Assumption County, LA

68 public highway bridges

Assumption County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Assumption County, Louisiana contains 68 public highway bridges. Roughly 44.1% are rated “Good,” 38.2% “Fair,” and 8.8% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

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

68
Total Bridges
44.1%
Good
38.2%
Fair
8.8%
Poor Condition

Condition Distribution

Good
44.1% (30)
Fair
38.2% (26)
Poor
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
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.