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: DUGEMONA RIVER RELIEF
1.28 MI EAST JCT US 167, Winn, LA
Over: PINEY WOODS CREEK
4.6 MI EAST OF LA 124, Winn, LA
Over: LITTLE POLE LOG CREEK
5.94 MI. EASTOF LA 124, Winn, LA
Over: POPE CREEK
9.2 MI EAST OF LA 124, Winn, LA
Over: PORT DELUCE CREEK
0.25M S OF INT OF 167&501, Winn, LA
Over: CROSS BAYOU RELIEF
1.89 MI E OF TEXAS LINE, Caddo, LA
Over: TRIB TO GILMER BAYOU
0.2 MI. SOUTH OF LA 511, Caddo, LA
Over: HAMPTON COULEE
0.5 MI N OF US 90, Calcasieu, LA
Over: KNOX BRANCH
0.4 MI W OF O'NEAL LN, East Baton Rouge, LA
Over: BAYOU FATMA
0.5 M S OF LAPALCO BLVD, Jefferson, LA
Over: Rena Coulee
0.03 MI N of Rena Dr, Lafayette, LA
Over: COULEE BEAU
0.5 MI EAST OF LA 182, Lafayette, LA
Over: STROZIER CREEK
4 MI N. CHENIERE, Ouachita, LA
Over: YELLOW DOG BRANCH
0.6 MILES WEST OF LA 28, Vernon, LA
Over: DRAIN
6.0M EAST LA 16 @ ENON, Washington, LA
Over: DUGDEMONA RIVER
1.18 MILES NORTH OF LA 50, Winn, LA
Over: BUCHANAN BAYOU
3.44 MI E OF LA 525, Caddo, LA
Over: BUCHANAN BAYOU
0.7 MI W OF US 171, Caddo, LA
Over: BOGGY BAYOU
3.0 MI S OF LA 526, Caddo, LA
Over: TRIB BOGGY BAYOU
2.8 Mi E of US 79, Caddo, LA
Over: COON GULLY
5.3 MI N OF LA 3063, Calcasieu, LA
Over: HURRICANE CREEK
0.1 MI E OF US 165, Caldwell, LA
Over: LITTLE CHENIER BAYOU
2.0 MI E OF LA 27, Cameron, LA
Over: CREEK
0.4 M S of BOGGY BAYOU RD, Concordia, LA
Over: DRAINAGE BAYOU
0.7 MI OF LA 3006, East Baton Rouge, LA
Over: DRAINAGE BAYOU
0.30 MI S OF LA 3006, East Baton Rouge, LA
Over: DURALDE BAYOU
0.50 Mi N of La 374, Evangeline, LA
Over: Coulee Ile Des Cannes
0.2 M. South Jenkins Rd, Lafayette, LA
Over: LA SALLE COULEE
0.08 Mi S of LA 92, Lafayette, LA
Over: MINE COULEE
0.1 Mi NE of Vital Street, Lafayette, LA
Over: BAYOU LAFOURCHE
0.1 MI. E. OF LA 1, Lafourche, LA
Over: Boeuf River
7 Mi S of Ouachita PL, Richland, LA
Over: 20 ARPENT CANAL
0.3 MI N OF LA 39, St. Bernard, LA
Over: Bayou Rouge
4.1 Mi. N. of La 10, St. Landry, LA
Over: MILE BRANCH
0.3 NORTH OF LA 25, Washington, LA
Over: WELCH GULLEY
1.3 Mi N of LA 42, Ascension, LA
Over: Bayou Rouge
0.67 M E of La 1190, Avoyelles, LA
Over: Horsepen Creek
2.78 M N of La 115, Avoyelles, LA
Over: Prairie Bayou
1.9 Mi E of LA 115, Avoyelles, LA
Over: White Oak Branch
2.7 MILES SOUTH OF LA HIG, Bossier, LA
Over: PINEHILL RD
0.82 MI SOUTH OF LA 1, Caddo, LA
Over: PINEHILL RD
0.82 MI SOUTH OF LA 1, Caddo, LA
Over: Creek
1.0 Mi. W of LA 1, Caddo, LA
Over: Little Creek
1.1 Mi. West of LA 169, Caddo, LA
Over: WASH OUT SLOUGH
2.2 MI W OF TEXAS LINE, Calcasieu, LA
Over: HURSEY SLOUGH
3.0 MI E OF TEXAS LINE, Calcasieu, LA
Over: ASHWORTH SLOUGH
3.2 MI E OF TEXAS LINE, Calcasieu, LA
Over: BEAR CREEK
4.79 MI. W. OF LA 154, Claiborne, LA
Over: Clement Creek
1.5 Mi. S. of US 84, De Soto, LA
Over: GRAND CANE BAYOU
0.5 MI W OF BLUNT MILL RD, De Soto, LA
Showing 10,351-10,400 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.