Assumption County, LA

68 public highway bridges

Assumption County Bridge Snapshot

Assumption County, Louisiana contains 68 public highway bridges in the FHWA National Bridge Inventory. Roughly 44.1% are rated “Good,” 38.2% “Fair,” 8.8% “Poor,” and 8.8% 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.

68
Total Bridges
44.1%
Good
8.8%
Poor
8.8%
Structurally Deficient

Condition Distribution

Good
44.1% (30)
Fair
38.2% (26)
Poor
8.8% (6)
SD
8.8% (6)

All Bridges (68)

LA0182

Unknown

Over: BAYOU BEOUF

US0090, Assumption, LA

ADT: 2,050

LA0070

Unknown

Over: DRAIN

2.6 M SW of LA 70&LA 3127, Assumption, LA

ADT: 52,500

US0090

Unknown

Over: WEST BOUND RAMP (OFF)

1.0 M W of US 90&LA 662, Assumption, LA

ADT: 12,650

US0090

Unknown

Over: EAST BOUND OFF RAMP

0.2 M E of US 90&LA 662, Assumption, LA

ADT: 4,100

US0090

Unknown

Over: LA 662, Aligator Bayou

0.8 Mi. E. of Duhon Blvd, Assumption, LA

ADT: 2,050

US0090

Unknown

Over: BAYOU BOEUF BR EXTENSION

JCT of US 90 & LA 662, Assumption, LA

ADT: 2,050

US0090

Fair

Over: BAYOU BOEUF

ASSUMPTION PH LN US 90, Assumption, LA

Built 1998 Load: 17.8 t ADT: 10,035

Bayou Dr W

Fair

Over: BAYOU PIERRE PASS

PIERRE PART, Assumption, LA

Built 1988 Load: 19.4 t ADT: 2,520

LA0001

Fair

Over: CONCIENNE CANAL

LA0001, Assumption, LA

Built 1952 Load: 21.7 t ADT: 6,998

LA1010

Fair

Over: BAYOU LAFOURCHE

LA1010, Assumption, LA

Built 1954 Load: 21.8 t ADT: 143

LA0998

Fair

Over: BAYOU LAFOURCHE

LA0998, Assumption, LA

Built 1972 Load: 22.4 t ADT: 877

LA0070

Fair

Over: DRAIN

3.3 M NE of LA 1&LA 70, Assumption, LA

Built 1977 Load: 25.6 t ADT: 11,166

Bayou Dr

Fair

Over: LITTLE BAY

1.7 MI. N. OF PIERRE PART, Assumption, LA

Built 1984 Load: 26.9 t ADT: 1,056

LA1008

Fair

Over: BAYOU LAFOURCHE

LA1008, Assumption, LA

Built 1952 Load: 28.1 t ADT: 3,279

LA0402

Fair

Over: BAYOU LAFOURCHE @ MUNSON

LA0402, Assumption, LA

Built 1976 Load: 28.5 t ADT: 551

LA0070

Fair

Over: Avoca Island Cutoff

5.7 MI N LA 1016-1, Assumption, LA

Built 1988 Load: 32.7 t ADT: 6,787

LA1011

Fair

Over: B. LAFOURCHE (SUPREME)

0.04 M SW of LA 1&LA 1011, Assumption, LA

Built 1975 Load: 35.4 t ADT: 382

LA1247

Fair

Over: BAYOU LAFOURCHE

LA0398, Assumption, LA

Built 1953 Load: 35.4 t ADT: 1,038

LA0308

Fair

Over: BAYOU VALANCE

0.20 MI N JCT LA 1011, Assumption, LA

Built 1982 Load: 37.2 t ADT: 4,729

LA0403

Fair

Over: BAYOU LAFOURCHE

0.01 Mi E of LA 1, Assumption, LA

Built 1972 Load: 37.2 t ADT: 347

LA0402

Fair

Over: BAYOU ST;VINCENT.

2.8 M SE of LA 1&LA 70, Assumption, LA

Built 1980 Load: 37.2 t ADT: 174

Bridge St

Fair

Over: BAYOU LAFOURCHE

PLATTENVILLE, Assumption, LA

Built 1984 Load: 38.1 t ADT: 480

LA0070

Fair

Over: GRAND BAYOU

LA0070, Assumption, LA

Built 1958 Load: 39.0 t ADT: 5,760

LA0996

Fair

Over: BAYOU CREAUX

LA0966, Assumption, LA

Built 1973 Load: 39.0 t ADT: 524

LA0996

Fair

Over: BRUSLY ST.MARTIN C.

