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)

US0090

Fair

Over: MC MAHON CANAL

.7 MI EAST OF LA 182, Lafourche, LA

Built 1976 Load: 42.6 t ADT: 13,535

US0090

Fair

Over: B.CUTOFF

1.4 MI WEST OF LA 1, Lafourche, LA

Built 1976 Load: 42.6 t ADT: 14,769

US0090

Fair

Over: B.CUTOFF

1.4 MI WEST OF LA 1, Lafourche, LA

Built 1976 Load: 42.6 t ADT: 13,535

US0090

Fair

Over: DRAINAGE CANAL

2.7 MI EAST OF LA 1, Lafourche, LA

Built 1976 Load: 42.6 t ADT: 27,665

LA0308

Fair

Over: COMPANY CANAL

.5 MI SOUTH OF LA 655, Lafourche, LA

Built 1974 Load: 43.5 t ADT: 12,187

US0090

Fair

Over: DRAINAGE CANAL

.85 MI EAST OF LA 316, Lafourche, LA

Built 1982 Load: 43.5 t ADT: 14,769

US0090

Fair

Over: DRAINAGE CANAL

.85 MI EAST OF LA 316, Lafourche, LA

Built 1982 Load: 43.5 t ADT: 13,535

US0090

Fair

Over: DRAINAGE CANAL

2.17 MI EAST OF LA 316, Lafourche, LA

Built 1982 Load: 43.5 t ADT: 14,769

US0090

Fair

Over: CUTOFF BAYOU

1.4 MI WEST OF LA 1, Lafourche, LA

Built 1984 Load: 43.5 t ADT: 189

LA0653

Fair

Over: DRAINAGE CANAL

4.25 MI EAST OF LA 182, Lafourche, LA

Built 2000 Load: 44.5 t ADT: 124

LA0308

Fair

Over: L VALLEY CANAL

0.4M EAST OF LA 648, Lafourche, LA

Built 1992 Load: 57.2 t ADT: 5,050

LEBOUEF LN

Fair

Over: BAYOU POINTE AU CHENE

2.65 MI FROM LA 55, Lafourche, LA

Built 1987 Load: 63.5 t ADT: 66

EMILY ST

Fair

Over: BAYOU POINT AU CHENE

2.55 MI FROM LA 55, Lafourche, LA

Built 1987 Load: 73.2 t ADT: 92

LA3235

Fair

Over: DRAIN CANAL

2.8 MILES NORTH OF BAYOU, Lafourche, LA

Built 1985 Load: 74.5 t ADT: 6,255

LA0001

Good

Over: MARSH

LA 1 1.5 MILES NORTH OF B, Lafourche, LA

Built 2009 Load: 20.7 t ADT: 3,305

OAKPOINT RD

Good

Over: BAYOU POINTE AU CHENE

0.01 M WEST OF LA 665, Lafourche, LA

Built 1989 Load: 21.7 t ADT: 497

Choctaw Rd

Good

Over: ST JAMES CANAL

04.69 MI FROM INT. 191, Lafourche, LA

Built 1997 Load: 22.0 t ADT: 961

LA0001

Good

Over: BAYOU LAFOURCHE

LA 1 OVER BAYOU LAFOURCHE, Lafourche, LA

Built 2009 Load: 22.7 t ADT: 3,305

AIRPORT RD

Good

Over: CANAL

1.18 MI E. JSC. LA308, Lafourche, LA

Built 1983 Load: 22.7 t ADT: 788

LA0020

Good

Over: DRAINAGE CANAL

4.24 MI NORTH OF LA 308, Lafourche, LA

Built 1968 Load: 24.5 t ADT: 20,091

LA0657

Good

Over: BAYOU LAFOURCHE

LA 657 BETWEEN LA 1 AND L, Lafourche, LA

Built 2013 Load: 24.6 t ADT: 443

LA0020

Good

Over: GRAND BAYOU

07.62 MILES NORTH OF LA 3, Lafourche, LA

Built 2012 Load: 25.3 t ADT: 8,298

HWY 645 Local

Good

Over: BAYOU BOUDREAUX

2.3M NW OF LA 1, Lafourche, LA

Built 1993 Load: 25.3 t ADT: 198

LA0654

Good

Over: BAYOU LAFOURCHE

.01 MI EAST OF LA 1, Lafourche, LA

Built 2003 Load: 26.6 t ADT: 1,791

Laural Valley Rd

Good

Over: CANAL

3.4M NE OF LA 308, Lafourche, LA

Built 1993 Load: 27.9 t ADT: 1,401

