Total Bridges
12,699
Public highway bridges in Louisiana
State profile · Above median Poor share
Louisiana bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Louisiana, based on the FHWA National Bridge Inventory.
- 12,699
- Public bridges
- 36.2%
- Good condition
- 11.0%
- Poor condition
Data updated May 2026
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%
Louisiana vs national bridge condition
Louisiana - Good condition share 36.2%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Louisiana - Poor-condition share 36.7%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (64)
Acadia 282 Allen 178 Ascension 216 Assumption 68 Avoyelles 147 Beauregard 221 Bienville 190 Bossier 270 Caddo 682 Calcasieu 463 Caldwell 124 Cameron 58 Catahoula 70 Claiborne 148 Concordia 42 De Soto 201 East Baton Rouge 548 East Carroll 55 East Feliciana 133 Evangeline 156 Franklin 131 Grant 209 Iberia 143 Iberville 80 Jackson 163 Jefferson 379 Jefferson Davis 240 LaSalle 195 Lafayette 323 Lafourche 130 Lincoln 171 Livingston 253 Madison 104 Morehouse 136 Natchitoches 313 Orleans 382 Ouachita 337 Plaquemines 34 Pointe Coupee 50 Rapides 523 Red River 63 Richland 207 Sabine 195 St. Bernard 47 St. Charles 82 St. Helena 139 St. James 26 St. John the Baptist 40 St. Landry 317 St. Martin 116 St. Mary 124 St. Tammany 360 Tangipahoa 477 Tensas 52 Terrebonne 215 Union 121 Vermilion 261 Vernon 341 Washington 285 Webster 194 West Baton Rouge 73 West Carroll 88 West Feliciana 108 Winn 220
Louisiana vs nearby ranks
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
Pennsylvania
10.50% top marginal rate
ND
North Dakota
10.84% top marginal rate
LA
Louisiana
11.00% top marginal rate
PR
Puerto Rico
11.98% top marginal rate
ME
Maine
13.23% top marginal rate
Bridges Needing Most Attention in Louisiana
Six lowest-condition bridges in Louisiana, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Layton Coco Xing
PoorOver: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Built 1986 Load: 0.9 t ADT: 40
LA1077
PoorOver: BLACK BAYOU
1.1 M S OF LA 22, St. Tammany, LA
Built 1965 Load: 0.9 t ADT: 1,019
LA0308
PoorOver: BAYOU LAFOURCHE
.01 MI NORTH OF LA 1, Lafourche, LA
Built 1970 Load: 1.0 t ADT: 5,198
Ebeneezer Tap Rd
PoorOver: JONES CREEK
0.65 Mi South of LA 500, LaSalle, LA
Built 1989 Load: 1.2 t ADT: 300
Anderson Rd
PoorOver: HYDE BR.
2 MI S OF 1054 & 440, Tangipahoa, LA
Built 1960 Load: 1.2 t ADT: 25
Stubblefield Rd
PoorOver: BAYOU ROUGE
APPROX. 1 M. S. OF LA 361, Avoyelles, LA
Built 1975 Load: 2.3 t ADT: 40
All Bridges in Louisiana
Eighty Arpent Rd
PoorOver: Delahoussaye Canal
3.4 Miles SE of LA 673, Iberia, LA
Built 1967 Load: 15.6 t ADT: 19
LA0997
PoorOver: B PIGEON/LOWER GRAND R.
