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: CHOCTAW BAYOU
APP. 0.2 M S BONNETTE RD., Avoyelles, LA
Over: Red Chute Bayou
0.5 MI N OF LA 154, Bossier, LA
Over: TENSAS BAYOU
2.0 MI EAST OF LA 877, East Carroll, LA
Over: COLLINS CREEK
2.1 M NE of LA 10, East Feliciana, LA
Over: KEY BRANCH
0.13 M. N. OF LA 500, Grant, LA
Over: PATOUT CANAL
2.0 MI EAST OF LA 83, Iberia, LA
Over: CREEK
4.16 MI EAST OF LA 34, Jackson, LA
Over: SUGAR CREEK
2.3 MI. N. INT. 338, Jackson, LA
Over: CREEK
0.3 M E OF LA 1019, Livingston, LA
Over: SUTT BAYOU
1.8 MI SOUTH OF I-20, Madison, LA
Over: CANEY CREEK
.4 MI. E. HWY. 139, Ouachita, LA
Over: CREEK
LOGMI 3.48 FR 1DE TO, Richland, LA
Over: BAYOU GRAND MARAIS
1.33 MI N. OF LA 699, Vermilion, LA
Over: BOAT CHANNEL/BISTINEAU
0.4M SOUTH OF LA 164, Webster, LA
Over: LITTLE CROOKED CREEK
0.08M EAST OF LA 803-1, Webster, LA
Over: DRAINAGE CREEK
2.2 MI SW LA66&LA969 JCT, West Feliciana, LA
Over: DORCHEAT BAYOU
2.5 MI EAST OF LA 3014, Webster, LA
Over: CANAL
0.01 MI E. OF INT. 5, Calcasieu, LA
Over: CREEK
2.1 MI NORTH OF LA 3102, Catahoula, LA
Over: CREEK
2.5 M E OF LA 447, Livingston, LA
Over: Airport Canal
HADLEY ST EAST BRIDG, Ouachita, LA
Over: BLACK BAYOU
0.005 MI N OF LA 182, Terrebonne, LA
Over: DRAINAGE CANAL
1.7 Mi. E of LA 410, East Baton Rouge, LA
Over: SIX MILE CREEK RELIEF
4.0 MI N OF LA 377, Allen, LA
Over: BAYOU TIGRIS
2.4 Mi W of La 993, Iberville, LA
Over: Cohcran Creek
0.9 miles south of US 84E, LaSalle, LA
Over: BRUSHY CREEK
0.2 MI S OF HWY 7, Webster, LA
Over: JONES CREEK
1.5 MI S OF LA 37, East Baton Rouge, LA
Over: BEAVER CREEK
1.4 M N of La 432, East Feliciana, LA
Over: LITTLE CREEK
3.4 MI. E OF HWY. 43, Washington, LA
Over: CARRS CREEK BAY
0.3 M. W. OF H. STRANGE R, Rapides, LA
Over: DRAINAGE BAYOU
1.3 M W OF LA 37, East Baton Rouge, LA
Over: ISAAC CREEK
1.1 MI WEST OF WEST INT L, Claiborne, LA
Over: BIG CREEK
1.1 MI W. OF LA 132, Franklin, LA
Over: COBURN CREEK
0.4 MI.NORTH OF LA 10, Washington, LA
Over: ARD CREEK
.7 MI. S OF HWY. 438, Washington, LA
Over: CANEY CREEK
1.8 MI WEST OF LA 126, Winn, LA
Over: FARMERS L & C CO. CANAL
0.2 MI E of LA 14, Calcasieu, LA
Over: MISS. RIVER FERRY RAMP
0.01M WEST OF LA 39, Plaquemines, LA
Over: VALCOURT COULEE
0.1 MI W. of La 82, Vermilion, LA
Over: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Over: CREEK
2.0M SW OF LA 797, Bienville, LA
Over: DRAINAGE CANAL
0.2 MILES E ONEAL, East Baton Rouge, LA
Over: BLACKWATER BAYOU
0.2 Mi. N of LA 410, East Baton Rouge, LA
Over: CREEK
5.04 MI EAST OF LA 34, Jackson, LA
Over: TAWPAW BAYOU
2.40 Mi W of La 105, St. Landry, LA
Over: SWEETWATER CR.
3.7 MI NW OF JCT 40, Tangipahoa, LA
Over: ASHLEYS BR.
1 MI S OF LA 38, Tangipahoa, LA
Over: SPENCER CANAL
1.0 MI S. OF LA 3143, Vermilion, LA
Over: GRAY CREEK
2 MI E OF HWY 7, Webster, LA
Showing 11,401-11,450 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.