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

S BEARHEAD RD

Fair

Over: BEARHEAD CREEK

1.3 MI E. OF LA 109, Beauregard, LA

Built 1983 Load: 36.0 t ADT: 25

CLYDE FANT PKWY

Fair

Over: STONER AVENUE

0.9 MI. N OF LA 3032, Caddo, LA

Built 1974 Load: 36.0 t ADT: 10,602

Bank St

Fair

Over: DRAIN CREEK

.2 MILES W OF LA 67 & KER, East Feliciana, LA

Built 2008 Load: 36.0 t ADT: 535

US0165

Fair

Over: GUM BAYOU

0.8 MI. S OF LA 3086, Jefferson Davis, LA

Built 2008 Load: 36.0 t ADT: 8,453

ADAMS RD.

Fair

Over: LITTLE MARSH BAYOU

1.5 MI E of TOPSY BELL RD, Jefferson Davis, LA

Built 1999 Load: 36.0 t ADT: 100

N. Church St.

Fair

Over: Coulee

.13 MI N of E St Peter St, Lafayette, LA

Built 1995 Load: 36.0 t ADT: 13,800

US0167

Fair

Over: CREEK

7.35 MI N of US 80, Lincoln, LA

Built 2008 Load: 36.0 t ADT: 422

US0167

Fair

Over: CREEK

7.35 MI N of US 80, Lincoln, LA

Built 2008 Load: 36.0 t ADT: 2,487

BONNER ST

Fair

Over: KCS RAILROAD

BONNER ST/ RUSTON, Lincoln, LA

Built 2004 Load: 36.0 t ADT: 6,200

Morrison Rd

Fair

Over: DRAINAGE CANAL

.8 MI SE OF LA 47, Orleans, LA

Built 1975 Load: 36.0 t

BREARD ST

Fair

Over: DRAINAGE DITCH

BREARD ST. MONROE LA, Ouachita, LA

Built 1970 Load: 36.0 t ADT: 2,000

Briar Patch Cemt

Fair

Over: COOPER CREEK

2.2 MI NE OF JCT 40 &1062, Tangipahoa, LA

Built 2006 Load: 36.0 t ADT: 639

US0167

Fair

Over: MIDDLE FORK BAYOU

2.0 MI. NORTH OF LA 545, Union, LA

Built 2012 Load: 36.0 t ADT: 422

US0167

Fair

Over: MIDDLE FORK RELIEF

2.38 MI. NORTH OF LA 545, Union, LA

Built 2012 Load: 36.0 t ADT: 422

US0167

Fair

Over: CORNEY BAYOU RELIEF

2.08 MI. SOUTH OF LA 15, Union, LA

Built 2012 Load: 36.0 t ADT: 422

US0167

Fair

Over: JENK'S BRANCH

1.34 MI. NORTH OF LA 15, Union, LA

Built 2012 Load: 36.0 t ADT: 422

I0010-E

Fair

Over: Plant Rd

7.5 MI EAST OF LA 97, Acadia, LA

Built 1961 Load: 36.3 t ADT: 48,502

US 190

Fair

Over: SLOUGH

8.6 MI. E OF LA 113, Allen, LA

Built 1976 Load: 36.3 t ADT: 2,958

CARPENTERS BRDG RD

Fair

Over: PERRY CREEK

7.0 MI N of US 190, Allen, LA

Built 2000 Load: 36.3 t ADT: 100

DESHOTEL RD

Fair

Over: GUM BRANCH

3.4 MI EAST OF US 165, Allen, LA

Built 1985 Load: 36.3 t ADT: 32

TEN MILE RD

Fair

Over: TEN MILE CREEK

2.0 MI NORTH OF LA 26, Allen, LA

Built 2008 Load: 36.3 t ADT: 150

LA0431

Fair

Over: LAKE VILLAR

0.92 MI S of LA 42, Ascension, LA

Built 1983 Load: 36.3 t ADT: 9,608

LA0001

Fair

Over: KCS RR & DR T DOO'S RD

0.14 MI. NORTH OF LA 1186, Avoyelles, LA

Built 1971 Load: 36.3 t ADT: 4,686

LA0115

Fair

Over: DIVERSION CANAL

1.36 MI. WEST OF LA 1176, Avoyelles, LA

Built 1950 Load: 36.3 t ADT: 1,830

NICHOLS SIBLEY RD

Fair

Over: TROUT CREEK

0.4 MI S of US 190, Beauregard, LA

Built 2005 Load: 36.3 t ADT: 200

