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: SARGENT CREEK
2.3 MI EAST OF LA 112, Allen, LA
Over: DRAINAGE CANAL
1.39 M. E. OF END LA 1194, Avoyelles, LA
Over: CANEY CREEK
3.2 MI E OF US 171, Beauregard, LA
Over: GUM SLOUGH CREEK
4.7 MI W of LA 27, Beauregard, LA
Over: BEE MOUTH BRANCH CREEK
2.1 MI E of US 171, Beauregard, LA
Over: SUGAR CREEK
1.0 MI E. OF LA 113, Beauregard, LA
Over: PALMETTO CREEK
0.9 M N OF GRANBERRY RD, Beauregard, LA
Over: CREEK
1.0 M N OF GRANBERRY RD, Beauregard, LA
Over: BLACK LAKE RELIEF
.57 MI NORTH OF US 80, Bienville, LA
Over: SAND BEACH BAYOU
.96 MI N OF JCT LA 3132, Caddo, LA
Over: SAND BEACH BAYOU
096 MI NO OF JCT LA 3132, Caddo, LA
Over: GOVERNMENT DITCH 011
0.5 MI EAST OF LA 397, Calcasieu, LA
Over: LITTLE RIVER
2.8 MI E of LA 27, Calcasieu, LA
Over: LITTLE BLACK BAYOU
0.05 M N of LA 506, Caldwell, LA
Over: BAYOU BOEUF
4.38 M E OF E JCT. LA 121, Rapides, LA
Over: BAYOU BOEUF
4.38 MI EAST OF LA 121, Rapides, LA
Over: BAYOU VINCENT BRIDGE
.1 MI N. JCT I-10 & US 11, St. Tammany, LA
Over: GUM BAYOU BRIDGE
0.2 MI EAST OF 1090, St. Tammany, LA
Over: SPRING CREEK
0.99 MILES EAST OF JCT US, Tangipahoa, LA
Over: LITTLE CHAPIPEELA CREEK
4.0M SW OF JCT 16 & 445, Tangipahoa, LA
Over: BAYOU CONWAY
0.1 M NORTH I-10 & LA 22, Ascension, LA
Over: BAYOU DES CYPRAIRRES
1.45 MI N OF LA 1185, Avoyelles, LA
Over: COULEE BEAU
0.01 MI EAST OF LA 182, Lafayette, LA
Over: STAULKINGHEAD CREEK
1.4 MI. W. of US 165, Morehouse, LA
Over: PRAIRIE BRANCH
.8 MILE SOUTH JCT LA 113, Rapides, LA
Over: HURRICANE CREEK
2.6 MILES SE OF LA 497, Rapides, LA
Over: FORKED PINE BRANCH
2.6 MI. NORTH OF LA 155, Red River, LA
Over: SERPENT BAYOU
1.0 MI W of LA 99, Allen, LA
Over: SUGAR CREEK
3.55 MI SW OF LA HWY 9, Claiborne, LA
Over: FRANKS CREEK
3.7M WEST OF LA 9, Claiborne, LA
Over: HALFWAY CREEK
1.7 MI WEST OF LA 811, Jackson, LA
Over: BROWN CREEK
1.19 MI EAST OF LA 505, Jackson, LA
Over: MINE COULEE CUT-OFF CANA
0.47M WEST OF LA 3025, Lafayette, LA
Over: STOWE CREEK
4.9 MI EAST INT RT 278, Union, LA
Over: HURRICANE BAYOU
.5 MI.ESE. HWY. 17, West Carroll, LA
Over: CANAL
3.30 MI E of LA 1124, Acadia, LA
Over: BAYOU MALLET
2.87 MI NORTH OF LA 370, Acadia, LA
Over: GRAND BAYOU
LA0070, Assumption, LA
Over: BAYOU CREAUX
LA0966, Assumption, LA
Over: BRUSLY ST.MARTIN C.
LA0996, Assumption, LA
Over: COW PEN CREEK
8.03 MI. E OF E INT LA27, Beauregard, LA
Over: TROUT CREEK
1.3 MI N of US 190, Beauregard, LA
Over: BEAR CREEK
0.06 MI W JCT LA 9, Bienville, LA
Over: CREEK
2.64 MI EAST OF LA 154, Bienville, LA
Over: GRAND BAYOU
0.5 MI WEST OF US 371, Bienville, LA
Over: FOXSKIN BAYOU
0.2 MI EAST OF LA 157, Bossier, LA
Over: MACK'S BAYOU
2.6 MI EAST OF LA 3105, Bossier, LA
Over: MACK'S BAYOU
2.6 MI EAST OF LA 3105, Bossier, LA
Over: PHILLIPS CREEK
.43 MI NORTH OF LA 160, Bossier, LA
Over: CREEK
2.02 MI NORTH OF LA 767, Caddo, LA
Showing 5,251-5,300 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.