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: DOLET SWAMP
1.04 M N OF LA 177 INTR, De Soto, LA
Over: I-49 OVER ASSEFF RD INTG
2.97 MI S OF US 84 INTG, De Soto, LA
Over: I-49 OVER ASSEFF RD INTG
2.98 MI S OF US 84 INTG, De Soto, LA
Over: I-49, KCS RR
0.56 MI N OF LA 5 OVP, De Soto, LA
Over: I-49, KCS RR
0.56 MI NO OF LA 5 OVP, De Soto, LA
Over: SHOE CREEK
0.3 MI W of Prairie Dr, East Baton Rouge, LA
Over: JONES CREEK
0.3 MI E OF MONTERREY BLV, East Baton Rouge, LA
Over: WHITE BAYOU
3.75M NORTH OF LA 3006, East Baton Rouge, LA
Over: EVANGELINE ST. OFF RAMP
I0110, East Baton Rouge, LA
Over: CEDARCREST DRIVE
I0012, East Baton Rouge, LA
Over: CEDARCREST DRIVE
I0012, East Baton Rouge, LA
Over: CREEK
0.70 Mi W of US 167, Evangeline, LA
Over: CYPRESS BAYOU
.25 MI. E. INT. 076, Jackson, LA
Over: VERRET CANAL
1.9 MI SOUTH OF US 90B, Jefferson, LA
Over: 3 MILE CANAL
0.1 MI. EAST OF MANHATTAN, Jefferson, LA
Over: ROGERS GULLY
1.2 MI E of LA 26, Jefferson Davis, LA
Over: Parc Perdu Bayou
.1 M West of Detente Rd., Lafayette, LA
Over: DRAIN
1.49 MI N OF LA 1252, Lafayette, LA
Over: Ill Des Cannes-Lat 7
0.09 MI N of Ridge Rd, Lafayette, LA
Over: COULEE ILE DES CANNES
0.9 W of La 93, Lafayette, LA
Over: BAYOU LAFOURCHE
.01 MI NORTH OF LA 1, Lafourche, LA
Over: Hemphill Creek
0.4 MI SW OF E BRADFORD S, LaSalle, LA
Over: CYPRESS CREEK
2.0 MILES EAST OF US 167, Lincoln, LA
Over: BAYOU BARBUE
0.84 MI. NORTH OF LA 490, Natchitoches, LA
Over: OFF RP TO NEW ORLEANS
.02 MI EAST OF LA 3071, Orleans, LA
Over: ON RP FROM ELYSIAN FIELD
.4 MI EAST OF LA 3071, Orleans, LA
Over: OFF RP TO ELYSIAN FIELDS
.4 MI EAST OF LA 3071, Orleans, LA
Over: OFF RP TO ELYSIAN FIELDS
.6 MI EAST OF LA 3071, Orleans, LA
Over: ON RP FROM ELYSIAN FIELD
.7 MI EAST OF LA 3071, Orleans, LA
Over: GROUND
1.27M NORTH OF US 90, Orleans, LA
Over: CITY STREETS/RR
2.4 MI EAST OF LA 39, Orleans, LA
Over: E PRONG YOUNGS BAYOU
1.6 MI W OF US 165, Ouachita, LA
Over: Longs Creek
0.7 Mi. SE of La 34, Ouachita, LA
Over: CHAUVIN BAYOU
0.7 MI NE of US 165 N, Ouachita, LA
Over: RED RIVER, GREER ST.
US 167 SOUTH @ RED RIVER, Rapides, LA
Over: ROCKY BAYOU
7.12 MI. WEST OF US 165, Rapides, LA
Over: WILSON BAYOU
4.53 MI. NE OF US 71, Rapides, LA
Over: BAYOU LATANIER
3.09 MI. SOUTH OF LA 3170, Rapides, LA
Over: SWETZ BRANCH
3.0 MI. EAST OF LA 462, Rapides, LA
Over: PRAIRIE BRANCH
2.04 MI. E OF INT LA112, Rapides, LA
Over: MASTERS CREEK
6.36 MI. E OF INT LA112, Rapides, LA
Over: FLAGON CREEK
2.83 MI NE JCT US 165, Rapides, LA
Over: CYPRESS BAYOU
4.22 MI. EAST OF LA 465, Rapides, LA
Over: BAYOU JEAN DE JEAN
1.8 M NORTH OF LA 1200, Rapides, LA
Over: DITCH
0.45 MI. EAST OF US 71, Rapides, LA
Over: BAYOU CLEAR
0.25 MI. EAST OF US 165, Rapides, LA
Over: KIB CREEK
12.26 MI. EAST OF US 171, Sabine, LA
Over: SAN JOSE CREEK
1.06 MI. S OF E JCT. LA 6, Sabine, LA
Over: KCS RR
0.45 MI. NORTH OF LA 483, Sabine, LA
Over: BEECH BAYOU
2.08 MI. NORTH OF LA 1215, Sabine, LA
Showing 9,201-9,250 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.