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

LA0129

Good

Over: CROSS BAYOU

.7 MI SOUTH OF LA 565, Concordia, LA

Built 1978 Load: 33.6 t ADT: 1,684

US0061

Good

Over: MONTE SANO BAYOU

0.3 M W of US 61&LA 67, East Baton Rouge, LA

Built 1976 Load: 33.6 t ADT: 2,649

US0061

Good

Over: MONTE SANO BAYOU

0.3 M W of US 61&LA 67, East Baton Rouge, LA

Built 1976 Load: 33.6 t ADT: 18,831

US0061

Good

Over: MONTE SANO BAYOU

0.3 M W of US 61&LA 67, East Baton Rouge, LA

Built 1976 Load: 33.6 t ADT: 18,831

US0061

Good

Over: MONTE SANO BAYOU

0.3 M W of US 61&LA 67, East Baton Rouge, LA

Built 1976 Load: 33.6 t ADT: 713

LA0408

Good

Over: CYPRESS BAYOU

2.2 M East of LA 67, East Baton Rouge, LA

Built 1988 Load: 33.6 t ADT: 26,976

LA0408

Good

Over: CYPRESS BAYOU

1.7 M E of LA 67&LA 408, East Baton Rouge, LA

Built 1984 Load: 33.6 t ADT: 19,515

LA0408

Good

Over: BLACKWATER BAYOU

0.4 Mi. E. of LA 410, East Baton Rouge, LA

Built 1988 Load: 33.6 t ADT: 26,976

I0110

Good

Over: GROUND

I-110 / WELLER AVE. INTG., East Baton Rouge, LA

Built 1970 Load: 33.6 t ADT: 8,250

I0110

Good

Over: EVAGELINE ST. ON RAMP

I0110, East Baton Rouge, LA

Built 1970 Load: 33.6 t ADT: 8,250

LA0095

Good

Over: BEACONS GULLY

1.45 MI EAST OF LA 104, Evangeline, LA

Built 1965 Load: 33.6 t ADT: 1,107

I0010

Good

Over: ATCHAFALAYA FLOODWAY

3.8 M W of LA 3000, Iberville, LA

Built 1991 Load: 33.6 t ADT: 20,508

LA0022

Good

Over: TICKFAW RIVER

2.1 MI FR JCT LA444-LA22, Livingston, LA

Built 2000 Load: 33.6 t ADT: 2,729

I0020

Good

Over: DRAINAGE

2.8 MI WEST OF LA 577, Madison, LA

Built 1971 Load: 33.6 t ADT: 162

LA0118

Good

Over: LITTLE SANDY CREEK

1.2 MI. EAST OF LA 117, Natchitoches, LA

Built 1998 Load: 33.6 t ADT: 164

US0090-B

Good

Over: GROUND

0.05 MI E OF US 90, Orleans, LA

Built 1960 Load: 33.6 t ADT: 7,620

I0610

Good

Over: OFF RAMP TO I 610 E

.5 MI EAST OF I-10, Orleans, LA

Built 1963 Load: 33.6 t ADT: 7,620

I0510

Good

Over: R/R

0.75M NORTH GULF OUTLET, Orleans, LA

Built 1992 Load: 33.6 t ADT: 7,620

PINE BLUFF RD

Good

Over: DRAIN TO CYPRESS CREEK

2.1 MI S. HWY. 557, Ouachita, LA

Built 1985 Load: 33.6 t ADT: 431

I0049

Good

Over: UP RR

5.92 MI. NORTH OF LA 3265, Rapides, LA

Built 1992 Load: 33.6 t ADT: 20,561

I0049

Good

Over: UP RAILROAD

1.54 MI. NROTH OF LA 3250, Rapides, LA

Built 1994 Load: 33.6 t ADT: 45,104

LA0515

Good

Over: LOGGY BAYOU

2.1 MI NORTH OF LA 154, Red River, LA

Built 1980 Load: 33.6 t ADT: 203

I0049

Good

Over: E.Grolee St/MPRR

3.55 Mi S of LA 744, St. Landry, LA

Built 1983 Load: 33.6 t ADT: 15,642

US0090/Ramp C

Good

Over: 6th St.

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

Built 1977 Load: 33.6 t ADT: 12,192

US0090

Good

Over: RAMP G

0.02 MI SW OF LA 182, St. Mary, LA

Built 1977 Load: 33.6 t ADT: 12,192

I0055

Good

Over: PONCHATOULA CR

I0055, Tangipahoa, LA

Built 1960 Load: 33.6 t ADT: 790

I0055

Good

Over: PONCHATOULA CR.

