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: CANAL NO.2
0.01MI.S.OF.W.ESPLAN, Jefferson, LA
Over: BAYOU BLUE
1.2 MILES NORTH OF US 90, Lafourche, LA
Over: BAYOU BLUE
1.2 MILES SOUTH OF US 90, Lafourche, LA
Over: LITTLE RIVER
LOCATED AT GRANT PARISH L, LaSalle, LA
Over: COCKERHAM CREEK
0.55 MILES FROM GRANT PAR, LaSalle, LA
Over: CREEK
0.3 M W of LA 459, LaSalle, LA
Over: CREEK
LOG MI 0.37 FR ODE TO 001, LaSalle, LA
Over: Canal
1.05 Mi. S of I-12, Livingston, LA
Over: DRAIN
2.0 MI NO. LA 1019 INTER., Livingston, LA
Over: CREEK
4.96 MILES EAST OF JCT LA, Livingston, LA
Over: CREEK
7.4 MI S OF LS 447 EXIT, Livingston, LA
Over: MOLAR BAYOU
10.5M NE OF 3002 EXIT, Livingston, LA
Over: BAYOU DEMUSE RELIEF
2.33 MI. WEST OF LA 117, Natchitoches, LA
Over: UNNAMED CREEK
1.9 MI. EAST LA 117, Natchitoches, LA
Over: WHITLOCK CREEK
0.29 MI. NORTH OF LA 120, Natchitoches, LA
Over: HASKIN CREEK
1.55 MI. NORTH OF LA 120, Natchitoches, LA
Over: BRANCH OF CLEAR CREEK
1.5 MILES SOUTH OF LA 34, Ouachita, LA
Over: PATRICK BAYOU
0.7 MILES WEST OF CAMP RO, Ouachita, LA
Over: HICKS CREEK
5.64 MI N of US 80, Ouachita, LA
Over: DRAIN
1.5 MI. EAST OF LA 119, Rapides, LA
Over: DRAIN
4.04 MI. WEST OF LA 3054, Rapides, LA
Over: DRAIN
3.6 MI. WEST OF LA 3054, Rapides, LA
Over: TIGER BAYOU
3.43 MI. WEST OF LA 3054, Rapides, LA
Over: TIGER BAYOU
3.34 MI. WEST OF LA 3054, Rapides, LA
Over: DRAIN
2.28 MI. WEST OF LA 3054, Rapides, LA
Over: DRAIN
2.0 MI. WEST OF LA 3054, Rapides, LA
Over: DRAIN
1.62 MI. WEST OF LA 3054, Rapides, LA
Over: DRAIN
1.43 MI. WEST OF LA 3054, Rapides, LA
Over: DRAIN
0.69 MI. WEST OF LA 3054, Rapides, LA
Over: East Fork Creek
0.2 Mi. E of LA 183, Richland, LA
Over: CREEK
0.53 MI. EAST OF US 171 B, Sabine, LA
Over: DRAIN CANAL
2.3 MILES SOUTH OF HWY 90, St. Charles, LA
Over: DAVIS POND DIVERSION
3.0 MILES EAST OF LA 632, St. Charles, LA
Over: Joiner Creek
0.65 Mi. S. of LA 38, St. Helena, LA
Over: Spring Creek
2.5 Mi. south of LA 1042, St. Helena, LA
Over: SPILLER BRANCH PIPE
0.5 NI N OF LA 1045, St. Helena, LA
Over: LITTLE BAYOU TECHE
0.89 MI E OF I-49, St. Landry, LA
Over: BAYOU BOURDEAUX
0.72 Mi NE of LA 178, St. Landry, LA
Over: Drainage Canal
0.6 Mi N. of La 358, St. Landry, LA
Over: Coulee Garrigue
1.5 Mi. SW of US 167, St. Landry, LA
Over: CREEK
2.0 MI EAST OF LA 182, St. Mary, LA
Over: CREEK
2.1 MI EAST OF LA 182, St. Mary, LA
Over: CREEK
2.1 MI EAST OF LA 182, St. Mary, LA
Over: S. Eden Isles Canal
0.5 Mi. E of US 11, St. Tammany, LA
Over: Salt Bayou
2.27 Mi. N. of US 90, St. Tammany, LA
Over: PONCHATOULA CREEK
ON VITRANO ROAD 0.20 MILE, Tangipahoa, LA
Over: CREEK
3.20 MILES NORTH OF LA. 1, Tangipahoa, LA
Over: VAN BUREN BAYOU
0.40 M N of LA 3024, Tensas, LA
Over: CREEK
1.10 M E of LA 605, Tensas, LA
Over: CHOCTAW BAYOU
LOG MI 3.20 FROM 24 TO 26, Tensas, LA
Showing 11,201-11,250 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.