Lafourche County, LA

130 public highway bridges

Lafourche County Bridge Snapshot

Lafourche County, Louisiana contains 130 public highway bridges in the FHWA National Bridge Inventory. Roughly 34.6% are rated “Good,” 42.3% “Fair,” 16.2% “Poor,” and 16.2% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in LA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

130
Total Bridges
34.6%
Good
16.2%
Poor
16.2%
Structurally Deficient

Condition Distribution

Good
34.6% (45)
Fair
42.3% (55)
Poor
16.2% (21)
SD
16.2% (21)

All Bridges (130)

LA0308

Unknown

Over: LA657-ICWW-STR@LAROSE

.5 MI NORTH OF LA 1, Lafourche, LA

ADT: 250

US0090

Unknown

Over: US 90 OVER LA 316

US 90 OVER LA 316, Lafourche, LA

ADT: 9,600

US0090

Unknown

Over: US 90 OVER LA 316

US 90 OVER LA 316, Lafourche, LA

ADT: 9,600

US0090

Unknown

Over: LA 182 / Drainage Canal

US 90 EB OVER LA 182, Lafourche, LA

ADT: 6,400

US0090

Unknown

Over: LA 182 / Drainage Canal

US 90 WB OVER LA 182, Lafourche, LA

ADT: 6,400

US0090

Unknown

Over: LA1, B.LAFOURCHE, LA 308

4.5 MI EAST OF LA 182, Lafourche, LA

ADT: 9,700

US0090

Unknown

Over: LA308, B.LAFOURCHE, LA1

10.5 MI WEST OF LA 632, Lafourche, LA

ADT: 9,700

LA0653

Unknown

Over: LA 653 OVER US 90

LA 653 OVER US 90, Lafourche, LA

ADT: 28,600

LA0652

Unknown

Over: US 90

LA 652 OVER US 90, Lafourche, LA

ADT: 28,600

St. Charles Bypass

Fair

Over: GRAND COTEAU BAYOU

0148 LOG MI FROM INT, Lafourche, LA

Built 1970 Load: 5.2 t ADT: 1,193

GALLIANO BRIDGE RD

Fair

Over: LAFOURCHE BAYOU

0.01 MI W. OF LA 308, Lafourche, LA

Built 1956 Load: 12.0 t ADT: 1,338

LA0020

Fair

Over: 40 ARPENT CANAL

3.2 MI NORTH OF LA 308, Lafourche, LA

Built 1968 Load: 13.0 t ADT: 20,091

OLD LA182 XOVER

Fair

Over: LAFOURCHE BAYOU

0.01 MI N. OF LA 1, Lafourche, LA

Built 1968 Load: 15.9 t ADT: 4,400

CANAL BLVD

Fair

Over: LAFOURCHE BAYOU

1 0003 LOG MI FROM I, Lafourche, LA

Built 1966 Load: 16.2 t ADT: 8,737

CANAL BLVD

Fair

Over: LAFOURCHE BAYOU

0003 LOG MI FROM INT, Lafourche, LA

Built 1966 Load: 16.2 t ADT: 8,110

LA3185

Fair

Over: DRAIN CANAL

2.3 MI WEST OF LA 3107, Lafourche, LA

Built 1969 Load: 16.5 t ADT: 12,957

LA0316

Fair

Over: ICWW / BAYOU BLUE

2.3 MI NORTH OF LA 24, Lafourche, LA

Built 1972 Load: 17.0 t ADT: 2,407

LA0020

Fair

Over: DRAINAGE CANAL

5.2 MI NORTH OF LA 308, Lafourche, LA

Built 1968 Load: 17.2 t ADT: 20,091

W. 79TH ST

Fair

Over: LAFOURCHE BAYOU

0.01 MI E. OF LA 1, Lafourche, LA

Built 1956 Load: 17.2 t ADT: 3,633

LA0182

Fair

Over: HOLLYWOOD CANAL

.68 MI EAST OF LA 316, Lafourche, LA

Built 1957 Load: 17.5 t ADT: 7,322

LA3185

Fair

Over: DRAIN CANAL

1.7 MI WEST OF LA 3107, Lafourche, LA

Built 1969 Load: 17.5 t ADT: 12,957

LA3185

Fair

Over: DRAIN CANAL

2.0 MI WEST OF LA 3107, Lafourche, LA

Built 1969 Load: 17.5 t ADT: 12,957

LA3185

Fair

Over: DRAIN CANAL

1.0 MI WEST OF LA 3107, Lafourche, LA

Built 1969 Load: 17.8 t ADT: 12,957

Bayou Folse Rd

Fair

Over: COULEE