I0055, Tangipahoa, LA

Built 1960 Load: 33.6 t ADT: 988

HOLLYWOOD RD

Good

Over: B TERREBONNE

0.6 MI N OF LA 664, Terrebonne, LA

Built 1976 Load: 33.6 t ADT: 15,540

US0090

Good

Over: SWAMP

.09 MI EAST OF LA 3052, Terrebonne, LA

Built 1994 Load: 33.6 t ADT: 3,007

US0090

Good

Over: ONRAMP TO 90 FROM 311

0.14 MI W OF LA 311, Terrebonne, LA

Built 1987 Load: 33.6 t ADT: 12,192

US0090

Good

Over: OFFRAMP FROM 90 TO 311

0.12 MI W OF LA 311, Terrebonne, LA

Built 1987 Load: 33.6 t ADT: 12,192

LA0438

Good

Over: BOGUE CHITTO RIVER

LA0438, Washington, LA

Built 1967 Load: 33.6 t ADT: 666

LA0415

Good

Over: KAHNS RD/MO PAC RR

1.0 M S OF LA 1, West Baton Rouge, LA

Built 1994 Load: 33.6 t ADT: 21,189

LA0415

Good

Over: BRIDES OVER MO PAC RR

1.1 M S of LA 1, West Baton Rouge, LA

Built 1994 Load: 33.6 t ADT: 521

Big Jr. Crossing

Good

Over: BAYOU DES GLAISES

0.15 MI. EAST OF LA 451, Avoyelles, LA

Built 1998 Load: 33.7 t ADT: 200

Don's Crossing

Good

Over: BAYOU DES GLAISES

0.02 MI. EAST OF LA 451, Avoyelles, LA

Built 1998 Load: 33.7 t ADT: 200

Clemen Luneau Rd

Good

Over: LAC LONG

1.5 MI. N OF CARDINAL LP., Avoyelles, LA

Built 1998 Load: 33.7 t ADT: 40

Silkwood

Good

Over: Drain

0.98 MI. W. OF LA 3 ON SI, Bossier, LA

Built 2016 Load: 33.7 t ADT: 100

OCKLEY DRIVE

Good

Over: OCKLEY DITCH

0.2 MI EAST OF LINE AVE., Caddo, LA

Built 2000 Load: 33.7 t ADT: 1,600

Rushing St

Good

Over: CANAL

0.1M E of LA165, Caldwell, LA

Built 1988 Load: 33.7 t ADT: 250

Fisher Rd

Good

Over: CREEK

0.2 MI NW OF REED RD, Caldwell, LA

Built 1988 Load: 33.7 t ADT: 220

Boggy Bayou Rd

Good

Over: BOGGY BAYOU

LOGMI 1.3 E OF LA129, Concordia, LA

Built 1993 Load: 33.7 t ADT: 300

Woodville St

Good

Over: DRAIN CREEK

1 MI. W. OF LA 67, East Feliciana, LA

Built 2006 Load: 33.7 t ADT: 84

Huggins Lane

Good

Over: TURKEY CREEK

LOGMI 3.56 FR 137 TO ODE, Franklin, LA

Built 1994 Load: 33.7 t ADT: 170

Jim Albert Rd

Good

Over: DEER CREEK

0.01M FROM 496 TO 527, Franklin, LA

Built 1992 Load: 33.7 t ADT: 30

Hollywood Lake Lp

Good

Over: CREEK

.54 MI W of Frnch Trn Rd, Franklin, LA

Built 1987 Load: 33.7 t ADT: 70

WPA Rd

Good

Over: TURKEY CREEK

1.96 mi. S of LA 132, Franklin, LA

Built 1994 Load: 33.7 t ADT: 40

LA3098

Good

Over: WHEAT BRANCH

1.38 M N OF N JCT. LA 123, Grant, LA

Built 2008 Load: 33.7 t ADT: 204

Dyson Creek Rd

Good

Over: DYSON CREEK

1.6 M. W. OF US 165, Grant, LA

Built 1984 Load: 33.7 t ADT: 240

Enterprise Blvd

Good

Over: DRAINAGE CANAL

2.7 MI. NORTH OF LA 77 EN, Iberville, LA

Built 2007 Load: 33.7 t ADT: 3,094

Showing 8,801-8,850 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.