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. Coburn Rd

Fair

Over: SELSERS CREEK

0.4 MI. S OF LA. 1067, Tangipahoa, LA

Built 1996 Load: 32.7 t ADT: 94

Woodstone Dr

Fair

Over: YELLOW WATER CREEK

0.15M E OF US51/WOODSTONE, Tangipahoa, LA

Built 1992 Load: 32.7 t ADT: 418

Chappepeela Rd

Fair

Over: CHAPPEPEELA CREEK

0.2 MI. W OF LA 445, Tangipahoa, LA

Built 1990 Load: 32.7 t ADT: 1,145

Old Genessee Rd

Fair

Over: YELLOW WATER CREEK

2.4M SE OF EXIT 442, Tangipahoa, LA

Built 1993 Load: 32.7 t ADT: 557

Neal Rd

Fair

Over: LITTLE CHAPEPEELA CREEK

1.7 mi. w of la. 445, Tangipahoa, LA

Built 1992 Load: 32.7 t ADT: 878

E. Bell Rd

Fair

Over: PEAKS CREEK

2.8 MI SW OF JCT 16 & 445, Tangipahoa, LA

Built 1995 Load: 32.7 t ADT: 201

W. Olive St

Fair

Over: CREEK

.45MI SW US 51 W OLIVE, Tangipahoa, LA

Built 1979 Load: 32.7 t ADT: 1,520

US0090

Fair

Over: DEADWOOD RD, TIGER BAYOU

.04 MI EAST OF LA 3052, Terrebonne, LA

Built 1994 Load: 32.7 t ADT: 4,014

US0167

Fair

Over: BIG CORNEY BAYOU

2.2 MI SOUTH OF LA 15, Union, LA

Built 1952 Load: 32.7 t ADT: 422

LA0082

Fair

Over: INTRACOASTAL WATERWAY

14.2 MI N. OF LA 3147, Vermilion, LA

Built 1976 Load: 32.7 t ADT: 2,899

MILL CREEK ROAD

Fair

Over: DRAKES CREEK

VE823384, Vernon, LA

Built 1978 Load: 32.7 t ADT: 100

MILL CREEK ROAD

Fair

Over: WHISKEY CHITTO CREEK

VE 858 387, Vernon, LA

Built 1978 Load: 32.7 t ADT: 50

MILL CREEK ROAD

Fair

Over: WHISKEY CHITTO CREEK

VE 859 388, Vernon, LA

Built 1978 Load: 32.7 t ADT: 50

RIVERTON DRIVE

Fair

Over: BAYOU ZOURIE TRIB

VE 814 412, Vernon, LA

Built 1990 Load: 32.7 t ADT: 300

PERIMETER ROAD

Fair

Over: COMRADE CREEK

VE 818 668, Vernon, LA

Built 1978 Load: 32.7 t ADT: 40

PERIMETER ROAD

Fair

Over: MARTIN CREEK

VE 753 653, Vernon, LA

Built 1978 Load: 32.7 t ADT: 40

PERIMETER ROAD

Fair

Over: DOWDEN CREEK

VE 713 664, Vernon, LA

Built 1978 Load: 32.7 t ADT: 40

HAYNES SETTLEMENT

Fair

Over: DOWDEN CREEK

VE 713 688, Vernon, LA

Built 1967 Load: 32.7 t ADT: 40

DOWDEN CREEK RD

Fair

Over: DOWDEN CREEK

VE 703 688, Vernon, LA

Built 1968 Load: 32.7 t ADT: 40

YELLOW BRICK ROAD

Fair

Over: COMRADE CREEK

VE 801 680, Vernon, LA

Built 1969 Load: 32.7 t ADT: 40

OAKIE FLAT ROAD

Fair

Over: TRIB OF COMRADE CREEK

V 803 670, Vernon, LA

Built 2000 Load: 32.7 t ADT: 40

ROCK QUARRY ROAD

Fair

Over: TIGER CREEK

VE 823 727, Vernon, LA

Built 1990 Load: 32.7 t ADT: 40

RIVERTON ROAD

Fair

Over: DRAINAGE TO ZOURIE BAYOU

NEAR WILLIAM ST, Vernon, LA

Built 1990 Load: 32.7 t ADT: 300

PENDLETON DR

Fair

Over: ZOURIE BAYOU

NEAR RYAN, Vernon, LA

Built 1989 Load: 32.7 t ADT: 300

BEN WEST RD

Fair

Over: UNKNOWN CREEK

Fort Polk, Vernon, LA

Built 2018 Load: 32.7 t ADT: 40

MILL CREEK ROAD

Fair

