Total Bridges
12,699
Public highway bridges in Louisiana
State profile · Above median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Louisiana, based on the FHWA National Bridge Inventory.
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%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
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
ND
LA
PR
ME
Six lowest-condition bridges in Louisiana, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Over: BLACK BAYOU
1.1 M S OF LA 22, St. Tammany, LA
Over: BAYOU LAFOURCHE
.01 MI NORTH OF LA 1, Lafourche, LA
Over: JONES CREEK
0.65 Mi South of LA 500, LaSalle, LA
Over: HYDE BR.
2 MI S OF 1054 & 440, Tangipahoa, LA
Over: BAYOU ROUGE
APPROX. 1 M. S. OF LA 361, Avoyelles, LA
Over: DRY CREEK
0.86 MI. SOUTH OF LA 474, Sabine, LA
Over: KISATCHIE BAYOU
APP. 1.25 M. NE OF LA 118, Sabine, LA
Over: BLACKWELL BAYOU
BLACKWELL CREEK ROAD, Sabine, LA
Over: LEWIS CREEK
2.5 MILE WEST LA 6, Sabine, LA
Over: BAYOU SCIE TRIB.
1.5 MI. EAST OF LA 120, Sabine, LA
Over: LITTLE SAN MIGUEL CREEK
CARTER ROAD, Sabine, LA
Over: LITON BRANCH
0.83 MI. SOUTH OF LA 174, Sabine, LA
Over: CANAL
INT. OF CARR DR AND US 11, St. Tammany, LA
Over: BLUE HOLE
.73 Miles SE OF LA 608, Tensas, LA
Over: BAYOU TERREBONNE
LA0024, Terrebonne, LA
Over: ROBINS CANAL
3.1 Mi W of Joe Rd, Vermilion, LA
Over: BLUE BRANCH
0.2 M. E. OF LA 463, Vernon, LA
Over: ANACOCO CREEK
APP. 0.5 M W OF RIVERS RD, Vernon, LA
Over: ALLIGATOR BAYOU
2.27 MILES WEST OF US 61, West Feliciana, LA
Over: BEAR CREEK
3.76 M. WEST OF US 167, Winn, LA
Over: Little Cypress Bayou
0.4 Mi. S of LA 2, Bossier, LA
Over: Caney Creek
2.0 M NORTH OF LA 2, Bossier, LA
Over: ROGERS CREEK
2.60 MI. S. OF LA 34, Ouachita, LA
Over: DRAINAGE CANAL
1 MI. WEST OF LA 115, Avoyelles, LA
Over: BAYOU PIERRE
0.9 MI WEST OF LA 1, Caddo, LA
Over: COMITE RIVER
1.3 MI. N. OF US190, East Baton Rouge, LA
Over: CORPORATION CANAL
BATON ROUGE, East Baton Rouge, LA
Over: DAWSON CREEK
2.7 MI. N. JCT LA10,, East Feliciana, LA
Over: DUNN CREEK
1.6 MI. N., FELPS, East Feliciana, LA
Over: WEST TURKEY CREEK
LOGMI 2.47 FR 186 TO 123, Franklin, LA
Over: Drain to Verret Canal
0.3 Mi. W. of Gretna BLVD, Jefferson, LA
Over: VETERANS BLVD OFF RAMP
0.3 MILES NORTH OF I 10, Jefferson, LA
Over: CANAL NO 3
1.9 MI EAST OF LA 49, Jefferson, LA
Over: 17 TH STREET CANAL
0.01M NORTH OF ORPHEUM, Jefferson, LA
Over: ANSELM COULEE
0.1 MI E of LA 339, Lafayette, LA
Over: CARENCRO BAYOU
1.64 Mi E of LA 93, Lafayette, LA
Over: CREEK
1.0 MI N of LA 856, Richland, LA
Over: BAYOU LITTLE TECHE
0.1 Mi SW. of La 743, St. Landry, LA
Over: LAKE ST. PETER CANAL
1.4 MI S OF ICE HOUSE RD, Tensas, LA
Over: CYPRESS CREEK
1.1 MI W of LA 15, Union, LA
Over: BONNER CREEK
0.7 MILE WEST OF HWY 25, Washington, LA
Over: TRIB. TO LAKE BISTINEAU
2.0 MILES EAST OF LA 163, Webster, LA
Over: MISSISSIPPI RIVER
3.143 MILES WEST OF US 61, West Feliciana, LA
Over: BAYOU BARTHOLOMEW
2.72 MI WEST OF US 425, Morehouse, LA
Over: GROUND
0.01 M FROM I-10, St. Charles, LA
Over: NATALBANY RIVER
LA1063, Tangipahoa, LA
Over: BAYOU TERREBONNE
.2 MI EAST OF LA 24, Terrebonne, LA
Over: GRAND COULEE
.1 MI NORTH OF LA 368, Acadia, LA
Over: FOSTER CREEK
5.0 MI NORTH OF LA 789, Caddo, LA
Over: POWELL CUT-OFF
1.7 miles SW of LA 3102, Catahoula, LA
Over: CREEK
0.06 MI W of Crestview Dr, Concordia, LA
Over: DOYLE BAYOU
2.5 MI W of LA 67, East Baton Rouge, LA
Over: HURRICANE CREEK
4.5 Miles West of LA 19, East Feliciana, LA
Over: TURKEY CREEK
0.2 M W of LA 865, Franklin, LA
Over: BEOUF RIVER
6.50 M W of LA 135, Franklin, LA
Showing 7,301-7,350 of 12,699 bridges
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.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
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.