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: CREEK
0.30 M E of LA 126, Caldwell, LA
Over: CREEK
0.75 M E of US 165, Caldwell, LA
Over: CREEK
0.02 M E of US 165, Caldwell, LA
Over: CREEK
1M E of La 843, Caldwell, LA
Over: CREEK
0.2M SE of LA 506, Caldwell, LA
Over: CREEK
.2 M West of LA 506, Caldwell, LA
Over: SAWYER POND BAYOU
0.05 mi E of Dannehl Rd, Caldwell, LA
Over: Creek
0.8M N of La126, Caldwell, LA
Over: HART CREEK
2.19M NW of LA 506, Caldwell, LA
Over: RICHLAND CREEK
0.3M N of LA 126, Caldwell, LA
Over: WHITE OAK CREEK
0.5 M N of Chester Rd, Caldwell, LA
Over: CREEK
LOG MI 0.12 FR 293 TO 294, Caldwell, LA
Over: WINN BRANCH CREEK
0.5M W of LA 846, Caldwell, LA
Over: Ballard Bayou
4.1 MI SW of HWY 165, Caldwell, LA
Over: CREEL CREEK
1.6 MI EAST OF THE EAST I, Catahoula, LA
Over: US 79 BYPASS OVER CREEK
1.1 MILES SOUTH OF LA 2, Claiborne, LA
Over: ISAAC CREEK
1.01 MI SOUTH OF JCT LA 1, Claiborne, LA
Over: TRIB TO BAYOU DARBONNE
1.37 MI WEST OF JCT LA 9, Claiborne, LA
Over: LITTLE CORNEY BAYOU
3.1 MILES NORTH OF LA 2, Claiborne, LA
Over: GREER CREEK
1.25 MI EAST OF JCT LA 9, Claiborne, LA
Over: BEAR CREEK
6.09 MI EAST OF US 79, Claiborne, LA
Over: ALFORD CREEK
7.1 MI EAST OF LA 520, Claiborne, LA
Over: FRAZIER CREEK
2.0 M NORTH OF LA 9, Claiborne, LA
Over: CLEAR CREEK
3.0 MI S. OF US 79, Claiborne, LA
Over: INDIAN CREEK
3.0 MI. W. OF US 79, Claiborne, LA
Over: DOE BRANCH
2.26 MI. N. OF LA 2, Claiborne, LA
Over: JOHN KELLY RD, BEA. CREE
0.09 MI SO OF LA HWY 9, Claiborne, LA
Over: CREEK
.61 MILES SOUTH OF THE EA, De Soto, LA
Over: TRENTON RD., RR
6.1 MI. N.OF LA 512, De Soto, LA
Over: CREEK
1.72 MILES SOUTH OF WEST, De Soto, LA
Over: LA 346 OVER TEN MI. BAYO
2.2 I. E. OF LA 346 AND L, De Soto, LA
Over: TRIB TO GRAND CANE BAYOU
3 MI SW OF US 171, De Soto, LA
Over: TRIB. TO CLEMENT CREEK
1.5 MILES SOUTH OF US 84, De Soto, LA
Over: TRIB TO B NA BONCHASE
1.05 MI SOUTH OF LA 3015, De Soto, LA
Over: BAYOU NA BONCHASSE RELIE
4.59 MI N. OF US 84, De Soto, LA
Over: I-49 OVER CREEK
0.59 MI N OF LA 509 INTR, De Soto, LA
Over: I-49 OVER CREEK
0.59 MI N OF LA 509 INTR, De Soto, LA
Over: CREEK
1.60 MI S OF US 84, De Soto, LA
Over: BAYOU SAN PATRICIO
0.35 MI EAST OF LA 513, De Soto, LA
Over: BAYOU NA BONCHASSE
1.2 MI. N. OF US 171, De Soto, LA
Over: HURRICANE CREEK
1.7 M S OF US 61, East Baton Rouge, LA
Over: CREEK
450 Ft N of LA 73, East Baton Rouge, LA
Over: CREEK
1.1 M E of LA 67, East Baton Rouge, LA
Over: Stream
1.4 MI SW OF LA 42, East Baton Rouge, LA
Over: BAYOU
0.6 Mi E of LA 946, East Baton Rouge, LA
Over: DRAINAGE BAYOU
0.4 Mi. N of Peairs Rd, East Baton Rouge, LA
Over: HURRICANE CREEK
0.1 MILES WEST OF MOHICAN, East Baton Rouge, LA
Over: JONES CREEK
1.0 M SE of LA 37&US 61, East Baton Rouge, LA
Over: HURRICANE CREEK
0.7 M NW of LA 37&US 61, East Baton Rouge, LA
Over: STREAM
1.0 Mi N of LA 423, East Baton Rouge, LA
Showing 8,001-8,050 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.