0.01 Mi. W of LA 75, Iberville, LA
Built 1957 Load: 15.6 t ADT: 845
LA0655
PoorOver: BAYOU LAFOURCHE
.79 MI EAST OF LA 1, Lafourche, LA
Built 1940 Load: 15.6 t ADT: 2,380
Forest Rd
PoorOver: CANEY BRANCH
0.5 MILES NW OF LA 118, Natchitoches, LA
Built 1972 Load: 15.6 t ADT: 42
Shady Grove Rd
PoorOver: MIDDLE CREEK
1.33 MI. EAST OF LA 117, Natchitoches, LA
Built 1983 Load: 15.6 t ADT: 92
Shady Grove Rd
PoorOver: MIDDLE CREEK
1.22 MI. EAST OF LA 117, Natchitoches, LA
Built 1983 Load: 15.6 t ADT: 92
Shady Grove Rd
PoorOver: MIDDLE CREEK
1.06 MI. EAST OF LA 117, Natchitoches, LA
Built 1983 Load: 15.6 t ADT: 90
Olsen ave
PoorOver: BARRIERE ROAD
1.8 MI. S. OF HWY. 23, Plaquemines, LA
Built 1960 Load: 15.6 t
Doshie Rd
PoorOver: CHERRY WINCHE CREEK TRIB
1.1 MILES NORTH OF LA 112, Rapides, LA
Built 1978 Load: 15.6 t ADT: 100
LAKE FAUSSE ST PK
PoorOver: LAKE FAUSSE POINT
.16 MI S of Levee Rd, St. Martin, LA
Built 1980 Load: 15.6 t ADT: 66
LA0182
PoorOver: CHARENTON
1.1 Miles South of LA 83, St. Mary, LA
Built 1941 Load: 15.6 t ADT: 6,242
LA0082
PoorOver: OLD ICC L PRAIRE
6.67 MI N. OF LA 3147, Vermilion, LA
Built 1965 Load: 15.6 t ADT: 2,899
Nation Rd.
PoorOver: Duralde Coulee
0.6 Mi. S. of La 13, Acadia, LA
Built 1970 Load: 15.9 t ADT: 336
LA0026
PoorOver: CREEK
4.1 MI E of LA 377, Allen, LA
Built 1968 Load: 15.9 t ADT: 2,151
LA0114
PoorOver: BELLDEAU BAYOU
3.07 MILES SE OF LA 1, Avoyelles, LA
Built 1973 Load: 15.9 t ADT: 2,890
Winfield Rd
PoorOver: Connell Branch
2.0 MI N OF US HWY 8, Bossier, LA
Built 1960 Load: 15.9 t ADT: 340
US0071
PoorOver: ICG RR
.5 MI NORTH OF I-20, Caddo, LA
Built 1940 Load: 15.9 t ADT: 5,484
SOUTH LAKESHORE DR
PoorOver: BICKHAM BAYOU
1.8 MI N OF US80, Caddo, LA
Built 1981 Load: 15.9 t ADT: 1,286
LA0534
PoorOver: BLACK BAYOU
2.9 MI NORTH OF LA 534-S, Claiborne, LA
Built 1973 Load: 15.9 t ADT: 118
Ben Hur Rd
PoorOver: ELBOW BAYOU
1.8 M S of LA 30, East Baton Rouge, LA
Built 1960 Load: 15.9 t ADT: 752
Tiger Bend Rd
PoorOver: DRAINAGE BAYOU
2.9 MI. E. of LA 73, East Baton Rouge, LA
Built 1965 Load: 15.9 t ADT: 5,630
Monterrey Blvd
PoorOver: JONES CREEK
0.70 MI N OF US 190, East Baton Rouge, LA
Built 1960 Load: 15.9 t ADT: 5,630
Port Hudson-Pride
PoorOver: WHITE BAYOU
1.5 M E OF LA 964, East Baton Rouge, LA
Built 1970 Load: 15.9 t ADT: 2,080
LA0579
PoorOver: COOK'S SLOUGH
1.33 MI SOUTH OF LA 577, East Carroll, LA
Built 1961 Load: 15.9 t ADT: 119
Wilison-Clinton Rd
PoorOver: COMITE RIVER
4.2 M E of LA 19, East Feliciana, LA
Built 1995 Load: 15.9 t ADT: 84
Wilison-Clinton Rd
PoorOver: DRAINAGE CREEK
3.9 M E of LA 19, East Feliciana, LA
Built 1994 Load: 15.9 t ADT: 84
Mullins Rd
PoorOver: Tete Bayou
0.7 Mi N. of La 87, Iberia, LA
Built 1967 Load: 15.9 t ADT: 254
FARM SUPPLY ROAD
PoorOver: CHENE BAYOU
0.5 MI N of LA1126, Jefferson Davis, LA
Built 1975 Load: 15.9 t ADT: 80
ABELL ROAD
PoorOver: GULLY
3.7 MI. E. OF INT. 1, Jefferson Davis, LA
Built 1976 Load: 15.9 t ADT: 50
COUNTRY RD.