0083 LOG MI FROM INT, Lafourche, LA

Built 1965 Load: 19.1 t ADT: 212

E. 28TH ST

Fair

Over: BAYOU LAFOURCHE

0.01M EAST OF LA 1, Lafourche, LA

Built 1993 Load: 19.8 t ADT: 5,637

LA0182

Fair

Over: 40 ARPENT CANAL

.01 MI WEST OF LA 652, Lafourche, LA

Built 1952 Load: 20.0 t ADT: 7,322

BARRIOS STREET

Fair

Over: FORTY ARPENT CANAL

0.3 MI W. OF LA 1, Lafourche, LA

Built 1969 Load: 20.4 t ADT: 706

LA0308-S

Fair

Over: BAYOU LAFOURCHE

.01 MI EAST OF LA 1, Lafourche, LA

Built 1972 Load: 21.1 t ADT: 9,051

LA0001

Fair

Over: INTRACOASTAL CANL

.05 MI NORTH OF LA 24, Lafourche, LA

Built 1961 Load: 21.4 t ADT: 3,276

LA0020

Fair

Over: BAYOU LAFOURCHE

.01 MI WEST OF LA 308, Lafourche, LA

Built 1967 Load: 24.5 t ADT: 7,822

LA3235

Fair

Over: WETLANDS

S OF LEEVILLE TO JCT LA1, Lafourche, LA

Built 2012 Load: 25.6 t ADT: 3,305

LA0182

Fair

Over: BAYOU LAFOURCHE

.01 MI EAST OF LA 1, Lafourche, LA

Built 1936 Load: 27.2 t ADT: 5,783

E. MAIN ST

Fair

Over: YANKEE BAYOU

0.06 MI SE OF LA 308, Lafourche, LA

Built 1971 Load: 28.2 t ADT: 152

E. MAIN ST

Fair

Over: YANKEE BAYOU

0.06 MI S. OF LA 308, Lafourche, LA

Built 1971 Load: 28.2 t ADT: 152

Bowie Rd

Fair

Over: COULEE

0065 LOG MI FROM INT, Lafourche, LA

Built 1972 Load: 28.8 t ADT: 4,080

US0090

Fair

Over: DRAINAGE CANAL

2.17 MI EAST OF LA 316, Lafourche, LA

Built 1982 Load: 29.5 t ADT: 13,535

Bayou Blue Bypass

Fair

Over: HOLLYWOOD CANAL

0096 LOG MI FROM INT, Lafourche, LA

Built 1976 Load: 31.1 t ADT: 2,019

LA0652

Fair

Over: 40 ARPENT CANAL

0.3 MILES EAST OF LA 182, Lafourche, LA

Built 2009 Load: 32.4 t ADT: 1,867

LA0308

Fair

Over: DRAINAGE CANAL

4.8 MI N OF LA 657, Lafourche, LA

Built 2011 Load: 32.7 t ADT: 12,186

LA0307

Fair

Over: BAYOU BOEUF

9.2 MI NORTH OF LA 182, Lafourche, LA

Built 1976 Load: 32.7 t ADT: 2,271

US0090

Fair

Over: BAYOU FOLSE & CANAL

2.2 MI EAST OF LA 182, Lafourche, LA

Built 1976 Load: 33.6 t ADT: 14,769

US0090

Fair

Over: BAYOU FOLSE & CANAL

2.2 MI EAST OF LA 182, Lafourche, LA

Built 1976 Load: 33.6 t ADT: 13,535

LA3220

Fair

Over: BAYOU LAFOURCHE

.01 MI EAST OF LA 1, Lafourche, LA

Built 1986 Load: 33.6 t ADT: 3,859

Audubon Ave

Fair

Over: LAFOURCHE BAYOU

00.01 LOG MI. FROM LA 308, Lafourche, LA

Built 1986 Load: 35.6 t ADT: 7,219

LA0024

Fair

Over: ST. LOUIS BAYOU

10.6 MI WEST OF LA 1, Lafourche, LA

Built 1975 Load: 37.2 t ADT: 5,271

LA0307

Fair

Over: BAYOU ROND POMPON

14.5 MI NORTH OF LA 182, Lafourche, LA

Built 1976 Load: 39.0 t ADT: 2,271

LA0304

Fair

Over: BAYOU L'ONION

5.72 MI NORTH OF LA 308, Lafourche, LA

Built 1980 Load: 39.9 t ADT: 1,518

LA0648

Fair

Over: BAYOU LAFOURCHE

0.01 M WEST OF LA 308, Lafourche, LA

Built 1991 Load: 39.9 t ADT: 9,183

LA0024

Fair

Over: BAYOU BLUE

2.2 MI WEST OF LA 1, Lafourche, LA

Built 1979 Load: 42.6 t ADT: 5,271

US0090

Fair

Over: MC MAHON CANAL

.7 MI EAST OF LA 182, Lafourche, LA

Built 1976 Load: 42.6 t ADT: 14,769

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial