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
LA0327-S
PoorOver: BAYOU FOUNTIAN
0.3 M N of LA 42&LA 327-S, East Baton Rouge, LA
Built 1968 Load: 14.3 t ADT: 3,993
Auto Plex Dr
PoorOver: CLAYCUT BAYOU
.01 MI SOUTH OF AIRLINE, East Baton Rouge, LA
Built 1978 Load: 14.3 t ADT: 389
Connell Village Ln
PoorOver: N. BRANCH WARDS CREEK
0.10 MI W OF AIRLINE HWY, East Baton Rouge, LA
Built 1988 Load: 14.3 t ADT: 6,180
Milldale Rd
PoorOver: DRAINAGE CANAL
2.0 M W OF LA 409, East Baton Rouge, LA
Built 1959 Load: 14.3 t ADT: 377
Milldale Rd
PoorOver: DRAINAGE BAYOU
2.6 MI SOUTHWEST OF, East Baton Rouge, LA
Built 1959 Load: 14.3 t ADT: 377
LA3066
PoorOver: CENTENNIAL CANAL
2.5 M SW of LA 1&LA 3066, Iberville, LA
Built 1968 Load: 14.3 t ADT: 2,052
LA0308
PoorOver: LEBRETON CANAL
.5 MI SOUTH OF LA 3162, Lafourche, LA
Built 1963 Load: 14.3 t ADT: 5,198
FDR 360
PoorOver: L'IVROGNE BAYOU
6.5 M. WSW. OF GORUM, Natchitoches, LA
Built 1978 Load: 14.3 t ADT: 30
ST. CLAUDE /LA 46
PoorOver: INDUSTRIAL CANAL
2.28 MI SOUTH OF LA 39, Orleans, LA
Built 1950 Load: 14.3 t ADT: 23,049
Park Ave
PoorOver: Richards Gully
0.30 Mi E OF Jake St, St. Landry, LA
Built 1987 Load: 14.3 t ADT: 1,500
LA1054
PoorOver: TYNER CREEK
4.4 Mi N. of LA 40, Tangipahoa, LA
Built 1967 Load: 14.3 t ADT: 1,063
LA0062
PoorOver: CRAINS CREEK
LA0062, Washington, LA
Built 1959 Load: 14.3 t ADT: 1,205
LA1074
PoorOver: SALS BRANCH
0.7 M W OF LA 1075, Washington, LA
Built 1958 Load: 14.3 t ADT: 1,186
Deer Park Rd
PoorOver: COULEE
0.6 Mi W. of La 98, Acadia, LA
Built 1998 Load: 14.5 t ADT: 48
Normand Rd
PoorOver: DRAINAGE DITCH
1.24 MI. N. OF LARGE RD., Avoyelles, LA
Built 1983 Load: 14.5 t ADT: 90
Swan Lake Rd
PoorOver: Red Chute Bayou
0.7 M EAST OF POOLE ROAD, Bossier, LA
Built 1989 Load: 14.5 t ADT: 20
Winfield Rd
PoorOver: Fifi Bayou
3.4M WEST OF LA 157, Bossier, LA
Built 1993 Load: 14.5 t ADT: 380
LA0126
PoorOver: BRIDGE CREEK
0.5 MILES SOUTH OF JCT. L, Caldwell, LA
Built 1953 Load: 14.5 t ADT: 1,092
LA0506
PoorOver: BANISTER CREEK
6.6 MI WEST OF US 165, Caldwell, LA
Built 1971 Load: 14.5 t ADT: 306
Boyd Rd
PoorOver: HURRICANE CREEK
2.2 MILES NW OF LA 19, East Feliciana, LA
Built 1980 Load: 14.5 t ADT: 6
LA0146
PoorOver: CREEK
.5 MI SOUTH OF LA 145, Jackson, LA
Built 1951 Load: 14.5 t ADT: 882
Forest Rd
PoorOver: LYLES CREEK
2.9 MILES NW OF LA 118, Natchitoches, LA
Built 1970 Load: 14.5 t ADT: 32
W.Dale Plantation
PoorOver: B. PIERRE,PH RD 402
3.0 MI W OF LA1, Red River, LA
Built 1963 Load: 14.5 t ADT: 12
LA0135
PoorOver: LITTLE CREEK
.5 MI NORTH OF LA 132, Richland, LA
Built 1962 Load: 14.5 t ADT: 1,260
LA0583
PoorOver: BEE BAYOU
.1 MI SOUTH OF US 80, Richland, LA
Built 1954 Load: 14.5 t ADT: 1,108