ST JOHN BRIDGE

Good

Over: BAYOU LAFOURCHE

0.01 MI S. OF LA 308, Lafourche, LA

Built 2006 Load: 31.4 t ADT: 2,824

Choctaw Rd

Good

Over: LEGENDRE CANAL

0.85 M WEST OF LA 20, Lafourche, LA

Built 1991 Load: 31.4 t ADT: 1,206

LA0182

Good

Over: DRAIN CANAL

.7 MILES EAST OF LA 308, Lafourche, LA

Built 2011 Load: 35.0 t ADT: 5,783

BURMA RD

Good

Over: HOLLYWOOD CANAL

1.0 MI. SOUTH OF LA 1, Lafourche, LA

Built 2012 Load: 35.3 t ADT: 1,643

Laurel Valley Rd

Good

Over: DRAIN CANAL

0.8 Mi. W. of Choctaw Rd, Lafourche, LA

Built 2001 Load: 35.3 t ADT: 1,406

LA0024

Good

Over: PIPELINE CROSSING

2.1 MI WEST OF LA 1, Lafourche, LA

Built 1979 Load: 35.4 t ADT: 5,271

LA0649

Good

Over: BAYOU LAFOURCHE

.01 MI NORTH OF LA 1, Lafourche, LA

Built 1996 Load: 36.3 t ADT: 1,991

Lydia St

Good

Over: HOLLYWOOD CANAL

0.48 M FROM INT 250, Lafourche, LA

Built 1991 Load: 36.6 t ADT: 131

T-BOIS BRIDGE RD

Good

Over: BAYOU LAFOURCHE

0.01 N. of LA 1, Lafourche, LA

Built 2007 Load: 36.6 t ADT: 1,928

US0090

Good

Over: ON RAMP FROM LA1

.08 MI EAST OF LA 1, Lafourche, LA

Built 1976 Load: 38.1 t ADT: 12,192

US0090

Good

Over: OFF RAMP TO LA1

.08 MI EAST OF LA 1, Lafourche, LA

Built 1976 Load: 38.1 t ADT: 12,192

US0090

Good

Over: ON RAMP H

.4 MI EAST OF LA 182, Lafourche, LA

Built 1980 Load: 39.0 t ADT: 12,192

ALARIO BRIDGE RD

Good

Over: DRAIN CANAL

0.3 MILE SW OF LA 3235, Lafourche, LA

Built 2011 Load: 39.9 t ADT: 530

LA3185

Good

Over: BAYOU LAFOURCHE

0.01M WEST OF LA 308, Lafourche, LA

Built 1991 Load: 39.9 t ADT: 12,957

LA0182

Good

Over: MCMAHON CANAL

.7 MI EAST OF US 90, Lafourche, LA

Built 1981 Load: 40.8 t ADT: 7,322

LA0182

Good

Over: BAYOU FOLSE

.01 MI EAST OF LA 653, Lafourche, LA

Built 1981 Load: 40.8 t ADT: 7,322

US0090

Good

Over: FOLSE BAYOU

2.2 MI EAST OF LA 182, Lafourche, LA

Built 1984 Load: 40.8 t ADT: 189

US0090

Good

Over: ON RAMP FROM LA308

.4 MI EAST OF LA 1, Lafourche, LA

Built 1976 Load: 40.8 t ADT: 26,058

US0090

Good

Over: OFF RAMP TO LA308

.4 MI EAST OF LA 1, Lafourche, LA

Built 1976 Load: 40.8 t ADT: 12,192

US0090

Good

Over: OFF RAMP I

.2 MI EAST OF LA 182, Lafourche, LA

Built 1980 Load: 41.7 t ADT: 12,192

CHOCTAW RD

Good

Over: LEPINE CANAL

P2929510904391, Lafourche, LA

Built 2002 Load: 41.8 t ADT: 1,435

LA0308

Good

Over: THERIOT CANAL

2.6 M N OF LA 3198, Lafourche, LA

Built 1991 Load: 42.6 t ADT: 5,050

US0090

Good

Over: DRAINAGE CANAL

2.7 MI EAST OF LA 1, Lafourche, LA

Built 1976 Load: 42.6 t ADT: 27,665

Tiger Dr

Good

Over: BAYOU LAFOURCHE

0.1 MI. E. OF LA 1, Lafourche, LA

Built 2015 Load: 43.1 t ADT: 6,806

LA0001

Good

Over: THERIOT CANAL

3.3M N OF LA 3198, Lafourche, LA

Built 1991 Load: 43.5 t ADT: 8,897

Related

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