PoorOver: CREEK
0.5 MI N of LA102, Jefferson Davis, LA
Built 1960 Load: 15.9 t ADT: 30
W. Willow St.
PoorOver: Coulee Mine
0.36 Mi W of LA 3184, Lafayette, LA
Built 1975 Load: 15.9 t ADT: 1,960
Brasher Rd
PoorOver: CREEK
2.9 miles N of LA 503, LaSalle, LA
Built 1970 Load: 15.9 t ADT: 75
Shadow Spring Blvd
PoorOver: MILLERS CANAL
0.85 MI S OF I12 ON LA 16, Livingston, LA
Built 1978 Load: 15.9 t ADT: 500
LA0838
PoorOver: STEEP BAYOU
6.4 MI EAST OF LA 546, Ouachita, LA
Built 1955 Load: 15.9 t ADT: 8,105
ENGLISH TURN RD
PoorOver: MISSISSIPPI RIVER
0.05 MI SW OF LA 3137, Plaquemines, LA
Built 2002 Load: 15.9 t
Avenue G
PoorOver: MISSISSIPPI RIVER
.2 MILES FROM LA 23 ON AV, Plaquemines, LA
Built 2002 Load: 15.9 t
Beamow
PoorOver: BAYOU MARINGOUIN
MARINGOUIN, Pointe Coupee, LA
Built 1973 Load: 15.9 t ADT: 110
LA1243
PoorOver: FLAT BAYOU
2.7 MI. N OF LA488, Rapides, LA
Built 1980 Load: 15.9 t ADT: 2,861
TORO CHURCH RD
PoorOver: MILL CREEK
0.7 Mi S of Plainview Rd, Sabine, LA
Built 1965 Load: 15.9 t ADT: 50
Portage Levee Rd.
PoorOver: WEST LEVEE BORROW PIT
1.37 Mi NE of LA 737, St. Landry, LA
Built 1970 Load: 15.9 t ADT: 310
Courtableau Rd
PoorOver: Courtableau Bayou
0.25 MI N of US 190, St. Landry, LA
Built 1986 Load: 15.9 t ADT: 150
LA0182
PoorOver: ATCHAF.R/BERWICK BAY
1.4 MI WEST OF US 90, St. Mary, LA
Built 1933 Load: 15.9 t ADT: 12,788
LA0059
PoorOver: LONG BRANCH BAYOU
0.5 M N OF LA 36, St. Tammany, LA
Built 1954 Load: 15.9 t ADT: 4,612
Keller Rd
PoorOver: CREEK
0.3MI.N.OF 9TH STREE, St. Tammany, LA
Built 1970 Load: 15.9 t
Byers Rd
PoorOver: BEDICO CREEK
4.0M NE JCT 445 & LA 22, Tangipahoa, LA
Built 1993 Load: 15.9 t ADT: 128
Illinois Jones Rd
PoorOver: STILL BRANCH
1.5 M N JCT LA3080 &US190, Tangipahoa, LA
Built 1975 Load: 15.9 t ADT: 200
Fannie Powell Rd
PoorOver: CREEK
1.3 MI S OF JCT 440 &1057, Tangipahoa, LA
Built 1970 Load: 15.9 t ADT: 8
Kentwood Firestat
PoorOver: CANAL
LA38S.5TH.01 MI FIRESTATI, Tangipahoa, LA
Built 1995 Load: 15.9 t ADT: 70
N. River Rd
PoorOver: IRVING BRANCH
1.40 M N of LA 38, Tangipahoa, LA
Built 1975 Load: 15.9 t ADT: 141
LA0082
PoorOver: LONG DITCH
14.72 Mi S of La 3147, Vermilion, LA
Built 1958 Load: 15.9 t ADT: 2,899
Showing 11,901-11,950 of 12,699 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
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.