Stein Rd
PoorOver: YELLOW WATER RIVER
0.8 MI N OF LA 1040, Tangipahoa, LA
Built 1960 Load: 14.5 t ADT: 4
Old Genessee Rd
PoorOver: CREEK
3 MI SE OF LA RT 442, Tangipahoa, LA
Built 1960 Load: 14.5 t ADT: 406
V. Lambert Rd
PoorOver: CREEK
3 MI NE OF JCT 1061, Tangipahoa, LA
Built 1975 Load: 14.5 t ADT: 97
LA0082
PoorOver: CREEK
1.97 MI N. OF LA 14, Vermilion, LA
Built 1960 Load: 14.5 t ADT: 2,899
LA0463
PoorOver: TEN MILE CREEK
10.99 MI NORTH OF LA 10, Vernon, LA
Built 1944 Load: 14.5 t ADT: 482
Hudson St
PoorOver: COBURN CREEK
.1 MI. N OF HWY. 10, Washington, LA
Built 1970 Load: 14.5 t ADT: 703
LA0161
PoorOver: LITTLE CORNEY BAYOU
3.82 MI EAST OF LA 2 ALT, Claiborne, LA
Built 1980 Load: 14.6 t ADT: 836
LA0073
PoorOver: BAYOU MANCHAC
0.68 MI N OF LA 427, East Baton Rouge, LA
Built 1931 Load: 14.6 t ADT: 9,615
LA0963
PoorOver: LITTLE REDWOOD CR
0.07 M W of LA 963, East Feliciana, LA
Built 1958 Load: 14.6 t ADT: 905
VIDRINE RD.
PoorOver: BAYOU
0.5 MI N of US 165, Jefferson Davis, LA
Built 1970 Load: 14.6 t ADT: 60
Shady Grove Rd
PoorOver: MIDDLE CREEK
1.25 MI. EAST OF LA 117, Natchitoches, LA
Built 1983 Load: 14.6 t ADT: 92
Brandon Cotton Rd
PoorOver: TERRE BLANC BAYOU
0.73 M. W. OF LA 485, Natchitoches, LA
Built 1981 Load: 14.6 t ADT: 92
LA0037
PoorOver: CREEK
0.2 M SW OF LA 10, St. Helena, LA
Built 1960 Load: 14.6 t ADT: 2,894
I0010
PoorOver: RAMP B. OFF RAMP
5.66 MI W of LA 975, St. Martin, LA
Built 1971 Load: 14.6 t ADT: 970
LA0182
PoorOver: BAYOU TERREBONNE
0.1 MI EAST OF LA 24 WEST, Terrebonne, LA
Built 1954 Load: 14.6 t ADT: 3,687
LA0182
PoorOver: BAYOU TERREBONNE
.1 MI EAST OF LA 24 WEST, Terrebonne, LA
Built 1968 Load: 14.6 t ADT: 9,001
LA0159
PoorOver: CYPRESS CREEK
3.6 MI NORTH OF LA 615, Webster, LA
Built 1966 Load: 14.6 t ADT: 866
Charlie Arceneaux
PoorOver: Wikoff Bayou
1.54 MI EAST OF LA 35, Acadia, LA
Built 2011 Load: 14.7 t ADT: 48
E. Lewiston Rd
PoorOver: WILSON BRANCH
3.7 MI NE OF JCT 38, Tangipahoa, LA
Built 1970 Load: 14.7 t ADT: 55
Penton road
PoorOver: MILE BR.
0.3 MI. N. OF HWY. 4, Washington, LA
Built 1970 Load: 14.7 t ADT: 3,200
LA0126
PoorOver: LITTLE KIESCHE CREEK
2.62 MI. EAST OF US 167, Winn, LA
Built 1974 Load: 14.7 t ADT: 687
Bobby Gaspard Xing
PoorOver: BAYOU DES GLAISES
0.01 MI. EAST OF LA 451, Avoyelles, LA
Built 1987 Load: 14.8 t ADT: 100
Milton Rd
PoorOver: BEAVER BRANCH
3.7 MI NW OF EXIT 44, Livingston, LA
Built 1975 Load: 14.8 t ADT: 300
RUFFIN DR
PoorOver: PINE BAYOU
0.4 Mi. EAST of US 165, Ouachita, LA
Built 1972 Load: 14.8 t ADT: 300
SOUTH ST
PoorOver: COULEE
0.004 MI W OF DEADWOOD RD, Terrebonne, LA
Built 1960 Load: 14.8 t ADT: 135
Showing 11,801-11,850 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.