LA0996, Assumption, LA

Built 1973 Load: 39.0 t ADT: 524

LA0070

Fair

Over: DRAIN

2.0 M NE of LA 1&LA 70, Assumption, LA

Built 1973 Load: 40.8 t ADT: 3,881

LA0070

Fair

Over: DRAIN

2.0 M NE of LA 1&LA 70, Assumption, LA

Built 1972 Load: 40.8 t ADT: 6,289

LA0070

Fair

Over: BAYOU LAFOURCHE

0.06 M E of LA 1&LA 70, Assumption, LA

Built 1977 Load: 42.6 t ADT: 3,881

LA0070

Fair

Over: BAYOU NAPOLEON

0.8 M SW of LA 3127, Assumption, LA

Built 1972 Load: 43.5 t ADT: 11,166

LA0398

Fair

Over: BAYOU MORGAN CITY

LA0398, Assumption, LA

Built 1969 Load: 43.5 t ADT: 2,115

LA0398

Fair

Over: BAYOU L OURSE

LA0398, Assumption, LA

Built 1969 Load: 43.5 t ADT: 2,115

LA0070-S

Fair

Over: BAYOU LAFOURCHE

0.04 M N of LA 1&LA 70-S, Assumption, LA

Built 1977 Load: 46.3 t ADT: 8,101

LA0070

Good

Over: BELLE RIVER

0.01 Mi. S. of LA 1016-2, Assumption, LA

Built 2009 Load: 14.6 t ADT: 8,005

LA0070

Good

Over: BAYOU CHOUPIQUE

0.4 M E of LA 69&LA 70, Assumption, LA

Built 1958 Load: 18.8 t ADT: 5,760

LA1016-1

Good

Over: BAYOU VERRET

2 Mi E of LA 70, Assumption, LA

Built 2010 Load: 22.0 t ADT: 192

LA0070

Good

Over: BAYOU CORNE

LA0070, Assumption, LA

Built 1960 Load: 22.7 t ADT: 6,842

LA0070

Good

Over: BAYOU VALERIE

2.5 M W of LA 69&LA 70, Assumption, LA

Built 1960 Load: 22.7 t ADT: 6,842

Lee Dr

Good

Over: BAYOU PIERRE PART

1.1 MILES S/W OF LA 70, Assumption, LA

Built 2007 Load: 23.3 t ADT: 672

US0090

Good

Over: WESTBOUND ON RAMP

0.1 M E of US 90&LA 662, Assumption, LA

Built 1998 Load: 25.3 t ADT: 12,192

Aristile Rd

Good

Over: BAYOU LAROUSE

ARISTILE RD 0.5 MI E. OF, Assumption, LA

Built 2012 Load: 25.4 t ADT: 1,720

US0090

Good

Over: ONGOING RAMP B.E.

6 Mi E of LA 182/90, Assumption, LA

Built 1999 Load: 28.8 t ADT: 12,192

US0090

Good

Over: GROUND

1.0 M W of US 90&LA 662, Assumption, LA

Built 1998 Load: 29.2 t ADT: 12,192

US0090

Good

Over: OFFGOING RAMP A.E.

2.56 Mi W of La 662 Exit, Assumption, LA

Built 1999 Load: 29.8 t ADT: 12,192

LA0070

Good

Over: DRAIN

2.7 M NE of LA 1&LA 70, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

LA0070

Good

Over: DRAIN

2.7 M NE of LA 1&LA 70, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

LA0070

Good

Over: DRAIN

3.1 M NE of LA 1&LA 70, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

LA0070

Good

Over: SEATRA CANAL

3.3 M SW of LA 70&LA 3127, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

LA0070

Good

Over: DRAIN

3.26 MI. NE OF LA 70 SPUR, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

LA0070

Good

Over: DRAIN

0.8 M SW of LA 70&LA 3127, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

LA0070-S

Good

Over: DRAIN

0.3 M SW of LA 70&LA 3127, Assumption, LA

Built 1977 Load: 32.4 t ADT: 11,166

Related

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