LA0147

Fair

Over: CREEK

0.9 MI WEST OF LA 9, Bienville, LA

Built 1979 Load: 36.3 t ADT: 1,988

LA0154

Fair

Over: BLACK LAKE BAYOU

3.15 MI EAST OF LA 792, Bienville, LA

Built 1979 Load: 36.3 t ADT: 856

US0171

Fair

Over: MISSOURI PACIFIC RAILROA

0.7 MI. S. OF LA 511, Caddo, LA

Built 1986 Load: 36.3 t ADT: 16,911

I0020

Fair

Over: KINGS HWY & PORTLAND AVE

.3 MI EAST OF US 71, Caddo, LA

Built 1965 Load: 36.3 t ADT: 98,318

I0049

Fair

Over: KCS/T&P RR

1.81M NORTH OF LA 526 INT, Caddo, LA

Built 1991 Load: 36.3 t ADT: 87,567

CLYDE FANT PKWY

Fair

Over: STONER AVE

0.9 MI. NO.OF LA 303, Caddo, LA

Built 1974 Load: 36.3 t ADT: 7,678

I0210

Fair

Over: UPRR

.2 MI EAST OF US 90, Calcasieu, LA

Built 1977 Load: 36.3 t ADT: 3,857

LA0808

Fair

Over: CREEK

2.1 MI NORTH OF LA 615, Claiborne, LA

Built 1977 Load: 36.3 t ADT: 123

LA0518

Fair

Over: BLACK LAKE BAYOU

2.9 MI EAST OF US 79, Claiborne, LA

Built 1981 Load: 36.3 t ADT: 467

LA0518

Fair

Over: DRAIN

2.97 MI EAST OF US 79, Claiborne, LA

Built 1981 Load: 36.3 t ADT: 467

LA0540

Fair

Over: BEAVER BRANCH

.92 MI WEST OF US 79, Claiborne, LA

Built 1978 Load: 36.3 t ADT: 888

US0171

Fair

Over: WALLACE CREEK

1.6 MI. S. OF LA 3015, De Soto, LA

Built 2003 Load: 36.3 t ADT: 6,604

LA0764

Fair

Over: MIM SPRINGS

1.14 MI NORTH OF US 84, De Soto, LA

Built 1974 Load: 36.3 t ADT: 1,933

LA0946

Fair

Over: HURRICANE CREEK

2.04M NORTH OF LA 37, East Baton Rouge, LA

Built 1992 Load: 36.3 t ADT: 11,578

LA0946

Fair

Over: ROBERTS CANAL

5.46M NORTH OF LA 37, East Baton Rouge, LA

Built 1992 Load: 36.3 t ADT: 11,578

LA0946

Fair

Over: JONES BAYOU

9.95M NORTH OF LA 37, East Baton Rouge, LA

Built 1992 Load: 36.3 t ADT: 11,578

CC CAMP RD

Fair

Over: DRAIN TO CASTER CREEK

.4 MI. S.E. INT. RT. 193, Jackson, LA

Built 1986 Load: 36.3 t ADT: 48

31st St

Fair

Over: DUNCAN CANAL

1.2 MI. E. OF LOYOLA, Jefferson, LA

Built 2004 Load: 36.3 t

CHAISSON ROAD

Fair

Over: EAST BAYOU LACASSINE

1.51 MI N OF I-10 SER RD, Jefferson Davis, LA

Built 2019 Load: 36.3 t ADT: 16

US0080

Fair

Over: CREEK

3.1 MI EAST OF LA 145, Lincoln, LA

Built 1948 Load: 36.3 t ADT: 3,275

LA0145

Fair

Over: LITTLE CHOUDRANT CREEK

.1 MI NORTH OF LA 556, Lincoln, LA

Built 1975 Load: 36.3 t ADT: 2,458

LA0145

Fair

Over: CHOUDRANT CREEK RELIEF

.2 MI NORTH OF LA 556, Lincoln, LA

Built 1975 Load: 36.3 t ADT: 2,458

US0190

Fair

Over: TICKFAW RIVER

US0190, Livingston, LA

Built 1949 Load: 36.3 t ADT: 7,126

LA0835

Fair

Over: CREEK

10.47 MI E of US 165, Morehouse, LA

Built 1973 Load: 36.3 t ADT: 366

LA0001

Fair

Over: SIBLEY LAKE

.70 MI N OF JCT LA 6, Natchitoches, LA

Built 1969 Load: 36.3 t ADT: 14,586

Showing 4,801-4,850 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.