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: DITCH
2.7 MI. SOUTH OF US 71, Rapides, LA
Over: LITTLE COLEWA CREEK
4.1 MI W of LA 17, Richland, LA
Over: CREEK
1.8 MI E of LA 561, Richland, LA
Over: CYPRESS CREEK
1.7 MI W of LA 183, Richland, LA
Over: BAYOU SAN MIGUEL
0.96 MI. NORTH OF LA 120, Sabine, LA
Over: MIDDLE RELIEF
1.24 MILES NORTH OF LA 12, Sabine, LA
Over: 20 ARPENT CANAL
0.3 MI N OF LA 39, St. Bernard, LA
Over: 20 ARPENT CANAL
0.4 MI N OF LA 39, St. Bernard, LA
Over: Carencro Bayou
1.08 Miles E of LA 93, St. Landry, LA
Over: Drain
0.1 Mi N of Ochsner Blvd, St. Tammany, LA
Over: COULEE
2.3 MI. W. OF LA 91, Vermilion, LA
Over: Sledge Canal
2.8 Mi E. of La 3093, Vermilion, LA
Over: COMRADE CREEK
5.3 MI. E OF E JCT. LA 46, Vernon, LA
Over: HORSE BRANCH TRIB
4.1 MILES SOUTH OF LA 10, Vernon, LA
Over: TRIB TO BRUSHY CREEK
0.80 MILES EAST OF US 371, Webster, LA
Over: CROWS CREEK
4.2 MI E OF US 79, Webster, LA
Over: OPOSSUM HOLLOW CR
3.5 MILES W OF LA 969 ON, West Feliciana, LA
Over: BEAR CREEK
4.5 MI W OF LA 969, West Feliciana, LA
Over: TUNICA CREEK
2 KM S OF MARKSVILLE, LA, Avoyelles, LA
Over: JOHNSON BAYOU
0.49 MI. NE OF LA 1192, Avoyelles, LA
Over: BAYOU LACOMBE
MANSURA, REGARD ROAD, Avoyelles, LA
Over: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Over: LEATHERMAN CREEK
1.2 MI W OF LA 157, Bienville, LA
Over: MUDDY CREEK
0.2 MI. SOUTH OF LA 4, Bienville, LA
Over: TRIB. TO CROSS LAKE
1.1 MILES NORTHEAST OF I-, Caddo, LA
Over: CREEK
2.1 MI SE OF LA 849, Caldwell, LA
Over: CANAL
26.6 MI E of LA 27, Cameron, LA
Over: CANAL
26.7 MI E of LA 27, Cameron, LA
Over: CROWS CREEK
3.4 MI S OF LA 518, Claiborne, LA
Over: WARD CREEK
.7 MILES EAST OF LA3064 (, East Baton Rouge, LA
Over: SANDY CREEK
1.0 MILES NORTHEAST OF MI, East Baton Rouge, LA
Over: JONES CREEK
0.4 MILE SOUTH OF S. HARR, East Baton Rouge, LA
Over: THOMPSON CREEK
5.2 MILES WEST OF NORWOOD, East Feliciana, LA
Over: COLLINS CREEK
8.4 MI. E. CLINTON, East Feliciana, LA
Over: CREEK
2.0 MI EAST OF LA 4, Franklin, LA
Over: OAKWOOD CANAL
0.7M SOUTH OF LA 23, Jefferson, LA
Over: MINE BRANCH COULEE
.58 Mi W of LA 182, Lafayette, LA
Over: WEST PRONG HEMPHILL CREE
0.30 M W of LA 127, LaSalle, LA
Over: HEMPHILL CREEK
0.45 M E of LA 127, LaSalle, LA
Over: COLVIN CREEK
0.90 MILES EAST OF US 167, Lincoln, LA
Over: CREEK
0.1 MILES WEST OF LA. 441, Livingston, LA
Over: CANAL
1.2 MILES WEST OF LA. 16, Livingston, LA
Over: CAT BRANCH
0.4 MI. SO. INTER. 12, Livingston, LA
Over: WEST COLYELL CREEK
4.1 M EAST OF JCT. LA 16, Livingston, LA
Over: SUTT BAYOU
13 MI W TALLULAH, Madison, LA
Over: KISATCHIE BAYOU
1.3 MI. NE OF LA 118, Natchitoches, LA
Over: BAYOU ST JOHN
0.1 Mi. E. OF Wisner Blvd, Orleans, LA
Over: BAYOU ST. JOHN
0.1 MILE EAST OF WISNER B, Orleans, LA
Over: US 190 OVER SERE BAYOU
0.3 M E of LA 1, Pointe Coupee, LA
Over: US 190 OVER SERE BAYOU
0.29 M E of LA 1 @ US 190, Pointe Coupee, LA
Showing 8,901-8,950 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.