Over: BIRDS CREEK

FORT POLK, Vernon, LA

Built 1987 Load: 32.7 t ADT: 200

MILL CREEK ROAD

Fair

Over: BIRDS CREEK

FORT POLK, Vernon, LA

Built 1987 Load: 32.7 t ADT: 200

MAV LZ

Fair

Over: W FORK 6MI CREEK

FORT POLK, Vernon, LA

Built 2009 Load: 32.7 t ADT: 40

SIXMILE CREEK RD

Fair

Over: TRIB TO W FORK 6 MI CRK

VE 981 379, Vernon, LA

Built 1994 Load: 32.7 t ADT: 300

SIXMILE CREEK RD

Fair

Over: TRIB TO W FORK 6 MI CRK

VE 965 374, Vernon, LA

Built 1994 Load: 32.7 t ADT: 300

MILL CREEK ROAD

Fair

Over: BIRDS CREEK

VE 919 379, Vernon, LA

Built 1987 Load: 32.7 t ADT: 300

DRAKES CREEK ROAD

Fair

Over: OBANION BRANCH

VE 840 326, Vernon, LA

Built 1994 Load: 32.7 t ADT: 320

DRAKES CREEK ROAD

Fair

Over: TRIB TO DRAKES CREEK

VE 853 335, Vernon, LA

Built 1994 Load: 32.7 t ADT: 350

DRAKES CREEK ROAD

Fair

Over: TRIB TO DRAKES CREEK

VE 852 334, Vernon, LA

Built 1994 Load: 32.7 t ADT: 320

Sam Thomas Rd

Fair

Over: CREEK

1.5 MILES NORTH OF LA 438, Washington, LA

Built 2014 Load: 32.7 t ADT: 324

I0020

Fair

Over: BOONE CREEK

2.33 MI WEST OF LA 7, Webster, LA

Built 1987 Load: 32.7 t ADT: 31,074

I0020

Fair

Over: COOLEY BRANCH

0.41M E OF LA 7 @ MINDEN, Webster, LA

Built 1960 Load: 32.7 t ADT: 44,225

US0061

Fair

Over: THOMPSON CREEK BRIDGE

US 61, WEST FELICIANA, West Feliciana, LA

Built 1987 Load: 32.7 t ADT: 2,531

LA0066

Fair

Over: BIG BAYOU SARA

LA0066, West Feliciana, LA

Built 1949 Load: 32.7 t ADT: 4,492

CAMP EDGEWOOD RD

Fair

Over: HICKORY CREEK

2.8 MI WEST OF US 171, Beauregard, LA

Built 1994 Load: 33.0 t ADT: 700

1ST PENT CHURCH RD

Fair

Over: HICKORY BRANCH

1.7 MI W OF US 171, Beauregard, LA

Built 1983 Load: 33.0 t ADT: 500

LA3032

Fair

Over: RED RIVER,FANT&TEAGUE PK

0.31 MILES WEST OF US 71, Caddo, LA

Built 2008 Load: 33.0 t ADT: 14,900

WILLIAMSON WAY

Fair

Over: SUMMER GROVE DITCH

1.61NI E OF US HWY, Caddo, LA

Built 1972 Load: 33.0 t ADT: 4,404

LAKE ST

Fair

Over: CONTRABAND BAYOU

1.0 MILES SOUTH OF I-210, Calcasieu, LA

Built 2012 Load: 33.0 t ADT: 19,793

LA0014

Fair

Over: DRAIN

0.3 MI N of BUS. US 90, Calcasieu, LA

Built 1962 Load: 33.0 t ADT: 22,885

I0010

Fair

Over: KIRKMAN STREET

2.2 MI W of US 171, Calcasieu, LA

Built 1961 Load: 33.0 t ADT: 11,437

RIGMAIDEN CEM. RD.

Fair

Over: BUXTON CREEK

0.4 MI N of JOHNSON RD, Calcasieu, LA

Built 1991 Load: 33.0 t ADT: 341

Brushey Bayou Rd

Fair

Over: DEER CREEK

.33 Miles N of LA 915, Catahoula, LA

Built 1983 Load: 33.0 t ADT: 120

I0010

Fair

Over: TRINITY DRAINAGE CANAL

I0010, Iberville, LA

Built 1971 Load: 33.0 t ADT: 58,734

I0010

Fair

Over: TRINITY DRAINAGE CANAL

I0010, Iberville, LA

Built 1971 Load: 33.0 t ADT: 298

Showing 4,451-4,500 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.