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: BEAVER CREEK
3.9 M E OF LA 441, St. Helena, LA
Over: WEST NATALBANY CREEK
0.4 M SW OF LA 1048, St. Helena, LA
Over: CANAL
1.6 MI SW OF SR 22 E, Tangipahoa, LA
Over: DRAIN
0.05 MI. S OF US 190, Beauregard, LA
Over: Trib. to Buchanan Bayou
0.4 SO OF HWY 525, Caddo, LA
Over: SUGAR CREEK
1.3 MILES WEST OF LA. 9, Claiborne, LA
Over: TRIB. MIDDLE FORK CREEK
3.0 MI. NORTH LA. 9, Claiborne, LA
Over: PANTHER BAYOU TRIB.
NO DATA ENTERED, Grant, LA
Over: FISH CREEK
NO DATA ENTERED, Grant, LA
Over: DYSON CREEK
NO DATA ENTERED, Grant, LA
Over: BRUSHY CREEK
NO DATA ENTERED, Grant, LA
Over: PRAIRIE CREEK
LOGMI 0.48 FR 569 TO, Grant, LA
Over: THORNWELL CANAL
0.6 MI N of LA 14, Jefferson Davis, LA
Over: CREEK
2.2 E of LA 101, Jefferson Davis, LA
Over: CREEK
0.5 MI E of PanchovilleRd, Jefferson Davis, LA
Over: COULEE
0.1 MI N. of La 3073, Lafayette, LA
Over: CREEK
3.0 MI SOUTH OF LA 3061, Lincoln, LA
Over: BEAVER CREEK
0.8 M E OF LA 16, Livingston, LA
Over: B BONNE IDEE
.8 MI NORTH OF NORTH INT, Morehouse, LA
Over: DRY CHOCTAW CR. TRIB.
1.5 MI. N/N.E. OF CHESTNT, Natchitoches, LA
Over: LITTLE FORDOCHE CREEK
1.45 M. SW OF GOLDONNA RO, Natchitoches, LA
Over: W PRONG YOUNGS BAYOU
GRAMMONT ST IN MONRO, Ouachita, LA
Over: BAYOU WHITE VINE
6.71 M N of Morganza, Pointe Coupee, LA
Over: ROARING CREEK
NO DATA ENTERED, Rapides, LA
Over: DRAIN
2.0 MI EAST OF LA 183, Richland, LA
Over: BAYOU TESSON
0.2 Mi W. of La 182, St. Landry, LA
Over: BAYOU TESSON
0.3 Mi W. of La 182, St. Landry, LA
Over: CREEK
2.2 NW OF 190 EXIT ON 55, Tangipahoa, LA
Over: PETIT CAILLOU BAYOU
0.02 MI SW OF LA 56, Terrebonne, LA
Over: TIGRE BAYOU
1.1 Mi W of LA 331, Vermilion, LA
Over: TIGHTEYE CREEK
9.5 MI. ENE. OF ROSPINE, Vernon, LA
Over: BUNDICK CREEK
VE799316, Vernon, LA
Over: WOLF CREEK
LOGMI 3.40 FR 536 TO, Winn, LA
Over: WOLF CREEK TRIBUTARY
6 MI. WSW OF WINNFIELD, Winn, LA
Over: DRAINAGE BAYOU
0.4 M N of LA 621, Ascension, LA
Over: CATTLE CROSSING
2.7 MI N of INT LA 82, Cameron, LA
Over: BLACK CREEK
1 M E of LA 10&LA 68, East Feliciana, LA
Over: CREEK
2.5 MI WEST OF LA 859, Franklin, LA
Over: ASH SLOUGH
1.4 MI EAST OF LA 4, Franklin, LA
Over: LITTLE BEAR CR
LOG 2.62 FR 657 TO, Grant, LA
Over: CREEK
0.48 M. NE OF US 165, Grant, LA
Over: Coulee
1.2 Miles East of LA 673, Iberia, LA
Over: CREEK
0.2 M W OF LA 1024, Livingston, LA
Over: BARTHOLOMEW BAYOU
ENTRANCE TO SUBDIVIS, Ouachita, LA
Over: ODEN BRANCH
NO DATA ENTERED, Rapides, LA
Over: BAYOU MALLET
2.73 MI E OF LA 751, St. Landry, LA
Over: COULEE
0.7 Mi. S of LA 349, St. Martin, LA
Over: COULEE
0.2 Mi. SW of LA 686, St. Martin, LA
Over: BR. OVER EDEN ISLES CANA
2.4 MI S JCT US N & LA433, St. Tammany, LA
Over: CR. @ 523
LOGMI 1.17 FR 502 TO, Winn, LA
Showing 1,201-1,250 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.