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: BEAUCOUP CREEK
2M E of LA 506, Caldwell, LA
Over: CREEK
.1 MI N OF LA 851, Caldwell, LA
Over: BOND CREEK
1.3 MI. N OF LA 161, Claiborne, LA
Over: CROSS BAYOU
2.6 MI EAST OF LA 566, Concordia, LA
Over: KCS RAILROAD
3.20MI N OF LA 3015, De Soto, LA
Over: SABINE RIVER
THE LA TEX STATE LINE ON, De Soto, LA
Over: SABINE RIVER
LA-TEX STATELINE ON US 84, De Soto, LA
Over: DOLET SWAMP
1.08 M N OF LA 177 INTR, De Soto, LA
Over: WASH.ST. ON RAMP
I0010, East Baton Rouge, LA
Over: WARDS CREEK
.20 MILES E. COLLEGE DR., East Baton Rouge, LA
Over: MONTE SANO BAYOU
0.7 M W of LA 67, East Baton Rouge, LA
Over: BAYOU MACON
0.1 MILE WEST OF LA 577, East Carroll, LA
Over: BAYOU MACON
6.92 MI WEST OF LA 134, East Carroll, LA
Over: CARNEY CREEK
0.4 Mi. N of LA 963, East Feliciana, LA
Over: SANDY CREEK
US 61, East Feliciana, LA
Over: PETITE PASSE BAYOU
1.17 Mi N of La 363, Evangeline, LA
Over: BULLS BAYOU
LOG MI. 0.30 FROM 645 TO, Franklin, LA
Over: TURKEY CREEK
4.53 MI. W OF LA 132, Franklin, LA
Over: KITCHEN CREEK
1.0 MILES W US 165, Grant, LA
Over: WALDEN BAYOU
2.53 MI. SOUTH OF US 71, Grant, LA
Over: POPLAR BRANCH
1.5 MILES SOUTH OF LA 155, Jackson, LA
Over: FOUR MILE CREEK
13.02 MI E LINCOLN PAR LN, Jackson, LA
Over: STUD HORSE CREEK
0.3 MILES SOUTH OF LA 148, Jackson, LA
Over: CANEY CREEK
8.67 MI E of US 167, Jackson, LA
Over: DUNCAN CANAL
0.5 MI W OF LA 49, Jefferson, LA
Over: OAKLAWN DRIVE
6.6 MI EAST OF LA 49, Jefferson, LA
Over: OAKLAWN DRIVE
6.6 MI EAST OF LA 49, Jefferson, LA
Over: MAIN CANAL
0.6 MILE FROM SEGNETTE BL, Jefferson, LA
Over: COULEE
1.1 MI. W. OF US 167, Lafayette, LA
Over: MINE BRANCH COULEE
0.1 MI. E. Orchid Dr., Lafayette, LA
Over: PLEASANT RIDGE
LOG MI 3.63 FR 636 TO 638, LaSalle, LA
Over: BAYOU FUNNY LOUIS
3.0 MI EAST OF LA 3159, LaSalle, LA
Over: CHICKASAW CREEK
2.3 MI NORTH OF US 84, LaSalle, LA
Over: HEMPHILL CREEK
0.60 M E of LA 127, LaSalle, LA
Over: E HOG BRANCH
LA0442, Livingston, LA
Over: CANEY BRANCH
0.3 M W OF LA 441, Livingston, LA
Over: BAYOU DRAIN DITCH
Sec 23 T 22N R 4E, Morehouse, LA
Over: BAYOU DERBONNE
0.03 MI. W OF B. DERBONNE, Natchitoches, LA
Over: LAKE PONCHARTRAIN
0.5 MI NE OF LA 11, Orleans, LA
Over: LAKE PONCHARTRAIN
3.1 MI SW OF LA 433, Orleans, LA
Over: CITY STREETS
1.29 MI SOUTH OF I-10, Orleans, LA
Over: ON RAMP
1.94 MI SOUTH OF MISS. RI, Orleans, LA
Over: RAILROAD
0.10 MI. SOUTH OF US-90, Orleans, LA
Over: CITY STREETS
.2 MI EAST OF US 90, Orleans, LA
Over: ICG RAILROAD
3.8 MI. N. of LA 838, Ouachita, LA
Over: PATRICK BAYOU
2.1 MI N of US 80 E, Ouachita, LA
Over: KCS RAILROAD
2.3 MI. N. OF I-49, Rapides, LA
Over: CALCASIEU RIVER RELIEF
3.81 MI. E OF INT LA112, Rapides, LA
Over: UP RAILROAD
1.54 MI. NORTH OF LA 3250, Rapides, LA
Over: Middle Creek
0.3 Mi N of Herrington Rd, Sabine, LA
Showing 8,651-8,700 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.