu, LA

Built 1966 Load: 37.2 t ADT: 3,799

LA0126

Fair

Over: CREEK

2.0 MI EAST OF LA 3239, Caldwell, LA

Built 1971 Load: 37.2 t ADT: 1,092

LA0161

Fair

Over: LITTLE CORNEY BAYOU RELF

3.73 MI EAST OF LA 2 ALT, Claiborne, LA

Built 1980 Load: 37.2 t ADT: 836

LA0146

Fair

Over: SUGAR CREEK RELIEF

1.0 MI EAST OF LA 533, Claiborne, LA

Built 1979 Load: 37.2 t ADT: 1,360

LA3062

Fair

Over: DRAIN

.19 MI SOUTH OF LA 2, Claiborne, LA

Built 1975 Load: 37.2 t ADT: 1,619

LA3062

Fair

Over: BEAVER BRANCH

0.25 MI West of US 79, Claiborne, LA

Built 1975 Load: 37.2 t ADT: 1,619

LA0518

Fair

Over: WALKER CREEK RELIEF

.53 MI EAST OF LA 9, Claiborne, LA

Built 1981 Load: 37.2 t ADT: 622

LA0518

Fair

Over: WALKER CREEK BRIDGE

.56 MI EAST OF LA 9, Claiborne, LA

Built 1981 Load: 37.2 t ADT: 622

LA0534

Fair

Over: BRANCH

1.0 MI SOUTH OF LA 2, Claiborne, LA

Built 1982 Load: 37.2 t ADT: 135

LA0534

Fair

Over: CREEK

2.5 MI NORTH OF LA 534-S, Claiborne, LA

Built 1971 Load: 37.2 t ADT: 118

LA3015

Fair

Over: DRAIN

1.89 MI EAST OF LA 5, De Soto, LA

Built 1972 Load: 37.2 t ADT: 1,157

LA3015

Fair

Over: BAYOU GRAND CANE

7.7 MI EAST OF LA 5, De Soto, LA

Built 1977 Load: 37.2 t ADT: 581

LA3015

Fair

Over: BAYOU GRAND CANE RELIEF

7.75 MI EAST OF LA 5, De Soto, LA

Built 1977 Load: 37.2 t ADT: 581

LA3015

Fair

Over: COOK CREEK

8.36 MI EAST OF LA 5, De Soto, LA

Built 1977 Load: 37.2 t ADT: 581

Showing 4,951-5,000 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.