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: RED RIVER/GREER ST
.1 MI. N OF INT LA1, Rapides, LA
Over: GRAND BAYOU
1.9 M NE OF US 71, Red River, LA
Over: MILHOMME BAYOU
1.4 Mi NE of La 70, St. Martin, LA
Over: CREEK
1.2 M W OF LA 21, St. Tammany, LA
Over: ST LOUIS CANAL
0.2 MI E OF BROADMOOR AVE, Terrebonne, LA
Over: BOGUE LUSA CREEK
.5 MI. W OF HWY. 60, Washington, LA
Over: LITTLE KIESCHE CREEK
7.02 MI. EAST OF LA 1233, Winn, LA
Over: BIG KIESCHE
4.75 MI EAST OF LA 501, Winn, LA
Over: COULEY CREEK
APP. 1 MI. NORTH OF US 84, Winn, LA
Over: CREEK
1.8 Mi N of La 370, Acadia, LA
Over: BAYOU MALLET
.6 MI. SOUTH OF LA 3116, Acadia, LA
Over: BAYOU WIKOFF
2.3 MI NORTH OF LA 98, Acadia, LA
Over: B DES CANNES
1.59 MI EAST OF LA 97, Acadia, LA
Over: CREEK
4.0 MI E of LA 27, Beauregard, LA
Over: TROUT CREEK
4.4 MI E of LA 111, Beauregard, LA
Over: COWPEN CREEK
0.07 MI E of LA 3226, Beauregard, LA
Over: DRY CREEK
6.17 MI. NORTH OF LA 12, Beauregard, LA
Over: RED RIVER @ TEXAS ST.
.01 MI EAST OF LA 1, Bossier, LA
Over: FiFi Bayou Trib
0.2 MI SOUTH OF US 80, Bossier, LA
Over: Ivan Lake
0.7 MI N OF HWY 160, Bossier, LA
Over: TRIB TO CROSS LAKE
1.6 MI W OF LA173, Caddo, LA
Over: CONTRABAND BAYOU
0.9 MI W. OF LA 385, Calcasieu, LA
Over: BA SAN PATRICIO R
2.50 MI EAST OF LA 171, De Soto, LA
Over: LITTLE SANDY CREEK
2.6 MI. SW. OF PRIDE, East Baton Rouge, LA
Over: JOES BAYOU
.01 MI WEST OF LA 877, East Carroll, LA
Over: SPRING BRANCH
6.9 Mi. E of LA 961, East Feliciana, LA
Over: BOGGY BAYOU
6.47 MI WEST OF LA 10, Evangeline, LA
Over: BAYOU
1.39 MI EAST OF LA 1169, Evangeline, LA
Over: LAKE CHICOT
4.93 MI NORTH OF US 167, Evangeline, LA
Over: THIBS CUT
1.5 MI NW JCT LA 13, Evangeline, LA
Over: DURALDGE BAYOU
1.48 MI S of Rodnis Rd, Evangeline, LA
Over: DRAINAGE CANAL
0.91 MI WEST OF LA 347, Iberia, LA
Over: OFF RAMP OVER WHITNEY AV
1.2 MI WEST OF LA 23, Jefferson, LA
Over: BAYOU FATMA
0.5 MI S. OF LAPALCO BLVD, Jefferson, LA
Over: GULLY
1.1 MI E of LA 101, Jefferson Davis, LA
Over: BAYOU
0.6 MI S of MARCANTEL RD, Jefferson Davis, LA
Over: HAIRS CREEK
1.4 MI EAST OF LA 127, LaSalle, LA
Over: CREEK
1.0 MI EAST OF LA 563, Lincoln, LA
Over: CREEK
3.45 MI EAST OF US 167, Lincoln, LA
Over: WILSON CREEK
5 MI SW OF SIMMSBORO, Lincoln, LA
Over: FELDER BAYOU
3.0 M N OF LA 16, Livingston, LA
Over: DUMPLIN CREEK
1.2 MILES FROM JCT 1027, Livingston, LA
Over: BAYOU VIDAL
.1 MI SOUTH OF LA 603, Madison, LA
Over: ALLIGATOR BAYOU
4.4 MI NORTH OF SOUTH INT, Madison, LA
Over: ROUNDAWAY BAYOU
1.5 MI NORTH OF NORTH INT, Madison, LA
Over: COW BAYOU
0.7 MI S of US 80, Madison, LA
Over: CREEK
1.52 MI. E OF INT LA1, Natchitoches, LA
Over: BAYOU ST. JOHN
.6 MI S OF LAKESHORE, Orleans, LA
Over: HARRISON CREEK
NORTHSIDE OF MONROE, Ouachita, LA
Over: BEOUF RIVER
2.1 MI WEST OF LA 583, Richland, LA
Showing 2,351-2,400 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.